World’s Largest Selection of Specialty Magnet Wire
Company Profile Responsive Solutions For over 35 years MWS Wire Industries has operated under the simple premise that total customer satisfaction is the key to our long-term success and growth. Our primary objective is to exceed our customers’ expectations of product quality and service. Whether it’s same-day delivery from our inventory of 50,000 unique wire items or producing a wire to meet a customer’s just-in-time production schedule, our highly trained staff of wire professionals is committed to meeting the needs of wire users worldwide on time, every time. From new product development – where we build special wires to improve the overall performance of electronic components – to R&D production of wire for new and innovative applications, MWS has the resources to give you a competitive edge.
MWS Wire Industries, with headquarters in Westlake Village, California, USA, houses more than 50,000 specialty wires along with wire production facilities for drawing, shaping, serving, twisting, and insulating of wire for high-technology users worldwide. The company was founded in 1968.
Table of Contents Magnet Wire Magnet Wire Insulation Guide............................................................................................................................................................2 Copper Magnet Wire, 6 through 55 AWG ..........................................................................................................................................4 Half-Size Copper Magnet Wire ..........................................................................................................................................................6 Square Magnet Wire ..........................................................................................................................................................................7 Bondable Magnet Wire ......................................................................................................................................................................8 Multifilar速 Magnet Wire ..................................................................................................................................................................10 TwistiteTM Magnet Wire ....................................................................................................................................................................12 MicrosquareTM Magnet Wire ............................................................................................................................................................14 Litz Wire......................................................................................................................................................................................................16 Laboratory Services....................................................................................................................................................................................20 Manufacturing ............................................................................................................................................................................................21 Resistance Wire ..........................................................................................................................................................................................22 Plated Wire and Ribbon ..............................................................................................................................................................................24 Specialty Metals and Alloys ........................................................................................................................................................................25 Copper and Copper Alloys ..........................................................................................................................................................................26 EC Aluminum Wire ....................................................................................................................................................................................27 Properties of Aluminum Alloys ..................................................................................................................................................................27 Mechanical Alloys ......................................................................................................................................................................................28 Copper Clad Aluminum and other clad Metals............................................................................................................................................29 Spool Specifications ..................................................................................................................................................................................30 Gauge to MM Conversion Chart..................................................................................................................................................................31 MWS Wire Industries Accreditations ..........................................................................................................................................................32
1
Magnet Wire Insulation Guide THERMAL CLASS 105°C
155°C
180°C
200°C
MWS PRODUCT CODE
NEMA STANDARD (MW 1000)
FEDERAL SPECIFICATION (JW 1177)
IEC STANDARD (60317)
Plain Enamel
PE
NONE
NONE
NONE
Formvar
F
MW 15 (RD) MW 18 (SQ & RECT)
JW 1177/4 (RD) JW 1177/16 (SQ & RECT)
317-1 (RD) 317-17 (SQ & RECT)
Polyurethane Bondable
PB
MW 3
JW 1177/44
317-2
Formvar Bondable
FB
MW 19
JW 1177/6
317-5
Polyurethane Nylon Bondable
PNB
MW 29
JW 1177/30
317-9
Polyurethane-155*
P155
MW 79
JW 1177/41
317-20
Polyurethane Nylon-155*
PN155
MW 80
JW 1177/42
317-21
Polyurethane-180*
P180
MW 82
NONE
317-51
Polyurethane Nylon-180*
PN180
MW 83
NONE
NONE
Polyester-imide
PT
MW 30
JW 1177/12
317-8
Polyester Nylon*
PTN
MW 76
JW 1177/38
317-22
Solderable Polyester*
SPT
MW 77
JW 1177/39
317-23
Solderable Polyester-Nylon*
SPTN
MW 78
JW 1177/40
NONE
Polyester-imide Bondable*
PTB
NONE
NONE
317-37
Polyester-amide-imide Bondable*
APTB
NONE
NONE
NONE
Solderable Polyester Bondable*
SPTB
NONE
NONE
NONE
Glass Fibers
GLASS
MW 44 (RD) MW 43 (SQ & RECT)
JW 1177/21 (RD)
317-50 (RD) 317-33 (SQ & RECT)
Dacron Glass
DGLAS
MW 45 (RD) MW 46 (SQ & RECT)
JW 1177/20 (RD) JW 1177/25 (SQ & RECT)
NONE
Polyester-200*
PT200
MW 74
JW 1177/43
317-42
APT
MW 35 (RD) MW 36 (SQ & RECT)
JW 1177/14 (RD) JW 1177/13 (SQ & RECT)
Polyester A/I Polyamideimide
APTIG
MW 35 (RD) MW 73 (SQ & RECT)
NONE
317-13
Polytetrafluoroethylene (Teflon**)
TEFLON
NONE
NONE
NONE
ML
MW 16 (RD) MW 20 (SQ & RECT)
JW 1177/15 (RD) JW 1177/18 (SQ & RECT)
317-46 (RD) 317-47 (SQ & RECT)
INSULATION TYPE
Polyester A/I Topcoat*
240°C
Polyimide-ML*
317-13 (RD) 317-29 (SQ & RECT)
* UL Recognized Insulations ** Registered trademark of E. I. duPont de Nemours and Company
2
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Magnet Wire Insulation Guide INSULATION CHARACTERISTICS
GENERAL APPLICATIONS
Plain Enamel, known as oleoresinous enamel, was one of the first film insulations developed more than 75 years ago and is still in use today in a variety of electronic components. Plain Enamel wires are manufactured to single-build dimensional standards. Available in 40-44 AWG.
Relays and coils. Avoid using in presence of synthetic solvents.
Formvar Enamel is made from vinyl acetal resins produced as a smooth uniform film. Formvar has excellent mechanical properties such as abrasion resistance and flexibility. The film will withstand excessive elongation without rupture. When stressed during winding, Formvar has a tendency to craze upon contact with solvents such as toluol, naphtha, xylol, etc. Therefore, it should be given an annealing preheat prior to varnish application. Formvar can be removed mechanically or chemically during terminal preparation.
Motors, random wound coils, oil filled and dry transformers, armature and generator winding where “tough” film may be required.
Bondable magnet wire is insulated copper wire with a superimposed film of thermoplastic bonding material. The heat or solvent sensitivity of this material makes possible the winding of coils of unusual shapes since the wire may be bonded turn-to-turn. To obtain specific dimensional data on Bondable wires, see pages 8 and 9.
Self-supporting coils, voice coils, encapsulated coils, relays, yoke coils.
Polyurethane-155 is a 155˚C thermal class solder strippable insulation produced primarily 30 AWG and finer with quick soldering characteristics at 390˚C.
Motors, R.F. coils, relays, encapsulated coils, ignition coils, solenoids, low voltage transformers, layer and precision wound coils.
Polyurethane Nylon-155 is similar to the 155˚C Polyurethane with an additional Nylon overcoat to improve the abrasion resistance and heat shock characteristics for coil and motor windings. Produced 10 AWG to 55 AWG, soldering temperatures are 430˚C for 10-23 AWG, and 390˚C for 24-55 AWG.
Appliance motors, relays, timer and clock coils, encapsulated coils, solenoids, toroid coils,random wound coils.
Polyurethane-180 combines the thermal properties of a class 180°C insulation, while offering low temperature solderability at 390°C (24 AWG and finer).
Automotive relays, ignition coils, transformers and solenoids.
Polyurethane Nylon-180 offers excellent abrasion resistance for ferrite core coils and transformers, while exhibiting high temperature thermal stress and low temperature solderability at 430°C (14-23 AWG ) and 390°C (24 AWG and finer).
Relays, pulse transformers, toroid coils, small appliance motors.
Polyester-imide magnet wire is insulated with a Class H modified polyester resin. It has excellent thermal endurance, solvent resistance and exhibits a low coefficient of friction to improve windability. It requires mechanical or chemical stripping.
Appliance and tool motors, continuous operation coils, subfractional instrument and servo motors solenoids.
Polyester Nylon is a film insulation with a modified polyester basecoat and a nylon topcoat. Typical of a dual coat construction, advantage is taken of the high thermal properties of the polyester and the mechanical properties of the nylon.
Fractional and integral horsepower motors, coils and relays, control and dry transformers, encapsulated coils, D.C. field coils.
Solderable Polyester magnet wire is an ester-imide insulated wire which solders at 470°C. Since thermoplastic flow values equal or exceed 280°C, the insulation has shown excellent promise in transfer molding applications.
Special transformer coils, automotive coils, electronic coils.
Solderable Polyester-Nylon magnet wire is a two-part insulation system in which ester-imide basecoat is overcoated with nylon. This wire solders at 455°C. The construction may be considered a substitute for applications where ester-imide insulation wire is used, with the added features of improved solvent resistance and improved windability.
Shaded-pole motor coils, special control coils, automotive coils.
Self-bonding polyester actually describes a number of possible constructions of polyester base insulation with a thermoplastic bond coat. The bond coat may be epoxy, polyester or polyamide. Keep in mind for design purposes that the addition of the bond coat does add one overall build level to the wire dimension. To obtain specific dimensional data on bondable wires, visit the MWS Wire website at mwswire.com, or use the MWS CD-ROM.
Television yoke coils, clutch and brake coils, helical and toroidal coils.
Both glass and dacron glass are a served filament on the magnet wire conductor. They are available as unvarnished or varnished with organic or silicone varnishes. The fibers may be served over bare conductor or over film constructions. The glass is a continuous filament glass yarn and the dacron glass is a combination of glass and polyester fibers. The advantage of the glass is its high resistance to overload burnout and the advantage of the dacron glass is its abrasion resistance and better flexibility than glass. The dacron glass can be purchased fused and unvarnished.
Dry transformers, Class B motors.
Polyester-200 is a modified theic-polyesterimide one-part system. It has high temperature thermal properties and good chemical resistance. Normally produced in sizes 34-56 AWG.
Motors, small coils, transformers.
Polyester-amide-imide magnet wire is a two-part insulation consisting of a modified polyester basecoat with a superimposed amide-imide outer coating. This wire exhibits exceptional windability, heat shock resistance, and ability to withstand overloads. Chemical resistance to most solvents and insulating varnishes is extremely good. It is not softened by refrigerants and extractions are essentially zero.
Fractional and integral horsepower motors (hermetic and open), automotive and hand tool armatures, dry type transformers.
For inverter duty applications, this insulation is designed for use in motors that may be subjected to high voltage spikes. Available in sizes 14-30 AWG.
Rotating Machines, Fractional and Integral HP Motors, Hermetic Motors, DC Motors, Power Tools, Dry Transformers, Electronic coils.
Teflon** has high heat resistance and excellent resistance to most solvents, acids and corrosive chemicals and a high dielectric constant.
Miniature rotating components and windings where severe environments are encountered.
ML is a film insulation made of polyimide resins. It is a Class 240°C thermal rated insulation with exceptional resistance to chemical solvents and burnout. The outstanding thermoplastic flow of over 400°C and its ability to withstand excessive overloads extends the use of magnet wire in extreme conditions. ML is unaffected by prolonged exposure to varnish solvents and is compatible with virtually all systems.
Fractional and integral horsepower motors, high temperature continuous duty coils and relays, hermetic and sealed units, heavy-duty hand tool motors, encapsulated coils.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
3
Copper Magnet Wire Data BARE COPPER SIZE (AWG)
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
DIAMETER *
RESISTANCE**
(INCHES)
(OHMS PER 1000 FT. AT 20˚C)
MIN.
NOM.
MAX.
.1604 .1429 .1272 .1133 .1009 .0898 .0800 .0713 .0635 .0565 .0503 .0448 .0399 .0355 .0317 .0282 .0250 .0224 .0199 .0177 .0157 .0141 .0125 .0112 .0099 .0088 .0079 .0070 .0062 .0055 .0049 .0044 .0039 .0034 .0030 .0027 .0024 .0021 .0019 .00169 .00151 .00135 .00119 .00107 .00095 .00085 .00075 .00067 .00060 .00053
.1620 .1443 .1285 .1144 .1019 .0907 .0808 .0720 .0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040 .0035 .0031 .0028 .0025 .0022 .0020 .00176 .00157 .00140 .00124 .00111 .00099 .00088 .00078 .00070 .00062 .00055
.1636 .1457 .1298 .1155 .1029 .0916 .0816 .0727 .0647 .0577 .0513 .0458 .0407 .0363 .0323 .0288 .0256 .0228 .0203 .0181 .0161 .0143 .0127 .0114 .0101 .0090 .0081 .0072 .0064 .0057 .0051 .0046 .0041 .0036 .0032 .0029 .0026 .0023 .0021 .00183 .00164 .00146 .00129 .00116 .00103 .00092 .00081 .00073 .00065 .00057
MIN.
NOM.
MAX.
.3875 .4885 .6156 .7774 .9795 1.236 1.558 1.962 2.477 3.115 3.941 4.944 6.261 7.871 9.941 12.50 15.82 19.95 25.17 31.66 40.01 50.72 64.30 79.80 101.7 128.0 158.1 200.1 253.2 319.2 398.7 490.1 617.0 800.2 1013 1233 1534 1960 2352 3080 3870 4868 6205 7744 9734 12320 15690 19480 24820 31540
.3952 .4981 .6281 .7924 .9988 1.261 1.589 2.001 2.524 3.181 4.019 5.054 6.386 8.047 10.13 12.77 16.20 20.31 25.67 32.37 41.02 51.43 65.33 81.22 103.7 130.9 162.0 205.7 261.3 330.7 414.8 512.1 648.2 846.6 1079 1323 1659 2143 2593 3348 4207 5291 6745 8417 10580 13390 17050 21170 26980 34280
.4031 .5079 .6410 .8079 1.019 1.286 1.620 2.040 2.572 3.249 4.099 5.167 6.514 8.229 10.32 13.04 16.59 20.67 26.19 33.10 42.07 52.17 66.37 82.68 105.8 133.9 166.2 211.7 269.8 342.8 431.9 535.7 681.9 897.1 1152 1423 1801 2352 2873 3616 4544 5714 7285 9090 11430 14460 18410 22860 29140 37020
FEET PER POUND
POUNDS PER 1000 FT.
CIRCULAR MILS NOMINAL
12.59 15.87 20.01 25.24 31.82 40.2 50.6 63.7 80.4 101 128 161 203 256 323 407 516 647 818 1030 1310 1640 2080 2590 3300 4170 5160 6550 8320 10500 13200 16300 20600 27000 34400 42100 52900 68300 82600 106,500 134,400 169,200 213,400 269,700 339,700 428,400 540,000 681,200 859,100 1,083,000
79.44 63.03 49.98 39.62 31.43 24.9 19.8 15.7 12.4 9.87 7.81 6.21 4.92 3.90 3.10 2.46 1.94 1.55 1.22 .970 .765 .610 .481 .387 .303 .240 .194 .153 .120 .0949 .0757 .0613 .0484 .0371 .0291 .0237 .0189 .0147 .0121 .00939 .00744 .00591 .00469 .00371 .00294 .00233 .00185 .00147 .00116 .000923
26240 20820 16510 13090 10380 8226 6529 5184 4109 3260 2581 2052 1624 1289 1024 812.3 640.1 510.8 404.0 320.4 252.8 201.6 158.8 127.7 100.0 79.21 64.00 50.41 39.69 31.36 25.00 20.25 16.00 12.25 9.61 7.84 6.25 4.84 4.00 3.10 2.47 1.96 1.54 1.23 .98 .775 .608 .490 .384 .303
SIZE (AWG)
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
*Minimum and maximum dimensions are based on tolerances specified by ASTM Standard B3 **Values are based on a resistivity of 10.371 ohms per circular mil/ft at 20˚C. (100% IACS conductivity). Minimum resistance values are based on maximum bare diameter. Maximum resistance values are based on minimum bare diameter. 6 - 44 AWG magnet wire will be furnished to dimensional standard with resistance values as a guideline. 45 - 55 AWG magnet wire will be furnished to resistance with the dimensions as a guideline.
4
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Copper Magnet Wire Data SINGLE BUILD DIAMETER * (INCHES) MIN.
NOM.
MAX.
.1622 .1446 .1288 .1149 .1024 .0913 .0814 .0727 .0651 .0580 .0517 .0462 .0412 .0367 .0329 .0293 .0261 .0234 .0209 .0186 .0166 .0149 .0133 .0119 .0106 .0094 .0085 .0075 .0067 .0059 .0053 .0047 .0042 .0036 .0032 .0029 .0026 .0023 .0020 .00179 .00161 .00145 .00129 .00117 .00105 .00095 .00085 .00072 .00065 .00058
.1648 .1469 .1306 .1165 .1039 .0927 .0827 .0739 .0659 .0587 .0524 .0469 .0418 .0373 .0334 .0298 .0266 .0239 .0213 .0190 .0170 .0153 .0137 .0123 .0109 .0097 .0088 .0078 .0070 .0062 .0056 .0050 .0045 .0039 .0035 .0031 .0028 .0025 .0022 .00192 .00173 .00158 .00140 .00124 .00113 .00103 .00093 .00079 .00070 .00064
.1665 .1485 .1324 .1181 .1054 .0941 .0840 .0750 .0666 .0594 .0531 .0475 .0424 .0379 .0339 .0303 .0270 .0243 .0217 .0194 .0173 .0156 .0140 .0126 .0112 .0100 .0091 .0081 .0072 .0064 .0058 .0052 .0047 .0041 .0037 .0033 .0030 .0026 .0024 .00205 .00185 .00170 .00150 .00130 .00120 .00110 .00100 .00085 .00075 .00070
HEAVY BUILD FEET PER POUND
12.545 15.81 19.93 25.12 31.66 39.6 50.25 63.3 79.94 100.4 126.8 159.4 201.1 253.2 318.4 400.6 507.1 633.7 804.5 1010 1279 1600 2028 2513 3208 4052 4995 6337 8055 10250 12800 15750 20020 26240 33330 40800 50940 66140 80060 103,500 130,000 163,400 204,900 259,700 324,700 406,500 507,600 653,600 826,400 1,032,000
DIAMETER * (INCHES) MIN.
NOM.
MAX.
.1639 .1463 .1305 .1165 .1040 .0928 .0829 .0741 .0667 .0595 .0532 .0476 .0425 .0380 .0340 .0304 .0271 .0244 .0218 .0195 .0174 .0157 .0141 .0127 .0113 .0101 .0091 .0081 .0072 .0064 .0057 .0052 .0046 .0040 .0036 .0032 .0028 .0025 .0023 .00199 .00181 .00165 .00139 .00127 .00115 .00105 .00095 .00080 .00073 .00066
.1659 .1481 .1322 .1177 .1051 .0938 .0838 .0749 .0675 .0602 .0539 .0482 .0431 .0386 .0346 .0309 .0276 .0249 .0223 .0199 .0178 .0161 .0144 .0130 .0116 .0105 .0095 .0085 .0075 .0067 .0060 .0055 .0049 .0043 .0038 .0034 .0030 .0027 .0025 .00215 .00196 .00178 .00155 .00139 .00128 .00117 .00107 .00090 .00082 .00075
.1671 .1491 .1332 .1189 .1061 .0948 .0847 .0757 .0682 .0609 .0545 .0488 .0437 .0391 .0351 .0314 .0281 .0253 .0227 .0203 .0182 .0164 .0147 .0133 .0119 .0108 .0098 .0088 .0078 .0070 .0063 .0057 .0051 .0045 .0040 .0036 .0032 .0029 .0027 .00230 .00210 .00190 .00170 .00150 .00140 .00129 .00105 .00103 .00095 .00087
TRIPLE BUILD FEET PER POUND
12.5 15.75 19.85 25 31.5 39 49.9 62.9 79.18 99.7 125.6 157.7 199.2 250.6 314.5 395.3 502.5 625 790.5 992.1 1254 1571 1987 2463 3136 3948 4873 6161 7837 9891 12380 15290 19360 25270 31940 39340 49600 63170 76160 99110 123,800 154,600 196,900 247,500 307,700 383,100 476,200 621,100 775,200 961,500
DIAMETER * (INCHES) MIN.
NOM.
MAX.
.1651 .1475 .1317 .1177 .1052 .0940 .0840 .0752 .0683 .0610 .0546 .0489 .0438 .0392 .0352 .0315 .0282 .0254 .0228 .0204 .0183 .0165 .0148 .0134 .0120 .0108 .0097 .0086 .0077 .0068 .0061 .0056 .0049 .0043 .0039 .0034 .0030 .0027 .0025 .00219 .00201 .00185 .00159 .00147 .00125 .00115 .00105 .00087
.1679 .1492 .1333 .1191 .1064 .0952 .0851 .0762 .0692 .0619 .0554 .0497 .0445 .0399 .0358 .0321 .0288 .0259 .0233 .0209 .0188 .0169 .0152 .0138 .0124 .0110 .0101 .0090 .0080 .0071 .0064 .0059 .0052 .0046 .0041 .0036 .0032 .0029 .0027 .00237 .00218 .00198 .00175 .00159 .00143 .00133 .00123 .00104
.1688 .1508 .1348 .1205 .1076 .0963 .0861 .0771 .0700 .0627 .0562 .0504 .0452 .0406 .0364 .0326 .0293 .0264 .0238 .0214 .0193 .0173 .0156 .0142 .0128 .0114 .0103 .0092 .0082 .0074 .0067 .0060 .0054 .0048 .0043 .0039 .0035 .0032 .0029 .00255 .00235 .00210 .00190 .00170 .00160 .00150 .00140 .00121
QUADRUPLE BUILD FEET PER POUND
12.455 15.69 19.77 24.88 31.34 38.4 49.55 62.5 78.42 99 124.4 156 197.3 248 310.6 390 497.9 616.3 776.5 974.2 1299 1542 1946 2413 3064 3844 4751 5985 7619 9532 11960 14830 18700 24300 30550 37880 48260 60200 72260 94720 117,600 145,800 188,900 235,300 290,700 359,700 444,800 588,600
DIAMETER * (INCHES) MIN.
NOM.
MAX.
.1663 .1488 .1330 .1190 .1065 .0952 .0852 .0763 .0684 .0613 .0549 .0493 .0443 .0397 .0357 .0321 .0287 .0260 .0234 .0211 .0189 .0171 .0154 .0140 .0126 .0114 .0103 .0092 .0082 .0073 .0065 .0060 .0053 .0046 .0042 .0037 .0032 .0029 .0027 .00239 .00221 .00205 .00169 .00157 .00135 .00125 .00115 .00097
.1685 .1506 .1349 .1205 .1078 .0965 .0864 .0774 .0696 .0625 .0561 .0504 .0454 .0407 .0366 .0330 .0296 .0268 .0242 .0219 .0196 .0177 .0159 .0145 .0131 .0118 .0107 .0096 .0085 .0076 .0068 .0063 .0056 .0049 .0044 .0039 .0034 .0031 .0029 .00260 .00241 .00218 .00190 .00174 .00158 .00148 .00138 .00118
.1706 .1525 .1365 .1221 .1092 .0978 .0876 .0785 .0709 .0638 .0572 .0515 .0464 .0418 .0376 .0339 .0305 .0277 .0250 .0226 .0204 .0184 .0165 .0151 .0136 .0121 .0110 .0099 .0088 .0079 .0071 .0065 .0058 .0051 .0046 .0041 .0036 .0033 .0031 .00280 .00260 .00230 .00210 .00190 .00180 .00170 .00160 .00139
SIZE
FEET (AWG) PER POUND
12.41 15.63 19.69 24.76 31.18 38.34 49.2 62.1 77.66 98.3 123.2 154.3 195.4 245.4 306.7 384.7 493.3 607.6 762.5 956.3 1204 1513 1905 2363 2992 3740 4629 5809 7401 9173 11540 14370 18040 23330 29160 36420 46920 57230 68360 90330 111,400 137,000 180,900 223,100 273,700 336,300 413,400 556,100
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
*Diameters shown are per NEMA MW 1000-1997. For Diameters per NEMA MW 1000-2003 visit our website at www.mwswire.com
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
5
Half-Size Copper Magnet Wire BARE COPPER SIZE (AWG)
DIAMETER
RESISTANCE
FEET PER POUND
MIN.
(INCHES) NOM.
MAX.
41⁄2
.1912
.1931
.1950
.2727
.2781
.2837
51⁄2
.1703
.1720
.1737
.3437
.3506
.3576
11.17
61⁄2
.1517
.1532
.1547
.4334
.4419
.4507
14.08
71⁄2
.1350
.1364
.1378
.5462
.5574
.5682
81⁄2
.1203
.1215
.1227
.6889
.7025
91⁄2
.1071
.1082
.1093
.8697
.8859
101⁄2
.0952
.0962
.0972
1.10
1.12
111⁄2
.0847
.0856
.0865
1.38
121⁄2
.0755
.0763
.0771
131⁄2
.0672
.0679
141⁄2
.0599
151⁄2
(OHMS PER 1000 FT. AT 20˚C) NOM. MAX.
POUNDS PER 1000 FT.
SINGLE BUILD DIAMETER CIRCULAR MILS
HEAVY BUILD DIAMETER
(INCHES)
NOM.
MAX.
37290
.1949
.1968
.1986
89.55
29580
.1736
.1754
.1772
71.04
23470
.1549
.1566
.1582
17.76
56.31
18600
.1382
.1398
.1413
.7178
22.38
44.68
14760
.1234
.1248
.1261
.9025
28.22
35.44
11710
.1101
.1114
.1126
1.14
35.6
28.1
9270
.0983
.0994
.1004
1.41
1.44
44.9
22.3
7360
.0877
.0887
.0897
1.74
1.78
1.81
56.6
17.7
5840
.0784
.0793
.0802
.0686
2.20
2.24
2.29
71.4
14.0
4620
.0700
.0708
.0716
.0605
.0611
2.77
2.82
2.88
90.0
11.1
3670
.0615
.0623
.0630
.0631
.0639
.0646
.0534
.0539
.0544
3.49
3.56
3.64
113
8.83
2920
.0549
.0555
.0561
.0564
.0570
.0576
161⁄2
.0475
.0480
.0485
4.41
4.48
4.58
143
7.00
2310
.0489
.0496
.0503
.0504
.0511
.0517
171⁄2
.0423
.0427
.0431
5.56
5.66
5.77
180
5.55
1830
.0437
.0443
.0448
.0451
.0457
.0463
181⁄2
.0376
.0380
.0384
7.00
7.14
7.30
228
4.39
1450
.0389
.0395
.0401
.0402
.0408
.0414
191⁄2
.0336
.0339
.0342
8.81
8.97
9.19
286
3.50
1160
.0348
.0353
.0358
.0361
.0366
.0370
201⁄2
.0299
.0302
.0305
11.1
11.4
11.6
362
2.76
912
.0311
.0316
.0321
.0322
.0328
.0333
211⁄2
.0266
.0269
.0272
14.0
14.3
14.5
457
2.19
724
.0277
.0282
.0287
.0288
.0293
.0298
221⁄2
.0237
.0239
.0241
17.7
18.0
18.5
573
1.74
576
.0248
.0252
.0255
.0258
.0262
.0266
231⁄2
.0211
.0213
.0215
22.2
22.6
23.3
721
1.39
458
.0221
.0226
.0230
.0231
.0236
.0240
241⁄2
.0188
.0190
.0192
28.1
28.7
29.3
915
1.09
361
.0198
.0202
.0206
.0207
.0212
.0216
251⁄2
.0167
.0169
.0171
35.5
36.3
37.2
1160
.865
286
.0176
.0180
.0184
.0185
.0189
.0193
261⁄2
.0148
.0150
.0152
44.3
45.5
46.7
1450
.690
228
.0158
.0162
.0165
.0166
.0170
.0174
271⁄2
.0133
.0134
.0135
56.1
57.7
58.6
1840
.543
180
.0141
.0145
.0148
.0149
.0153
.0156
281⁄2
.0118
.0119
.0120
70.8
73.2
74.5
2290
.436
144
.0126
.0130
.0133
.0134
.0137
.0140
291⁄2
.0105
.0106
.0107
90.6
92.3
94.0
2940
.340
112
.0112
.0116
.0119
.0120
.0123
.0126
301⁄2
.0094
.0095
.0096
112.5
114.9
117.4
3660
.2732
90.25
.0101
.0104
.0107
.0108
.0111
.0114
311⁄2
.0083
.0084
.0085
143.5
147.0
150.5
4680
.2136
70.56
.0089
.0092
.0095
.0096
.0099
.0103
321⁄2
.0074
.0075
.0076
179.6
184.4
189.4
5870
.1703
56.25
.0080
.0083
.0086
.0086
.0090
.0093
331⁄2
.0066
.0067
.0068
224.3
231.0
238.1
7360
.1359
44.89
.0071
.0074
.0077
.0077
.0081
.0084
341⁄2
.0058
.0059
.0060
288.1
297.9
308.3
9490
.1054
34.81
.0063
.0065
.0068
.0068
.0071
.0074
351⁄2
.0052
.0053
.0054
355.7
369.2
383.5
11760
.08503
28.09
.0056
.0058
.0061
.0061
.0064
.0067
361⁄2
.0046
.0047
.0048
450.1
469.5
490.1
14950
.06687
22.09
.0050
.0053
.0055
.0054
.0057
.0060
371⁄2
.0041
.0042
.0043
560.9
587.9
617.0
18730
.05340
17.64
.0044
.0047
.0050
.0049
.0052
.0054
381⁄2
.0036
.0037
.0038
718.2
757.7
800.2
24130
.04144
13.69
.0038
.0041
.0044
.0043
.0046
.0048
391⁄2
.0032
.0033
.0034
897.1
952.3
1013
30340
.03296
10.89
.0034
.0037
.0039
.0038
.0041
.0043
401⁄2
.0029
.0030
.0031
1079
1152
1233
36710
.02724
9.00
.0031
.0034
.0036
.0035
.0037
.0039
411⁄2
.0025
.0026
.0027
1423
1534
1659
48880
.02046
6.76
.0027
.0029
.0031
.0030
.0032
.0034
421⁄2
.0023
.0024
.0025
1659
1801
1960
57340
.01744
5.76
.0025
.0026
.0028
.0027
.0029
.0031
431⁄2
.0020
.0021
.0022
2143
2352
2593
74900
.01335
4.41
.0021
.0023
.0025
.0024
.0026
.0028
441⁄2
.0018
.0019
.0020
2593
2873
3201
91490
.01093
3.61
.0019
.0021
.0023
.0022
.0024
.0026
451⁄2
.00160
.00166
.00173 3465
3764
4051
119,900
.00834
2.7556 .00170 .00182
.00194 .00190
.00205
.00220
461⁄2
.00142
.00148
.00154 4373
4735
5143
150,800
.00663
2.1904 .00152 .00163
.00174 .00172
.00186
.00200
471⁄2
.00127
.00132
.00137 5526
5952
6430
189,700
.00527
1.7424 .00137 .00148
.00159 .00157
.00169
.00181
481⁄2
.00113
.00117
.00122 6968
7576
8122
241,500
.00414
1.3689 .00123 .00133
.00143 .00133
.00144
.00155
491⁄2
.00101
.00105
.00109 8729
9407
10167
299,400
.00334
1.1025 .00111 .00119
.00127 .00121
.00132
.00143
501⁄2
.00090
.00093
.00097 11022
11991
12804
382,000
.002618
.8649 .00100 .00108
.00115 .00110
.00121
.00132
6
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
8.86 112.9
NOMINAL
MIN.
NOM.
(INCHES) MIN.
MIN.
MAX.
Square Magnet Wire Copper HEAVY BUILD
BARE COPPER SIZE (AWG)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
MIN. .2864 .2550 .2271 .2023 .1801 .1604 .1429 .1272 .1133 .1009 .0897 .0798 .0710 .0631
DIMENSIONS
RESISTANCE*
(INCHES)
(OHMS PER 1000 FT. AT 20˚C)
NOM. .2893 .2576 .2294 .2043 .1819 .1620 .1443 .1285 .1144 .1019 .0907 .0808 .0720 .0641
MAX. .2922 .2602 .2317 .2063 .1837 .1636 .1457 .1298 .1155 .1029 .0917 .0818 .0730 .0651
MIN. .09627 .1217 .1539 .1949 .2470 .3101 .3929 .4981 .6267 .7951 .9914 1.254 1.565 1.980
NOM. .09895 .1253 .1589 .2018 .2568 .3211 .4084 .5210 .6513 .8309 1.033 1.317 1.641 2.094
MAX. .1020 .1295 .1648 .2100 .2689 .3345 .4277 .5501 .6812 .8757 1.085 1.397 1.734 2.239
SQUARE MILS
CORNER RADIUS
NOM. 82320 64980 51250 40370 31710 25360 19940 15630 12510 9803 7883 6185 4964 3889
NOM. .040 .040 .040 .040 .040 .032 .032 .032 .026 .026 .020 .020 .016 .016
DIMENSIONS (INCHES) POUNDS PER 1000 MAX. MIN. MIN. FT. O.D. O.D. INCREASE 317.2 250.4 197.5 155.6 122.2 97.75 76.86 60.25 48.20 37.78 30.38 23.84 19.13 14.99
.003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003
.2894 .2580 .2301 .2053 .1831 .1634 .1459 .1302 .1163 .1039 .0927 .0828 .0740 .0661
.2972 .2652 .2367 .2113 .1887 .1686 .1507 .1348 .1205 .1079 .0967 .0868 .0780 .0701
SIZE (AWG)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
*Based on 100% conductivity IACS
Aluminum HEAVY BUILD
BARE ALUMINUM SIZE (AWG)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
MIN. .2864 .2550 .2271 .2023 .1801 .1604 .1429 .1272 .1133 .1009 .0897 .0798 .0710 .0631
DIMENSIONS
RESISTANCE*
(INCHES)
(OHMS PER 1000 FT. AT 20˚C)
NOM. .2893 .2576 .2294 .2043 .1819 .1620 .1443 .1285 .1144 .1019 .0907 .0808 .0720 .0641
MAX. .2922 .2602 .2317 .2063 .1837 .1636 .1457 .1298 .1155 .1029 .0917 .0818 .0730 .0651
MIN. .1558 .1969 .2491 .3154 .3997 .5017 .6357 .8059 1.014 1.286 1.604 2.028 2.532 3.203
NOM. .1601 .2028 .2572 .3265 .4156 .5196 .6609 .8431 1.054 1.344 1.672 2.131 2.655 3.389
MAX. .1650 .2096 .2666 .3399 .4351 .5412 .6920 .8902 1.102 1.417 1.755 2.260 2.806 3.623
SQUARE MILS
NOM. 82320 64980 51250 40370 31710 25360 19940 15630 12510 9803 7883 6185 4964 3889
DIMENSIONS (INCHES) CORNER POUNDS RADIUS PER 1000 MIN. MAX. MIN. FT. INCREASE NOM. O.D. O.D. .040 .040 .040 .040 .040 .032 .032 .032 .026 .026 .020 .020 .016 .016
96.46 76.15 60.06 47.30 37.16 29.72 23.37 18.32 14.66 11.49 9.237 7.248 5.817 4.557
.003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003
.2894 .2580 .2301 .2053 .1831 .1634 .1459 .1302 .1163 .1039 .0927 .0828 .0740 .0661
.2972 .2652 .2367 .2113 .1887 .1686 .1507 .1348 .1205 .1079 .0967 .0868 .0780 .0701
SIZE (AWG)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
*Based on 61.8% conductivity IACS
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • PHONE: 818-991-8553 • FAX: 818-706-0911 • www.mwswire.com
7
Bondable Magnet Wire Bondable magnet wire, also referred to as self-bonding magnet wire, is film insulated wire top-coated with a thermoplastic adhesive. When activated, the thermoplastic bonds turn to turn windings to produce self-supporting coils or coils of unusual or difficult configuration. Use of bondable magnet wire may offer advantages over conventional magnet wire in certain winding applications, eliminating the need for bobbins as well as taping or varnishing steps. Activation of the bondcoat may be achieved with either heat, or in some cases solvent, or a combination of the two. Although bondcoats may be added to any conventional film, consideration should be given to the resoftening temperature of the adhesive in that it may not withstand the operating temperature of higher rated primary insulations.
Bonding Methods Solvent Bonding Some bondcoats can be activated by applying certain solvents during or after the coil winding process. Application of the solvent, usually via saturated wick during winding, causes the bondcoat to reflow. The process requires the use of a fixture to hold the coil in place while the solvent is drying. Once dry, the coil should be heated to dry off any residual solvent which might cause long-term coil failure, as well as to complete the bonding process. Heat Bonding All bondcoats can be heat bonded, either by oven-heating or by directing hot air on to the wire during winding. In either case, the principle is to heat the winding slightly above the bondcoat’s reflow temperature and then cool it below its rated bond strength temperature. Oven bonding is accomplished by heating the coil for a period of time sufficient to obtain uniform heating throughout the winding, followed by a cooling cycle. Heating time is generally 10 to 30 minutes, depending on the size of the winding. Disadvantages of oven bonding are the longer bonding time as well as the potential need for many winding fixtures. Hot air bonding, though done typically at slower winding speed, has the advantage of the elimination of a secondary bonding operation. This method is cost effective and usually associated with low temperature bondcoats and wire sizes smaller than 34 gauge. Resistance Bonding Resistance bonding is done by applying electric current to the winding to electrically heat it to the proper bond temperature. Bonding voltage and time are dependent on wire size and coil design, and therefore will need to be developed experimentally for each specific application. This method has the advantages of being quick and generating uniform heat distribution. It is typically used for wire sizes heavier than 34 gauge.
Bondcoats TYPE
SOLVENT ACTIVATION
BONDING TEMPERATURE (°C)*
OPERATING TEMPERATURE (°C)**
Polyvinyl Butyral
Alcohol
110 -140
105
Epoxy
MEK
150 - 200
130
Polyester
MEK
190 - 210
130
Aromatic Polyamide
None
200 - 230
175
*May vary based on wire size and coil design **Most room temperature bond strength lost at this point
8
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Bondable Magnet Wire TYPE 1 BARE WIRE DIAMETER (INCHES)
SIZE (AWG)
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
TYPE 2
OVERALL MIN. INCREASE OVERALL MIN. INCREASE IN DIAMETER (INCHES) DIAMETER (INCHES) IN DIAMETER (INCHES) DIAMETER (INCHES)
MIN.
NOM.
MAX.
FILM
BOND COAT
MIN.
MAX.
FILM
BOND COAT
MIN.
MAX.
.0635 .0565 .0503 .0448 .0399 .0355 .0317 .0282 .0250 .0224 .0199 .0177 .0157 .0141 .0125 .0112 .0099 .0088 .0079 .0070 .0062 .0055 .0049 .0044 .0039 .0034 .0030 .0027 .0024 .0021 .0019 .00169 .00151 .00135 .00119 .00107 .00095
.0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040 .0035 .0031 .0028 .0025 .0022 .0020 .00176 .00157 .00140 .00124 .00111 .00099
.0647 .0577 .0513 .0458 .0407 .0363 .0323 .0288 .0256 .0228 .0203 .0181 .0161 .0143 .0127 .0114 .0101 .0090 .0081 .0072 .0064 .0057 .0051 .0046 .0041 .0036 .0032 .0029 .0026 .0023 .0021 .00183 .00164 .00146 .00129 .00116 .00103
.0016 .0015 .0014 .0014 .0013 .0012 .0012 .0011 .0011 .0010 .0010 .0009 .0009 .0008 .0008 .0007 .0007 .0006 .0006 .0005 .0005 .0004 .0004 .0003 .0003 .0002 .0002 .0002 .0002 .0002 .0001 .0001 .0001 .0001 .0001 .0001 .0001
.0006 .0006 .0006 .0006 .0006 .0006 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0004 .0004 .0004 .0004 .0004 .0003 .0003 .0003 .0003 .0002 .0002 .0002 .0002 .0002 .0001 .0001 .0001 .0001 .0001 .0001 .0001 .0001
.0657 .0586 .0523 .0468 .0418 .0373 .0334 .0298 .0266 .0239 .0214 .0191 .0171 .0154 .0138 .0123 .0110 .0098 .0089 .0079 .0070 .0062 .0056 .0050 .0044 .0038 .0034 .0031 .0028 .0024 .0021 .00189 .00171 .00155 .00137 .00127 .00115
.0682 .0609 .0545 .0488 .0437 .0391 .0351 .0314 .0281 .0253 .0227 .0203 .0182 .0164 .0147 .0133 .0119 .0108 .0098 .0088 .0078 .0070 .0063 .0057 .0051 .0045 .0040 .0036 .0032 .0029 .0027 .0023 .0021 .0019 .0017 .0015 .0014
.0032 .0030 .0029 .0028 .0026 .0025 .0023 .0022 .0021 .0020 .0019 .0018 .0017 .0016 .0016 .0015 .0014 .0013 .0012 .0011 .0010 .0009 .0008 .0008 .0007 .0006 .0006 .0005 .0004 .0004 .0004 .0003 .0003 .0003 .0002 .0002 .0002
.0006 .0006 .0006 .0006 .0006 .0006 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0005 .0004 .0004 .0004 .0004 .0004 .0003 .0003 .0003 .0003 .0002 .0002 .0002 .0002 .0002 .0001 .0001 .0001 .0001 .0001 .0001 .0001 .0001
.0673 .0601 .0538 .0482 .0431 .0386 .0345 .0309 .0276 .0249 .0223 .0200 .0179 .0162 .0146 .0131 .0117 .0105 .0095 .0085 .0075 .0067 .0060 .0055 .0048 .0042 .0038 .0034 .0030 .0026 .0024 .00209 .00191 .00175 .00149 .00137 .00125
.0700 .0627 .0562 .0504 .0452 .0406 .0364 .0326 .0293 .0264 .0238 .0214 .0193 .0173 .0156 .0142 .0128 .0115 .0102 .0095 .0084 .0076 .0069 .0062 .0056 .0050 .0044 .0040 .0037 .0033 .0030 .0025 .0023 .0021 .0018 .0017 .0016
SIZE (AWG)
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
NEMA MW1000, 1997 revision
Bondable Wire Grades (Overall Dimensions) TYPE
0 1 2 3
BASE INSULATION
Equal to Single Build Min/Nom Equal to Single Build Equal to Heavy Build Equal to Triple Build
OVERALL DIAMETER WITH BONDCOAT
Equal to Single Build Equal to Heavy Build Equal to Triple Build Equal to Quad Build
The addition of a bondcoat will result in an increase in the finished diameter of the wire. MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
9
Multifilar Magnet Wire ®
Parallel bonded magnet wire for more consistent capacitance and impedance characteristics. Where constant parallel alignment of multiple strands is an advantage, Multifilar® magnet wire is the right choice. Its parallel-bonded, color-coded construction offers benefits for many applications. Engineers should specify Multifilar® when concerned with space, weight, and reliability. Where consistent capacitance and impedance characteristics are required, Mulifilar magnet wire outperforms windings using two separate magnet wires. Production users benefit from increased layer winding speeds, tighter windings that deliver more power in less space, reduced
labor and handling. Color coding assists in conductor identification and reduces termination errors. MWS custom manufactures Multifilar® magnet wire to assure flat, parallel construction in sizes AWG 16 and finer, and up to 20 conductors wide in some sizes. Nine insulation colors are offered in polyurethane and polynylon films. Red, green and natural are standard for all film types. Consult the chart on the next page for available film insulations and colors.
Multifilar® is a registered trademark of MWS Wire Industries
10
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Multifilar Magnet Wire ®
General Product Information INSULATION CODE NO.
INSULATION TYPE
THERMAL CLASS
DIELECTRIC CONSTANT
NEMA MW 1000 DESIGNATION
AVAILABLE COLORS
1 1
Polyurethane 155
155
6.20
MW 79-C
Polyurethane 180
180
6.20
MW 82-C
2 2
Poly-Nylon 155
155
6.20
MW 80-C
Poly-Nylon 180
180
6.20
MW 83-C
Red, Green, Natural, Blue, Black, Violet, Orange, White, Brown
4
Polyester 200
200
3.34
MW 74-C
Red, Green, Natural, Black
5
Armored Polyester
200
4.55
MW 35-C
Red, Green, Natural, Black
6
Solderable Polyester
180
3.95
MW 77-C
Red, Green, Natural, Black
7
Formvar
105
3.71
MW 15-C
Red, Green, Natural, Black
8
Polyimide (ML)
240
3.90
MW 16-C
Red, Green, Natural, Black
BOND CODE NO. 1 2 3
BOND COAT
SOLVENT*
(OPERATING TEMP)
Polyvinyl Butyral (105º) Nylon (105º) Epoxy (130º)
Alcohol None MEK or Acetone
Red, Green, Natural, Blue, Black, Violet, Orange, White, Brown
BOND THICKNESS STANDARDS AWG SIZE THICKNESS TOLERANCE 16-20 .0007" ± .0002" 21-28 .0005" ± .0002" 29-32 .0004" ± .0001" 33-36 .0003" ± .0001" 37-41 .0002" ± .0001" 42-finer .0001" + .0001"/-0
* Bonding films can be softened and removed by immersion in the solvent noted, except nylon which is non-soluble. Wiping with a soft cloth dampened with solvent may be necessary to separate wires. NOTE: Other insulations, bond coats and thicknesses are available on request.
Part Number Ordering System — Make your own part number by following the guidelines outlined below
B 2 38 1 1 1 1 (155) Product Letter For all Multifilar magnet wire
Number of AWG Size Conductors Use ( ) for more than 9 conductors
Insulation Build 1 = single 2 = heavy 3 = triple 4 = quadruple
Insulation Type See above chart for correct code number
Color Code Bonding Film 0 = none required See above chart 1 = red/green for correct code 2 = green/clear number 3 = red/green/clear 4 = red/green/clear/blue 9 = special — call for color code
Thermal Class For Poly and Poly-Nylon insulations specify 155 or 180 thermal class
EXAMPLE = 2 Conductors — 38 AWG Single Polyurethane 155˚ — Red/Green — Butyral Bond
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
11
Twistite Magnet Wire TM
For superior performance and tighter control over twisted wire construction. For those who use twisted magnet wire in the production of custom toroid, ferrite and recording head coils, specialty audio and R.F. transformers, Twistite magnet wire offers several advantages over other twisted magnet wire constructions. Because Twistite is custom produced by MWS, a wider range of twisting constructions is possible.
Manufacturing capabilities include: • Up to 33 twists per inch on fine wire • Twisting tolerance as tight as ±1% • Tightly controlled capacitance, inductance and impedance characteristics • Up to 10 colors in some sizes for conductor identification • Huge selection of insulations including NEMA MW 1000, JW 1177, 105 - 240˚C (single through quadruple film builds) See page 5 • Wide range of sizes: 16 through 52 AWG • Wide variety of conductor materials: copper, silver, plated conductors, and specialty alloys
Part Number Ordering System — Make your own part number by following the guidelines outlined below
T - 3 38 1 2 2 3 - 10 10 (155) Product Letter For all Twistite magnet wire
Conductor Insulation Type* Insulation Material 1 = Polyurethane Build 1 = Copper 2 = Poly-Nylon 1 = single 2 = Silver 3 = Polyester - 180 2 = heavy 3 = Aluminum 4 = Polyester - 200 3 = triple 4 = Silver Plated 4 = quadruple 5 = Polyurethane bondable Copper 6 = Solderable Polyester 9 = special 5 = Gold Plated 7 = Formvar Copper 8 = ML 9 = special 9 = special EXAMPLE = 3/38 Copper - Heavy Poly Nylon 155˚C - Red/Green/Natural - 10 Twists Per Inch Number of Conductors Use ( ) for more than 9 conductors
AWG Size Use 88 for special size
Color Code 0 = none required 1 = red/green 2 = green/natural 3 = red/green/ natural 4 = red/green/ natural/blue 9 = special
Twisting Tightness Number of twists per inch
Thermal Class For Poly and Poly-Nylon insulations specify 155 or 180 thermal class
*See pages 2 and 3 for a complete listing of insulations TwistiteTM is a trademark of MWS Wire Industries
12
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Twistite Magnet Wire TM
NUMBER SIZE CIRCULAR MILS OF (AWG) STRANDS
NEAREST AWG EQUIV.
24 24 24 25 25 25 26 26 26 27 27 27 28 28 28 29 29 29 30 30 30 32 32 32 34 34 34 36 36 36 38 38 38 40 40 40 41 41 41 42 42 42 43 43 43 44 44 44 45 45 45 46 46 46 47 47 47 48 48 48
808.00 1212.00 2424.00 641.00 961.00 1922.00 506.00 758.00 1517.00 403.00 605.00 1210.00 318.00 476.00 953.00 255.00 383.00 766.00 200.00 300.00 600.00 128.00 192.00 384.00 79.00 119.00 238.00 50.00 75.00 150.00 32.00 48.00 96.00 19.22 28.83 57.66 15.68 23.52 47.04 12.50 18.75 37.50 9.68 14.52 29.04 8.00 12.00 24.00 6.20 9.30 18.60 4.94 7.41 17.82 3.92 5.88 11.76 3.08 4.62 9.24
(OHMS PER 1000 FT. AT 20˚C)
MEAN O.D.
NOMINAL
NOMINAL
12.83 8.56 4.28 16.18 10.79 5.39 20.51 13.67 6.84 25.71 17.14 8.57 32.66 21.78 10.89 40.61 27.07 13.54 51.85 34.57 17.29 81.05 54.00 27.00 130.65 87.10 43.55 207.40 138.27 69.13 324.10 216.07 108.03 539.50 359.73 179.87 661.50 441.00 220.50 829.50 553.00 276.50 1071.00 714.33 357.17 1296.00 864.33 432.17 1674.00 1116.00 558.00 2103.00 1402.23 701.16 2645.00 1763.67 881.83 3372.00 2248.33 1124.16
.043 .043 .060 .038 .038 .054 .034 .034 .048 .031 .031 .043 .027 .027 .039 .025 .025 .035 .022 .022 .031 .0176 .018 .025 .014 .014 .020 .0112 .011 .016 .009 .009 .013 .007 .007 .010 .0062 .006 .009 .0056 .006 .008 .005 .005 .007 .0044 .004 .006 .0039 .0040 .0055 .0035 .0035 .0050 .0032 .0030 .0045 .0028 .0030 .0040
(CIR. MILS)
NOMINAL
2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6 2 3 6
21 191⁄2 161⁄2 22 201⁄2 171⁄2 23 211⁄2 181⁄2 24 221⁄2 191⁄2 25 231⁄2 201⁄2 26 241⁄2 211⁄2 27 251⁄2 221⁄2 29 27 24 31 291⁄2 261⁄2 33 31 281⁄2 35 33 30 37 351⁄2 321⁄2 38 361⁄2 331⁄2 39 371⁄2 341⁄2 40 381⁄2 351⁄2 41 39 36 42 401⁄2 371⁄2 43 41 381⁄2 44 421⁄2 39 45 43 40
SINGLE BUILD
RESISTANCE (INCHES)
FEET PER POUND
402 268 134 505 337 168 639 426 213 800 533 267 1014 676 338 1256 838 419 1604 1068 534 2498 1695 848 4027 2680 1340 6400 4230 2115 10010 6748 3374 16665 10650 5325 20400 13495 6748 25470 17129 8564 33070 21533 10767 40030 27034 13517 51750 34500 17250 65000 43367 21683 81700 54100 27050 102450 68333 34167
HEAVY BUILD POUNDS PER 1000 FT.
2.49 3.73 7.46 1.98 2.97 5.94 1.56 2.35 4.69 1.25 1.87 3.75 .986 1.48 2.96 .787 1.19 2.39 .623 .936 1.87 .400 .590 1.18 .248 .373 .746 .156 .236 .473 .100 .148 .296 .060 .0939 .188 .049 .0741 .148 .039 .0584 .117 .030 .0464 .0929 .025 .0370 .0740 .019 .0290 .0580 .015 .0231 .0461 .012 .0185 .0370 .0098 .0146 .0293
MEAN O.D. NOMINAL
FEET PER POUND
POUNDS PER 1000 FT.
.045 .045 .063 .040 .040 .057 .036 .036 .051 .032 .032 .046 .029 .029 .041 .026 .026 .037 .023 .023 .033 .019 .019 .027 .015 .015 .021 .012 .012 .017 .0098 .010 .014 .0076 .008 .011 .0068 .007 .010 .006 .006 .009 .0054 .005 .008 .005 .005 .007 .0043 .0045 .0060 .0039 .0040 .0055 .0036 .0035 .0050 .0031 .0030 .0045
395 263 132 496 331 165 627 418 209 785 524 261 993 662 331 1231 821 410 1568 1048 524 2436 1651 826 3918 2627 1313 6190 4151 2076 9680 6549 3274 15970 10449 5225 19670 13228 6614 24800 16750 8375 31585 20964 10482 38080 26247 13123 49555 33033 16517 61900 41267 20633 77800 51533 25767 98450 65567 32783
2.53 3.79 7.59 2.02 3.03 6.05 1.60 2.39 4.79 1.27 1.19 3.82 1.01 1.51 3.02 .812 1.22 2.44 .638 .954 1.91 .410 .606 1.21 .255 .381 .762 .162 .241 .482 .103 .135 .305 .063 .0957 .1941 .051 .0756 .151 .040 .0597 .119 .032 .0477 .0954 .026 .0381 .0762 .020 .0303 .0605 .016 .0242 .0485 .013 .0194 .0388 .0101 .0153 .0305
(INCHES)
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
13
Microsquare Magnet Wire TM
Miniature square and rectangular magnet wire for specialty coil and motor windings. When product miniaturization calls for tighter dimensional specifications, MWS Microsquare film-coated magnet wire allows design engineers to create compact coils and small motors that deliver more power in less space. Microsquare means miniature square and rectangular, copper and aluminum magnet wire. Custom-produced by MWS in sizes smaller than 14 AWG or 3500 sq. mil. cross-sectional area, Microsquare is available in a wide range of solderable and hightemperature insulations and a variety of colors, with or without bondable overcoats. See pages 2 and 3 for information on film insulations and pages 8 and 9 for information on bondable overcoats. Microsquare magnet wire was developed to provide improved winding uniformity and maximum use of space.
Cross Section at 100X #28 Square Copper Insulated, with polyester base coat and epoxy bondable topcoat.
Part Number Ordering System — Make your own part number by following the guidelines outlined below
M 22 1 1 2 1 (155) Product Letter For all Microsquare magnet wire
Square AWG Size From chart. Use 88 for special square size. Use 99 for rectangular sizes.
Conductor Material 1 = Copper 2 = Aluminum 9 = special
Insulation Build 1 = single 2 = heavy 3 = triple 4 = quadruple 9 = special
Insulation Type* 1 = Polyurethane 2 = Poly-Nylon 3 = Polyester - 180 4 = Polyester - 200 5 = Polyurethane Bondable 6 = Solderable Polyester 7 = Formvar 8 = ML 9 = special
Color Code 1 = natural 2 = green 3 = red 4 = blue 9 = special
Thermal Class For Poly and Poly-Nylon insulations specify 155 or 180 thermal class
EXAMPLE = 22 AWG - Square Copper - Single Poly-Nylon 155˚C - Natural NOTE: For part numbers starting with 88 or 99, please show wire dimensions after basic part number. *See pages 2 and 3 for a complete listing of insulations MicrosquareTM is a trademark of MWS Wire Industries
14
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Microsquare Magnet Wire TM
Copper SIZE (AWG)
BARE DIMENSION (INCHES) NOM.
(OHMS PER 1000 FT. AT 20˚C)
MIN.
.0571 .0508 .0453 .0403 .0359 .0320 .0285 .0283 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
RESISTANCE
BARE WIRE TOLERANCE*
± .0005 " ± .0005 " ± .0005 " ± .0005 " ± .0005 " ± .0004 " ± .0004 " ± .0004 " ± .0004 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0002 " ± .0002 " ± .0002 " ± .0002 " ± .0002 "
2.601 3.281 4.135 5.225 6.570 8.302 10.46 13.17 16.60 21.06 26.00 32.86 41.43 52.51 65.83 83.62 104.0 132.7 167.5 207.4 263.3
NOM.
MAX.
2.761 3.483 4.390 5.546 6.975 8.685 10.94 13.78 17.37 22.03 26.81 33.88 42.73 54.15 67.89 86.24 107.2 136.9 172.8 213.8 271.5
2.801 3.534 4.453 5.627 7.076 8.845 11.15 14.03 17.69 22.44 27.62 34.91 44.02 55.79 69.94 88.85 110.5 141.0 178.0 220.3 279.8
CORNER RADIUS
SQ. MIL AREA
SIZE (AWG)
.010 " .010 " .009 " .008 " .008 " .007 " .006 " .005 " .005 " .005 " .004 " .003 " .003 " .0025" .002 " .002 " .0015" .0015" .001 " .001 " .001 "
3175 2495 1983 1569 1234 982 781 619 489 383 307 245 194 153 124 97 77 62 49 38 30
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
CORNER RADIUS
SQ. MIL AREA
SIZE (AWG)
.010 " .010 " .009 " .008 " .008 " .007 " .006 " .005 " .005 " .005 " .004 " .003 " .003 " .0025" .002 " .002 "
3175 2495 1983 1569 1234 982 781 619 489 383 307 245 194 153 124 97
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Aluminum SIZE (AWG)
BARE DIMENSION (INCHES) NOM.
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
.0571 .0508 .0453 .0403 .0359 .0320 .0285 .0283 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100
RESISTANCE
BARE WIRE TOLERANCE*
± .0005 " ± .0005 " ± .0005 " ± .0005 " ± .0005 " ± .0004 " ± .0004 " ± .0004 " ± .0004 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 " ± .0003 "
(OHMS PER 1000 FT. AT 20˚C)
MIN.
NOM.
4.134 5.210 6.566 8.294 10.43 13.18 16.64 20.86 26.37 33.41 41.98 52.99 66.82 84.74 106.2 134.8
4.2624 5.372 6.722 8.554 10.76 13.60 17.16 21.52 27.19 34.45 43.30 54.65 68.90 87.38 109.6 139.0
MAX.
4.393 5.535 6.977 8.813 11.08 14.01 17.68 22.17 28.02 35.50 44.61 56.30 70.99 90.03 112.9 143.2
Nominal overall square dimensions will be the overall for the equivalent round size plus .0001" - .0003". Minimum and maximum overall dimensions will be the same as those for the equivalent round size. EXAMPLE:
22 square heavy build, NOMINAL O.D. = .0277" - .0280" MINIMUM O.D. = .0271" MAXIMUM O.D. = .0281"
*Conformance to dimensional tolerance is based on the average of at least three measurements per axis using a minimum 12" sample length. Individual measurements outside the tolerance limits will not be cause for rejection.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
15
Litz Wire The term “litz wire” is derived from the German word litzendraht, meaning “woven wire.” Generally defined, it is a wire constructed of individually film-insulated wires bunched or braided together in a uniform pattern of twists and length of lay. The multistrand configuration minimizes the power losses otherwise encountered in a solid conductor due to the “skin effect,” or the tendency of radio frequency current to be concentrated at the surface of the conductor. In order to counteract this effect, it is necessary to increase the amount of surface area without appreciably increasing the size of the conductor. It is also essential to position each individual strand in the litz construction in a uniform pattern, moving from the center to the outside and back in a given length. Even properly constructed litz wires will exhibit some skin effect due to the limitations of stranding. Wires intended for higher frequency ranges require more strands of a finer gauge size than litz wires of equal cross-sectional area, but composed of fewer and larger strands. Polyurethane and Polyurethane Nylon are the films most often used for insulating individual strands because of their low electrical losses and their solderability. Other insulations shown on pages 2 and 3 can also be used. Litz wires are generally further insulated with a single or double wrap or serving of a textile — typically nylon — but are also available unserved. The data that follows covers a broad range of sizes but is not intended to represent all possible constructions available. Inquire as to particular litz wire constructions and allow us to provide you with wire to meet your specifications. NUMBER OF STRANDS
SIZE (AWG)
CIRCULAR MILS
NEAREST AWG EQUIV. (CIR. MILS)
NOMINAL
3 4 5 6 7 8 9 10 15 20 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60
16
34 34 34 34 34 34 34 34 34 34 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 38 38 38 38 38 38 38 38 38 38 38 38 38 38 38
119.07 158.76 198.45 238.14 277.83 317.52 357.21 396.90 595.35 793.80 75.00 100.00 125.00 150.00 175.00 200.00 225.00 250.00 375.00 500.00 625.00 750.00 1000.00 1250.00 1500.00 48.00 64.00 80.00 96.00 112.00 128.00 144.00 160.00 240.00 320.00 400.00 480.00 640.00 800.00 960.00
291⁄2 28 27 261⁄2 251⁄2 25 241⁄2 24 221⁄2 21 31 30 29 28 271⁄2 27 261⁄2 26 241⁄2 23 22 211⁄2 20 19 181⁄2 33 32 31 30 291⁄2 29 281⁄2 28 261⁄2 25 24 231⁄2 22 21 201⁄2
SERVED
UNSERVED
RESISTANCE
HEAVY POLYURETHANE
SINGLE POLYURETHANE
(OHMS PER 1000 FT. AT 20˚C)
MEAN O.D.
NOMINAL
87.10 65.33 52.26 43.55 37.33 32.66 29.03 26.13 17.42 13.07 138.27 103.70 82.96 69.13 59.26 51.85 46.09 41.48 27.65 20.74 16.59 13.83 10.37 8.30 6.91 216.07 162.05 129.64 108.03 92.60 81.03 72.02 64.82 43.21 32.41 25.93 21.61 16.21 12.96 10.80
NOMINAL
FEET PER POUND
POUNDS PER 1000 FT.
.014 .016 .018 .020 .021 .023 .024 .026 .031 .036 .011 .013 .015 .016 .017 .018 .019 .021 .025 .029 .032 .035 .041 .046 .050 .009 .010 .012 .013 .014 .015 .016 .016 .020 .023 .026 .029 .033 .037 .040
2680 2010 1608 1340 1148 1005 893 804 536 402 4230 3173 2538 2115 1813 1586 1410 1269 846 635 508 423 317 254 212 6748 5061 4048 3374 2892 2530 2249 2024 1350 1012 810 675 506 405 337
.373 .498 .622 .746 .871 .995 1.12 1.24 1.87 2.49 .236 .315 .394 .473 .552 .631 .709 .788 1.18 1.58 1.97 2.36 3.16 3.94 4.72 .148 .198 .247 .296 .346 .395 .445 .494 .741 .988 1.24 1.48 1.98 2.47 2.97
(INCHES)
MEAN O.D. (INCHES)
NOMINAL
.015 .017 .019 .021 .023 .025 .026 .027 .034 .039 .012 .014 .016 .017 .018 .020 .021 .022 .027 .031 .035 .038 .044 .049 .054 .010 .011 .013 .014 .015 .016 .017 .018 .022 .025 .028 .031 .036 .040 .044
FEET PER POUND
2627 1970 1576 1313 1126 985 876 788 525 394 4151 3113 2491 2076 1779 1557 1384 1245 830 623 498 415 311 249 208 6549 4912 3929 3274 2807 2456 2183 1965 1310 982 786 655 491 393 327
POUNDS PER 1000 FT.
.381 .508 .635 .762 .888 1.02 1.14 1.27 1.91 2.54 .241 .321 .401 .482 .562 .642 .723 .803 1.21 1.61 2.01 2.41 3.22 4.02 4.81 .135 .204 .255 .305 .356 .407 .458 .509 .763 1.02 1.27 1.53 2.04 2.55 3.06
SINGLE NYLON — SINGE POLY FEET MEAN O.D. POUNDS PER PER (INCHES) 1000 FT. POUND NOMINAL
.016 .018 .020 .022 .024 .025 .027 .028 .034 .038 .013 .015 .017 .018 .019 .021 .022 .023 .027 .031 .035 .038 .043 .048 .052 .011 .013 .014 .015 .016 .017 .018 .019 .022 .025 .028 .031 .035 .039 .043
2495 1889 1523 1277 1097 963 856 772 517 389 3875 2941 2370 1982 1706 1499 1337 1208 809 611 490 409 308 248 208 6080 4606 3716 3121 2681 2363 2105 1901 1284 969 778 649 489 392 328
.401 .529 .657 .783 .912 1.04 1.17 1.30 1.93 2.57 .258 .340 .422 .505 .586 .667 .748 .828 1.24 1.64 2.04 2.44 3.25 4.03 4.81 .164 .217 .269 .320 .373 .423 .475 .526 .779 1.03 1.29 1.54 2.04 2.55 3.05
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
NUMBER SIZE OF (AWG) STRANDS
CIRCULAR MILS
NEAREST AWG EQUIV. (CIR. MILS)
40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
28.83 38.44 48.05 57.66 67.27 76.88 86.49 96.10 144.15 192.20 240.25 288.30 384.40 480.50 576.60 720.75 961.00 1201.25 1441.50 1681.75 23.52 31.36 39.20 47.04 54.88 62.72 70.56 78.40 117.60 156.80 196.00 235.20 313.60 392.00 470.40 588.00 784.00 980.00 1176.00 1372.00
(OHMS PER 1000 FT. AT 20˚C)
NOMINAL
NOMINAL
3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175
RESISTANCE
351⁄2 34 33 321⁄2 32 31 301⁄2 30 281⁄2 27 26 251⁄2 241⁄2 231⁄2 221⁄2 211⁄2 201⁄2 191⁄2 181⁄2 18 36 35 34 33 321⁄2 32 311⁄2 31 291⁄2 28 27 261⁄2 25 24 231⁄2 221⁄2 21 20 191⁄2 181⁄2
359.73 269.80 215.84 179.87 154.17 134.90 119.91 107.92 71.95 53.96 43.17 35.97 26.98 21.58 17.99 14.39 10.79 8.63 7.19 6.17 441.00 330.75 264.60 220.50 189.00 156.38 147.00 132.30 88.20 66.15 52.92 44.10 33.08 26.46 22.05 17.64 13.23 10.58 8.82 7.56
UNSERVED HEAVY POLYURETHANE SINGLE POLYURETHANE MEAN O.D. MEAN O.D. POUNDS POUNDS FEET FEET (INCHES) (INCHES) PER PER PER PER 1000 FT. 1000 FT. POUND POUND NOMINAL NOMINAL
.007 .008 .009 .010 .011 .011 .012 .013 .016 .018 .020 .022 .026 .029 .031 .035 .040 .045 .050 .054 .006 .007 .008 .009 .010 .010 .011 .011 .014 .016 .018 .020 .023 .025 .028 .031 .036 .040 .044 .047
10650 7987 6390 5325 4564 3994 3550 3195 2130 1597 1278 1065 799 639 532 426 319 256 213 183 13495 10122 8097 6748 5784 5061 4498 4049 2699 2024 1619 1350 1012 810 675 540 405 342 270 231
.0939 .125 .157 .188 .219 .250 .282 .313 .470 .626 .783 .939 1.25 1.57 1.88 2.35 3.14 3.91 4.70 5.46 .0741 .0990 .124 .148 .173 .198 .222 .247 .371 .494 .618 .741 .988 1.24 1.48 1.85 2.47 3.09 3.70 4.33
.008 .009 .010 .011 .012 .012 .013 .014 .017 .020 .022 .024 .028 .031 .034 .038 .044 .049 .054 .058 .007 .008 .009 .010 .010 .011 .012 .012 .015 .018 .020 .022 .025 .028 .030 .034 .039 .044 .048 .052
10449 7837 6270 5225 4478 3919 3483 3135 2090 1567 1254 1045 784 627 523 418 313 251 209 179 13228 9921 7937 6614 5669 4960 4409 3968 2646 1984 1587 1323 992 794 661 529 397 317 265 227
.0957 .128 .160 .191 .223 .255 .287 .319 .478 .638 .797 .957 1.28 1.60 1.91 2.39 3.20 3.98 4.79 5.59 .0756 .108 .126 .151 .176 .202 .227 .252 .378 .504 .630 .756 1.01 1.26 1.51 1.89 2.52 3.15 3.77 4.41
SERVED SINGLE NYLON — SINGE POLY FEET POUNDS MEAN O.D. PER PER (INCHES) POUND 1000 FT. NOMINAL
.009 .010 .011 .012 .013 .014 .014 .015 .018 .020 .022 .024 .028 .031 .034 .037 .043 .047 .052 .056 .008 .009 .010 .011 .012 .012 .013 .014 .016 .018 .020 .022 .025 .028 .030 .033 .038 .042 .046 .050
9276 7108 5757 4824 4162 3662 3273 2955 1994 1508 1215 1020 767 615 513 412 310 250 209 180 11551 8867 7198 6066 5235 4600 4111 3717 2515 1899 1528 1283 970 778 649 521 392 315 264 226
.108 .141 .174 .207 .240 .273 .306 .338 .502 .663 .823 .980 1.30 1.63 1.95 2.43 3.23 4.00 4.78 5.56 .0866 .113 .139 .165 .191 .217 .243 .269 .398 .527 .654 .779 1.03 1.29 1.54 1.92 2.55 3.17 3.79 4.42
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
17
Litz Wire
NUMBER SIZE OF (AWG) STRANDS
CIRCULAR MILS
NEAREST AWG EQUIV. (CIR. MILS)
18
42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 43 43 43 43 43 43 43 43 43 43 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 44 45 45 45 45 45
18.75 25.00 31.25 37.50 43.75 50.00 56.25 62.50 93.75 125.00 156.25 187.50 250.00 312.50 375.00 468.75 625.00 781.25 937.50 1093.75 14.52 19.36 24.20 29.04 48.40 96.80 145.20 290.40 484.00 726.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 60.00 80.00 100.00 120.00 160.00 200.00 240.00 300.00 400.00 500.00 600.00 700.00 9.30 12.40 15.50 18.60 31.00
(OHMS PER 1000 FT. AT 20˚C)
NOMINAL
NOMINAL
3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175 3 4 5 6 10 20 30 60 100 150 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175 3 4 5 6 10
RESISTANCE
371⁄2 36 35 341⁄2 331⁄2 33 321⁄2 32 301⁄2 29 28 271⁄2 26 25 241⁄2 231⁄2 22 21 201⁄2 191⁄2 381⁄2 37 36 351⁄2 33 30 281⁄2 251⁄2 23 211⁄2 39 38 37 36 351⁄2 35 341⁄2 34 321⁄2 31 30 29 28 27 261⁄2 251⁄2 24 23 221⁄2 211⁄2 401⁄2 39 38 371⁄2 35
553.00 414.75 3321.80 276.50 237.00 207.38 184.33 165.90 110.60 82.95 66.36 55.30 41.48 33.18 27.65 22.12 16.59 13.27 11.06 9.48 714.33 535.75 428.60 357.17 214.30 107.15 71.43 35.72 21.43 14.29 864.33 648.25 518.60 432.17 370.43 324.13 288.10 259.30 172.87 129.65 103.72 86.43 64.83 51.86 43.22 34.57 25.93 20.74 17.29 14.82 1116.00 837.00 669.60 558.00 334.80
UNSERVED HEAVY POLYURETHANE SINGLE POLYURETHANE MEAN O.D. MEAN O.D. POUNDS POUNDS FEET FEET (INCHES) (INCHES) PER PER PER PER 1000 FT. 1000 FT. POUND POUND NOMINAL NOMINAL
.006 .007 .007 .008 .009 .009 .010 .010 .013 .015 .016 .018 .021 .023 .025 .028 .032 .036 .040 .043 .005 .006 .007 .007 .009 .013 .016 .022 .029 .035 .004 .005 .006 .006 .007 .007 .008 .008 .010 .011 .013 .014 .016 .018 .020 .022 .025 .028 .031 .034 .0040 .0045 .0050 .0055 .0070
17129 12847 10277 8564 7341 6423 5710 5139 3426 2569 2055 1713 1285 1028 856 685 514 411 343 294 21533 16150 12920 10767 6460 3230 2153 1077 646 431 27034 20276 16221 13517 11586 10138 9011 8110 5407 4055 3244 2703 2028 1622 1352 1081 811 649 541 463 34500 25875 20700 17250 10350
.0584 .0778 .0973 .117 .136 .156 .175 .195 .292 .389 .487 .584 .778 .973 1.17 1.46 1.95 2.43 2.92 3.40 .0464 .0619 .0774 .0929 .155 .310 .464 .929 1.55 2.32 .0370 .0493 .0616 .0740 .0863 .0986 .111 .123 .185 .247 .308 .370 .493 .617 .740 .925 1.23 1.54 1.85 2.16 .0290 .0386 .0483 .0580 .0966
.006 .007 .008 .009 .009 .010 .010 .011 .013 .016 .017 .019 .022 .025 .027 .030 .035 .039 .042 .046 .005 .006 .007 .008 .010 .014 .017 .024 .031 .038 .005 .006 .007 .007 .008 .008 .009 .009 .011 .013 .014 .016 .018 .020 .022 .025 .029 .032 .035 .038 .0045 .0050 .0055 .0060 .0080
16750 12563 10050 8375 7179 6281 5583 5025 3350 2513 2010 1675 1256 1005 838 670 503 402 335 287 20964 15723 12579 10482 6289 3145 2096 1048 629 419 26247 19685 15748 13123 11249 9843 8749 7874 5349 3937 3150 2625 1969 1575 1312 1050 787 630 525 450 33033 24775 19820 16517 9910
.0597 .0796 .0995 .119 .139 .159 .179 .199 .299 .398 .498 .597 .796 .995 1.19 1.49 1.99 2.49 2.99 3.48 .0477 .0636 .0795 .0954 .159 .318 .477 .954 1.59 2.39 .0381 .0508 .0635 .0762 .0889 .102 .114 .127 .191 .254 .317 .381 .508 .635 .762 .952 1.27 1.59 1.90 2.22 .0303 .0404 .0505 .0605 .101
SERVED SINGLE NYLON — SINGE POLY FEET POUNDS MEAN O.D. PER PER (INCHES) POUND 1000 FT. NOMINAL
.008 .009 .009 .010 .011 .011 .012 .012 .015 .017 .018 .020 .023 .025 .027 .030 .035 .038 .042 .045 .007 .008 .009 .009 .011 .015 .018 .025 .031 .038 .007 .007 .008 .008 .009 .009 .010 .010 .012 .014 .015 .016 .018 .020 .022 .024 .028 .031 .033 .036 .0060 .0065 .0070 .0075 .0095
14354 11048 8992 7596 6570 5794 5168 4671 3166 2399 1928 1615 1223 985 822 659 496 398 333 286 17614 13598 11072 9378 5814 2991 2015 1032 621 417 21303 16748 13691 11598 10057 8891 7966 7218 4910 3722 3007 2519 1904 1533 1286 1036 779 624 522 448 26358 20803 17056 14455 9056
.0697 .0905 .111 .132 .152 .173 .193 .214 .316 .417 .519 .619 .818 1.02 1.22 1.52 2.02 2.51 3.00 3.50 .0568 .0735 .0903 .107 .172 .334 .496 .969 1.61 2.40 .0469 .0597 .0730 .0862 .0994 .112 .126 .139 .204 .269 .333 .397 .525 .652 .778 .965 1.28 1.60 1.92 2.23 .0379 .0481 .0586 .0692 .110
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Litz Wire
NUMBER SIZE OF (AWG) STRANDS
CIRCULAR MILS
NEAREST AWG EQUIV. (CIR. MILS)
45 45 45 45 45 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 47 47 47 47 47 47 47 47 47 47 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48
62.00 93.00 186.00 310.00 465.00 7.41 9.88 12.35 14.82 17.29 19.76 22.23 24.70 37.05 49.40 61.75 74.10 98.80 123.50 148.20 185.25 247.00 308.75 370.50 432.25 5.88 7.84 9.80 11.76 19.60 39.20 58.80 117.60 196.00 294.00 4.62 6.16 7.70 9.24 10.78 12.32 13.86 15.40 23.10 30.80 38.50 46.20 61.60 77.00 92.40 115.50 154.00 192.50 231.00 269.50
(OHMS PER 1000 FT. AT 20˚C)
NOMINAL
NOMINAL
20 30 60 100 150 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175 3 4 5 6 10 20 30 60 100 150 3 4 5 6 7 8 9 10 15 20 25 30 40 50 60 75 100 125 150 175
RESISTANCE
32 30 271⁄2 25 231⁄2 41 40 39 381⁄2 371⁄2 37 361⁄2 36 34 33 32 311⁄2 30 29 281⁄2 271⁄2 26 25 241⁄2 231⁄2 421⁄2 41 40 39 37 34 321⁄2 291⁄2 27 251⁄2 43 42 41 40 391⁄2 39 381⁄2 38 361⁄2 35 34 331⁄2 32 31 301⁄2 291⁄2 28 27 261⁄2 251⁄2
167.40 111.60 55.80 33.48 22.32 1402.23 1051.75 841.40 701.16 601.00 525.87 467.40 420.70 280.46 210.35 168.28 140.22 105.18 84.14 70.12 56.09 42.07 33.66 28.05 24.04 1763.67 1322.75 1058.20 881.83 529.10 264.55 176.37 88.18 52.91 35.27 2248.33 1686.25 1349.00 1124.16 963.57 843.13 749.44 674.50 449.66 337.25 269.80 224.83 168.63 134.90 112.42 89.93 67.45 53.96 44.96 38.54
UNSERVED HEAVY POLYURETHANE SINGLE POLYURETHANE MEAN O.D. MEAN O.D. POUNDS POUNDS FEET FEET (INCHES) (INCHES) PER PER PER PER 1000 FT. 1000 FT. POUND POUND NOMINAL NOMINAL
.010 .012 .017 .022 .027 .0035 .0040 .0045 .0050 .0055 .0055 .0060 .0065 .0080 .0090 .010 .011 .013 .014 .016 .017 .020 .022 .025 .026 .0030 .0035 .0040 .0045 .0060 .0080 .010 .014 .018 .022 .0030 .0030 .0035 .0040 .0045 .0045 .0050 .0050 .0065 .0070 .0080 .0090 .010 .011 .013 .014 .016 .018 .020 .021
5175 3450 1725 1035 690 43367 32525 26020 21683 18586 16263 14456 13010 8673 6505 5204 4337 3253 2602 2168 1735 1301 1041 867 743 54100 40575 32460 27050 16230 8115 5410 2705 1623 1082 68333 51250 41000 34167 29286 25625 22778 20500 13667 10250 8200 6833 5125 4100 3417 2733 2050 1640 1367 1171
.193 .290 .580 .966 1.45 .0231 .0307 .0384 .0461 .0538 .0615 .0692 .0769 .115 .154 .192 .231 .307 .384 .461 .576 .769 .961 1.15 1.35 .0185 .0246 .0308 .0370 .0616 .123 .185 .370 .616 .924 .0146 .0195 .0244 .0293 .0341 .0390 .0439 .0488 .0732 .0976 .122 .146 .195 .244 .293 .366 .488 .610 .732 .854
.011 .014 .019 .025 .030 .0040 .0045 .0050 .0055 .0060 .0065 .0070 .0075 .0090 .010 .011 .012 .014 .016 .018 .020 .023 .025 .028 .030 .0035 .0040 .0045 .0050 .0065 .0090 .011 .016 .021 .025 .0030 .0035 .0040 .0045 .0045 .0050 .0055 .0060 .0070 .0080 .0090 .010 .011 .013 .014 .016 .018 .020 .022 .024
4955 3303 1652 991 661 41267 30950 24760 20633 17686 15475 13756 12380 8253 6190 4952 4127 3095 2476 2063 1651 1238 990 825 707 51533 38650 30920 25767 15460 7730 5153 2577 1546 1031 65567 49175 39340 32783 28100 24588 21856 19670 13113 9835 7868 6557 4918 3934 3278 2623 1967 1574 1311 1124
.202 .303 .605 1.01 1.51 .0242 .0323 .0404 .0485 .0565 .0646 .0727 .0808 .121 .162 .202 .242 .323 .404 .485 .606 .808 1.01 1.21 1.41 .0194 .0259 .0323 .0388 .0647 .129 .194 .388 .647 .970 .0153 .0203 .0254 .0305 .0356 .0407 .0458 .0508 .0763 .102 .127 .153 .203 .254 .305 .381 .508 .635 .763 .890
SERVED SINGLE NYLON — SINGE POLY FEET POUNDS MEAN O.D. PER PER (INCHES) POUND 1000 FT. NOMINAL
.012 .014 .019 .024 .029 .0055 .0060 .0065 .0070 .0075 .0080 .0080 .0085 .010 .011 .012 .013 .015 .016 .018 .020 .022 .025 .027 .029 .0055 .0060 .0065 .0065 .0080 .010 .012 .016 .021 .025 .0050 .0055 .0060 .0060 .0065 .0070 .0070 .0075 .0085 .0095 .010 .011 .012 .014 .015 .016 .018 .020 .022 .024
4704 3188 1627 992 664 31224 24686 20842 17780 15500 13709 12316 11188 7684 5861 4730 3972 3016 2430 2031 1634 1239 997 832 714 35976 30228 25188 21558 13681 7214 4896 2521 1532 1037 43938 34901 29561 26069 22989 20525 18564 16892 11685 8969 7282 6136 4659 3760 3157 2547 1923 1548 1297 1118
.213 .314 .614 1.01 1.51 .0320 .0405 .0480 .0562 .0645 .0729 .0812 .0894 .130 .171 .211 .252 .332 .412 .492 .612 .807 1.00 1.20 1.40 .0278 .0331 .0397 .0464 .0731 .139 .204 .397 .653 .964 .0228 .0287 .0338 .0384 .0435 .0487 .0539 .0592 .0856 .111 .137 .163 .215 .266 .317 .393 .520 .646 .771 .894
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
19
Laboratory Services Consistent product quality is an essential requirement for our wire users. MWS maintains one of the most comprehensive wire testing facilities in the specialty wire industry, capable of testing per NEMA MW 1000 for insulated copper and aluminum magnet wire. MWS is a qualified UL producer to OBWM2 – Magnet wire component – File # E211068. MWS is an ISO 9001:2000 registered company.
Testing capabilities include: DIMENSIONAL ANALYSIS
Contact and non-contact laser micrometer analysis, and cross-section optical measurements for concentricity and corner radius measurements.
MECHANICAL PROPERTIES Stress/strain analysis; tensile, yield, break strength values. ELECTRICAL PROPERTIES
DC resistance, dielectric strength, capacitance, impedance, continuity of insulation, completeness of insulation cure, and TCR measurements.
THERMAL PROPERTIES
Thermoplastic flow, heat shock, insulation adherence, thermal endurance, and solderability of insulations per NEMA MW 1000.
MATERIAL ANALYSIS
Base metal chemical analysis accurate to 1ppm. Insulated material analysis performed using infrared spectroanalysis.
SPECIAL TESTING
To customer specification, custom-built test equipment for unique applications.
The Olympus Stereo Microscope, together with the Boeckeler Measurement and Sony Imaging System, can take crosssectional measurements as small as 3 microns. Measurements include X-axis / Y-axis measurements as well as corner radius. Verification can then be sent to our customers by either a printed color photograph or digital image sent via e-mail.
The Satec Model T1000, incorporated with Satec’s “Partner” software, provides precise values for the physical and mechanical properties of metals. Specific tensile strength, break load (from 2 grams to 1,000 pounds), yield strength, elongation and bond strength data is obtained on a wide range of bare and insulated wire and ribbon. Reports can be generated and sent to our customers for test value verification.
This Techne temperature-controlled bath provides MWS the capability to perform temperature coefficient of resistance (TCR) measurements for a variety of specialty metals and alloys. Precise resistance values can be obtained between -0°C and 100°C.
20
The Associated Research Model 7550DT Hi-pot/Dielectric tester has a testing range of 0 to 5,000 volts AC and 6,000 volts DC. The Hipotronics Model M 120 TT dielectric tester (shown right) has a range of 20,000 volts AC.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Manufacturing
Metering dies are used to apply smooth, concentric film coats to wires sizes AWG 30 and heavier.
This specially designed machine draws precious metals to ultra-fine sizes in standard and custom diameters and tempers.
MWS produces custom round, square, rectangular, ribbon, Multifilar®, Twistite™ and Microsquare™ wires in a wellequipped, fully permitted manufacturing facility. Products offered include film insulated wire conforming to NEMA MW 1000 and IEC 60317 in temperature classes 105 to 240˚C, from single through quadruple film builds. Low minimums, quick deliveries and top quality are our standards.
A MAG vertical oven enamel coats round, square and rectangular wire and is suitable for both small quantity and high production runs.
In-line drawing machines can be utilized on any enameling oven, enabling production efficiencies as well as excellent bare wire quality.
Twistite™ magnet wire, up to 50 twists per inch, is produced for numerous electronic applications, utilizing a wide range of conductor materials, insulations and colors. One or two layers of textile yarn can be continuously applied to litz wire on a computer-controlled, dual-head highspeed serving machine.
Continuous in-line diameter measurement provides effective quality assurance on high speed enameling lines. The data can be converted into reports that record the minimum, maximum and average dimensions, and the process capability for a given production run.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
21
Resistance Wire Properties of Major Alloys
MATERIAL
CHEMICAL COMPOSITION (%)
RESISTIVITY AT 20˚C OHMS/ CMF
TCR 0-100˚C
COEFFICIENT OF LINEAR EXPANSION BETWEEN 20-100˚C
TENSILE STRENGTH (PSI AT 20˚C)
MIN.
MAX.
SPECIFIC GRAVITY
POUNDS PER CUBIC INCH
MAGNETIC ATTRACTION
APPROX. MELTING POINT (˚C)
MWS-875
22.5 Cr, 5.5 AI, .5 Si, .1 C, bal. Fe
875
.00002
.000012
105,000
175,000
7.10
.256
Strong
1520
MWS-800
75 Ni, 20 Cr, 2.5 AI, 2.5 Cu
800
.0002
.000014
100,000
200,000
8.10
.293
None
1350
MWS-675
61 Ni, 15 Cr, bal. Fe
675
.00013
.0000137
95,000
175,000
8.247
.2979
Faint
1350
MWS-650
80 Ni, 20 Cr
650
.00010
.0000132
100,000
200,000
8.412
.3039
None
1400
ALLOY 42
42 Ni, bal. Fe
390
.0010
.0000029
70,000
150,000
8.10
.295
Strong
1425
MWS-294
55 Cu, 45 Ni
294
.00002*
.0000149
60,000
135,000
8.90
.321
None
1210
MWS-294R
29 Ni, 17 Co, bal. Fe
294
.0033
.0000033
65,000
150,000
8.36
.302
Strong
1450
Manganin
13 Mn, 4 Ni, bal. Cu
290
.000015**
.0000187
40,000
90,000
8.192
.296
None
1020
ALLOY 52
50.5 Ni, bal. Fe
260
.0029
.0000049
70,000
150,000
8.25
.301
Strong
1425
MWS-180
22 Ni., bal. Cu
180
.00018
.0000159
50,000
100,000
8.90
.321
None
1100
MWS-120
70 Ni, 30 Fe
120
.0045
.000015
70,000
150,000
8.46
.305
Strong
1425
MWS-90
12 Ni, bal. Cu
90
.0004
.0000161
35,000
75,000
8.90
.321
None
1100
MWS-60
6 Ni, bal. Cu
60
.0005
.0000163
35,000
70,000
8.90
.321
None
1100
MWS-30
2 Ni, bal. Cu
30
.0013
.0000165
30,000
60,000
8.90
.321
None
1100
Nickel 205
99 Ni
57
.0048
.000013
60,000
135,000
8.90
.321
Strong
1450
Nickel 270
99.98 Ni
45
.0067
.000013
48,000
95,000
8.89
.321
Strong
1452
*TCR at 25-105.C **TCR at 15-35°C Note: Available bare or insulated. See pages 2 and 3 for available insulations.
Trade Name Cross Reference
22
MWS WIRE IND.
CARPENTER TECH.
MWS-875
Alchrome 875
MWS-800
Evanohm
MWS-675
DRIVER-HARRIS
HARRISON
HOSKINS
JELLIFF
KANTHAL
MOLECU
HAI-FeCr AI 25
Alloy 875
Karma
HAI-431
Chromel R
Alloy 800
Nikrothal L
Moleculoy
Tophet C
Nichrome
HAI-NiCr 60
Chromel C
Alloy C
Nikrothal 6
Electroloy
MWS-650
Tophet A
Nichrome V
HAI-NiCr 80
Chromel A
Alloy A
Nikrothal 8
Protoloy
MWS-294
Cupron
Advance
HAI-CuNi 102
Copel
Alloy 45
Cuprothal 294
Neutroloy
MWS-294R
Kovar
MWS-180
180 Alloy
Midohm
HAI-180
Alloy 380
Alloy 180
Cuprothal 180
MWS-120
Balco
Hytemco
HAI-380
MWS-90
90 Alloy
#95 Alloy
HAI-90
Alloy 290
Alloy 90
Cuprothal 90
MWS-60
60 Alloy
Lohm
HAI-60
Alloy 260
Alloy 60
Cuprothal 60
MWS-30
30 Alloy
#30 Alloy
HAI-30
Alloy 230
Alloy 30
Cuprothal 30
Kanthal A-I
HAI-373
Alloy 120
Pelcoloy
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Resistance Wire Major Alloy Resistance Data SIZE DIA. (B&S) (INCHES) .204 4
NI 270* .001081
NI 205 .001442
MWS-875 .02103
MWS-800 —
NOMINAL OHMS PER LINEAR FOOT AT 20˚C MWS-675 MWS-650 MANGANIN MWS-294 ALLOY 180 — .0070 .006968 .01562 .01622
MWS-120 ALLOY 90 — .002884
ALLOY 60 —
ALLOY 30 —
5
.182
.001358
.001811
.02642
—
.02038
.01962
.008755
.0088
—
.003622
—
—
—
6
.162
.001715
.002286
.03334
—
.02572
.02476
.01105
.0112
—
.004572
—
—
—
7
.144
.002170
.002894
.04220
—
.03255
.03135
.01399
.0142
—
.005788
—
—
—
8
.128
.002747
.003662
.05341
—
.04120
.03967
.01770
.0180
.01099
.007324
.00549
.003662
.00183
9
.114
.003463
.004617
.06733
—
.05194
.05001
.02231
.0226
.01385
.009234
.006925
.004617
.00230
10
.102
.004325
.005767
.08410
—
.06488
.06248
.02787
.0283
.01730
.01153
.00865
.005767
.00288
11
.091
.005434
.007246
.10566
—
.08151
.07849
.03502
.0355
.02174
.01449
.01082
.007246
.00362
12
.081
.006859
.009145
.13336
—
.1029
.09907
.04420
.0448
.02744
.01829
.01372
.009145
.00457
13
.072
.008681
.01157
.1688
—
.1302
.1254
.05594
.0567
.03471
.02314
.01735
.01157
.00578
14
.064
.010986
.01465
.2136
—
.1684
.1587
.07080
.0717
.04395
.02930
.02194
.01465
.00732
15
.057
.013850
.01847
.2693
.2462
.2078
.2000
.08926
.0905
.05541
.03694
.02770
.01847
.00923
16
.051
.017301
.02307
.3364
.3076
.2595
.2499
.1115
.1130
.06921
.04614
.03460
.02307
.01153
17
.045
.022222
.02963
.4321
.3951
.3333
.3209
.1432
.1452
.08889
.05926
.04444
.02963
.01482
18
.040
.028125
.03750
.5469
.5000
.4219
.4062
.1813
.1837
.1125
.0750
.0562
.03750
.01825
19
.036
.04630
.6752
.6173
.5208
.5015
.2238
.2268
.1389
.0926
.06945
.04630
.02315
20
.032
.043945
.05859
.8545
.7813
.6592
.6347
.2832
.2871
.1758
.1171
.0879
.05859
.02924
21
.0285
.055400
.07387
1.077
.9849
.831
.8002
.3570
.3619
.2216
.1477
.1108
.07387
.03693
22
.0253
.07030
.09374
1.367
1.250
1.055
1.017
.4531
.4590
.2812
.1860
.1406
.09374
.04687
23
.0226
.08810
.1175
1.713
1.566
1.322
1.272
.5678
.5756
.3525
.2350
.1762
.1175
.05875
24
.0201
.11138
.1485
2.166
1.980
1.671
1.609
.7178
.7280
.4455
.2970
.2227
.1485
.07425
25
.0179
.14044
.1873
2.731
2.497
2.107
2.029
.9051
.9176
.5619
.3746
.2809
.1873
.09365
26
.0159
.1780
.2373
3.461
3.164
2.670
2.571
1.147
1.163
.7119
.4746
.3554
.2373
.11865
27
.0142
.2232
.2976
4.339
3.967
3.348
3.228
1.438
1.458
.8928
.5952
.4464
.2976
.14880
28
.0126
.2834
.3778
5.511
5.039
4.251
4.090
1.826
1.852
1.133
.7556
.5665
.3778
.18890
29
.0113
.3524
.4699
6.853
6.265
5.286
5.090
2.271
2.302
1.401
.9398
.7001
.4669
.23494
30
.010
.4500
.6000
8.750
8.00
6.750
6.500
2.900
2.940
1.800
1.200
.9000
.6000
.30000
31
.0089
.5681
.7576
11.047
10.10
8.523
8.206
3.662
3.710
2.273
1.515
1.1365
.7576
.37830
32
.008
.7031
.9375
13.672
12.50
10.55
10.16
4.531
4.594
2.813
1.875
1.4065
.9375
.46875
33
.0071
.8927
1.190
17.358
15.87
13.39
12.90
5.754
5.833
3.572
2.380
1.786
1.1905
.59525
34
.0063
1.1338
1.511
22.046
20.16
17.00
16.37
7.305
7.408
4.534
3.022
2.267
1.5113
.75565
35
.0056
1.4349
1.913
27.902
25.51
21.52
20.72
9.247
9.375
5.740
3.826
2.870
1.9132
.9566
36
.005
1.8000
2.400
35.000
32.00
27.00
26.00
11.60
11.76
7.200
4.800
3.600
2.400
1.2000
37
.0045
2.2222
2.963
43.210
39.51
33.33
32.09
14.32
14.52
8.889
5.926
4.444
2.963
1.4815
38
.004
2.8125
3.750
54.688
50.00
42.19
40.62
18.13
18.37
11.25
7.500
5.625
3.750
1.8750
39
.0035
3.6735
4.898
71.429
65.31
55.10
53.06
23.67
24.00
14.69
9.796
7.345
4.898
2.4490
40
.0031
4.6826
6.243
91.051
83.25
70.24
67.63
30.18
30.59
18.72
12.49
9.360
6.240
3.1200
No
.00275
5.9504
7.937
115.702
105.8
89.29
85.98
38.36
38.87
233.97
15.86
11.985
7.937
3.9635
BAS
.0025
7.2000
9.600
140.000
128.0
108.0
104.00
46.40
47.04
28.80
19.20
14.400
9.60
4.800
sizes
.00225
8.8889
11.85
172.840
158.0
133.4
128.5
57.31
58.07
35.58
23.70
17.790
11.86
5.930
below
.002
11.2500
15.00
218.750
200.0
168.8
162.5
72.50
73.50
45.00
30.00
22.500
15.00
7.500
40
.00175
14.6939
19.59
285.714
261.3
220.6
212.4
94.69
96.00
58.83
39.18
29.915
19.61
9.805
—
.0015
20.0000
26.66
388.889
355.6
300.0
288.9
128.9
130.66
—
53.33
—
—
—
—
.0014
22.9592
—
446.429
408.2
344.4
331.6
148.0
150.00
—
61.22
—
—
—
—
.0013
26.6272
—
517.752
473.4
399.6
384.6
171.6
174.00
—
71.01
—
—
—
—
.0012
31.2500
—
607.639
555.0
468.7
451.4
201.4
204.00
—
83.33
—
—
—
—
.0011
37.1901
—
723.140
661.2
557.8
537.2
239.7
243.00
—
99.17
—
—
—
—
.001
45.0000
—
875.000
800.0
675.0
650.0
290.0
294.0
—
120.0
—
—
—
—
.0009
55.5556
—
1080.247
987.7
833.3
802.0
—
—
—
—
—
—
—
—
.0008
70.3125
—
1367.188
1250.0
1054.6
1016.0
—
—
—
—
—
—
—
—
.0007
91.8367
—
1785.714
1633.0
1377.5
1327.0
—
—
—
—
—
—
—
—
.0006
125.0000
—
2430.556
2222.0
1875.0
1806.0
—
—
—
—
—
—
—
—
.0005
180.0000
—
3500.000
3200.0
2700.0
2600.0
—
—
—
—
—
—
—
—
*Using 45 OHMS/CMF
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
23
Plated Wire and Ribbon
MWS produces and inventories the most complete line of continuous electroplated wires and ribbons to be found anywhere in the world. These wires are produced to meet customers’ most critical solderability, purity, and dimensional requirements, as well as a variety of federal, military and commercial standards and specifications.
Plating Finishes Gold, Silver, Nickel, Tin, Tin/Lead (60/40, 70/30, 90/10), Cadmium, Copper
Bus Wire Commercial tin-plated copper wire is available in sizes 8 - 40 AWG.
Surface Conditions and Treatments Bright, semi-bright, or matte finish Tarnish resistant or chromate treatment
Size Range Capabilities Round: .125" - .0007" Flat/square/rectangular: thickness .0005" and larger, widths up to .125"
Conductor Materials Copper, Nickel, Kovar, Dumet, Copper-Nickel Alloys, Nickel-Iron Alloys, Nickel-Chromium Alloys, Beryllium Copper, Phosphor Bronze, and Brass, along with a variety of other metals and alloys.
Packaging Continuous lengths on spools or cut and straightened to specific lengths per customer requirements
Plated Copper Wire Data SIZE (AWG)
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
24
DIAMETER (INCHES)
CIRCULAR RESISTANCE (OHMS PER MILS 1000 FT. AT 20˚C)
NOMINAL .0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040 .0035 .0031
NOMINAL 4110 3260 2580 2050 1620 1290 1020 812 640 511 404 320 253 202 159 128 100 79.2 64.0 50.4 39.7 31.4 25.0 20.2 16.0 12.2 9.61
NOMINAL 2.48 3.13 3.95 4.98 6.30 7.91 10.0 12.6 15.9 20.0 25.2 31.9 40.3 50.5 64.2 79.7 102 129 159 202 257 325 408 505 638 836 1061
THICKNESS OF COATING (MICROINCHES)
POUNDS PER 1000 FT. 12.4 9.87 7.81 6.21 4.92 3.90 3.10 2.46 1.94 1.55 1.22 .970 .765 .610 .481 .387 .303 .240 .194 .153 .120 .0949 .0757 .0613 .0484 .0371 .0291
NICKEL PLATED
SILVER PLATED 1.25% 170 151 135 120 107 95 85 76 67 60 53 47 42 38 33 30 27 24 21 19 17 15 13 12 11 9 8
2% 2.5% 272 343 243 305 216 272 193 242 171 216 153 192 136 171 121 152 108 135 96 121 85 108 96 76 85 68 76 60 67 54 60 48 54 43 48 38 43 34 38 30 34 27 30 24 27 21 24 19 21 17 19 15 17 13
3% 417 371 330 294 262 233 208 185 164 147 131 116 103 92 82 73 65 58 52 46 41 36 33 29 26 23 20
4% 551 491 437 390 347 309 247 245 218 194 173 154 137 122 108 97 86 77 69 61 54 48 43 39 34 30 27
5% 692 617 549 489 435 388 346 308 273 244 217 193 172 153 136 122 108 96 86 77 68 60 54 48 43 38 33
6.1% 846 754 671 598 532 474 422 376 334 293 265 236 210 187 166 149 132 117 106 94 83 74 66 59 53 46 41
2% 322 282 255 228 202 180 161 143 127 114 101 90 80 71 63 57 50 45 40 36 32 28 25 23 20 18 16
4% 647 577 513 458 407 363 323 288 255 228 203 181 161 143 127 114 101 90 81 72 64 57 50 45 40 35 31
7% 10% 1142 1645 1018 1465 905 1304 807 1162 718 1034 921 640 821 570 731 508 649 451 580 403 516 358 459 319 408 283 364 253 323 224 290 201 256 178 228 159 205 143 182 126 162 112 144 100 128 89 116 80 103 71 90 62 80 55
27% 4670 4160 3700 3300 2930 2610 2330 2070 1850 1640 1460 1300 1160 1030 920 820 730 650 580 520 460 410 360 320 290 260 230
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Specialty Metals & Ribbon and Flat Products MWS inventories bare pure gold, silver and platinum from AWG 16 and finer, in addition to ribbon and flat wire. These precious metals can also be insulated and produced in Multifilar©, Microsquare and Twistite™ constructions. Refractory metals, tungsten and niobium, are available from stock at .020" and finer.
Properties of Specialty Metals METAL
Gold Niobium Platinum Silver Tungsten
ATOMIC SYMBOL
MELTING POINT (ºC)
DENSITY (lbs./in.3)
Au Nb Pt Ag W
1064 2468 1769 962 3410
.698 .310 .775 .379 .695
COEFFICIENT of THERMAL LINEAR THERMAL CONDUCTIVITY EXPANSION @ 20ºC @ 0ºC (W/(m x K)) (x 10-6/K)
14.2 7.2 8.9 18.9 4.5
317 52 71 418 173
ELECTRICAL RESISTIVITY @ 20ºC (Ω/circ. mil/foot)
TEMPERATURE COEFFICIENT of RESISTANCE (0-100ºC)
ANNEALED TENSILE STRENGTH (ksi)
13.31 78.80 63.91 9.56 33.08
.00372 .0026 .00393 .00382 .0046
30-32 30-40 18-24 18-27 350-450
Ribbon and Flat Products
Precious metal rolling mill custom-built and specifically designed for fabrication of gold, silver, and platinum ribbon. Dimensional tolerances as tight as .00015".
MWS supplies three basic types of flat conductors: ribbon (flat wire), strip, and foil or sheet. All three products are produced in a series of rolling processes, and are supplied with round, radial, or sharp-edge constructions. Ribbon Normally produced from round wire in a single or multiple pass rolling process, ribbon products range in size from thicknesses as small as .0005", and widths as large as .100". Thickness tolerances are as tight as ±.00015", and width tolerances are as tight as ±.0005". Ribbon products usually are supplied with rounded edges, on spools that are paper sectioned to enhance despooling. Strip Generally speaking, strip products range from thicknesses of .005", with widths from .125" to 2". Radial or sharp edges are available, with material packaged in coils or on spools. Foil or Sheet Produced after rolling, by a shearing or slitting process, foil or sheet is supplied in widths from 2" to 12". Thicknesses can range from .001" to .020". The slit edge is sharp and may require deburring for certain applications.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
25
Copper and Copper Alloys
APPROXIMATE MELTING POINT (˚F)
SOFT
HARD
SOFT
HARD
SOFT
10.3
1981
55
34
50
11
6
36
10.3
1981
55
34
50
11
6
36
100
10.3
1949
55
34
50
12
5
36
.321
93
11.2
1796
64
30
62
13
1.5
30
Be 1.9
.298
22
46.2
1590
152
68
125
28
1
42
70
Zn 30
.308
28
37.0
1680
109
52
68
21
5
30
94.8
Sn 5.0 P .2
.320
15
69.1
1750
110
51
85
21
5
49
ALLOY NAME
Cu
OTHER
ELECTRICAL CONDUCTIVITY (%IACS @ 68˚F)
HARD
UNS ALLOY NO.
DENSITY (LB/CU IN)
RESISTIVITY (OHMS-CIRC. MIL/FT)
Properties of Copper and Copper Alloys
C10100
Certified OFHC Copper
99.99 Min.
—
.323
101
C10200
OFHC Copper
99.95 Min.
—
.323
101
C11000
ETP Copper
99.90 Min.
O .04
.323
C15000
Zirconium Copper
99.85
Zr .15
C17200
Beryllium Copper
98.1
C26000
Cartridge Brass
C51000
Phosphor Bronze
CHEMICAL COMPOSITION (%)
MECHANICAL PROPERTIES TENSILE STRENGTH (K PSI)
YIELD STRENGTH (K PSI)
ELONGATION (%)
Properties are nominal values, and should not be used for specification purposes. Elongation values are generally size dependent.
Certified OFHC Copper (UNS C10100) This is an unalloyed, high purity copper that has excellent forming and brazing characteristics, as well as resistance to hydrogen embrittlement at elevated temperatures. It has good solderability and corrosion resistance, and may be used in any high current application. Both grades of OFHC copper are available in round and shaped wire and may be substituted for ETP copper wherever optimal properties of copper are desired. OFHC Copper (UNS 10200) OFHC copper has 99.95% minimum copper (silver counted as copper) and is produced by converting cathodes in a continuous casting and rolling process into copper rod. Typical uses include bus bars or any electrical conductor, and it may be specified as a special magnet wire conductor. ETP Copper (UNS C11000) Electrolytic tough pitch copper is intentionally alloyed with oxygen to achieve the best combination of conductivity, capacity for being cold worked, and economy. This is the most widely used copper for wire conductors and is available in round, square and rectangular shapes. Zirconium Copper (UNS C15000) This copper alloy exhibits high conductivity, excellent solderability, and good strength. Unlike ETP and the OFHC coppers, zirconium copper resists softening at higher temperatures. Typical applications include switches, high current interconnects, terminal pins, welding tips, and other applications where high temperatures exist. Beryllium Copper (UNS C17200) This alloy is characterized by very high strength and good electrical conductivity. Normally supplied in age-hardenable tempers, beryllium copper has good to excellent cold workability. This alloy is available as bare wire or it can be film insulated. Typical uses include switch parts, springs, fuse clips, connectors, and contacts. Cartridge Brass (UNS 26000) Cartridge brass has good conductivity and strength, but poor solderability due to its high zinc content. This copper alloy is widely used for cold-headed products such as machine and wood screws, rivets, and fasteners. It may also be used as an economical spring material. Phosphor Bronze This alloy is widely used for most types of springs because of its high strength and resistance to corrosion and fatigue. It is also used in switches, relays, contacts, and fasteners.
26
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
EC Aluminum Wire Data Aluminum 1350, also referred to as EC (electrical conductor) aluminum, is the primary alloy utilized in aluminum magnet wire. Its combination of light weight, high thermal conductivity, and high mass electrical conductivity (more than twice that of copper, per pound), make it an ideal alternative to copper for certain winding applications. Most film insulations are available on round aluminum wire. For insulation data, see pages 2 and 3. For square aluminum wire data, see page 7. DIAMETER (INCHES)
SIZE (AWG)
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
RESISTANCE
MIN.
NOM.
MAX.
MIN.
NOM.
.1009 .0898 .0800 .0713 .0635 .0565 .0503 .0448 .0399 .0355 .0317 .0282 .0250 .0224 .0199 .0177 .0157 .0141 .0125 .0112 .0099 .0088 .0079 .0070 .0062 .0055 .0049
.1019 .0907 .0808 .0720 .0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050
.1029 .0916 .0816 .0727 .0647 .0577 .0513 .0458 .0407 .0363 .0323 .0288 .0256 .0228 .0203 .0181 .0161 .0143 .0127 .0114 .0101 .0090 .0081 .0072 .0064 .0057 .0051
1.58 1.99 2.51 3.17 4.00 5.02 6.36 7.97 10.1 12.7 16.0 20.2 25.5 32.2 40.6 51.1 64.5 81.8 103.7 128.7 164.0 206.5 255.0 322.7 408.4 514.9 643.1
1.611 2.03 2.56 3.23 4.07 5.13 6.48 8.15 10.3 13.0 16.3 20.6 26.1 32.8 41.4 52.2 66.2 83.0 105.3 131.0 167.3 211.2 261.4 331.8 421.5 533.4 669.1
POUNDS PER 1000 FT.
FEET PER POUND
(OHMS PER 1000 FT. AT 20˚C)
MAX. 1.643 2.07 2.61 3.29 4.15 5.24 6.61 8.33 10.5 13.3 16.6 21.0 26.8 33.3 42.2 53.4 67.9 84.1 107.0 133.4 170.7 216.0 268.0 341.4 435.2 553.0 696.7
9.56 7.57 6.01 4.77 3.78 3.00 2.38 1.89 1.49 1.19 .942 .748 .589 .470 .372 .295 .233 .186 .1461 .1176 .0920 .0729 .0589 .0464 .0365 .0289 .0230
104 132 166 210 264 333 421 529 669 843 1060 1340 1700 2130 2690 3390 4300 5390 6845 8503 10870 13717 16978 21552 27397 34602 43478
CIRCULAR MILS NOMINAL
SIZE (AWG)
10380 8230 6530 5190 4110 3260 2580 2050 1620 1290 1020 812 640 510 404 320 253 202 158.8 127.7 100.0 79.21 64.00 50.41 39.69 31.36 25.00
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
Properties of Aluminum Alloys Aluminum’s unique combination of properties make it a highly versatile material when alloyed with various metals. Besides light weight, characteristics of aluminum alloys include excellent workability and inherent corrosion resistance due to the inert oxide coat that forms directly after exposure to air. Many alloys in the 1000 through 5000 series are non-heat-treatable, their strength depending on the amount of cold working done. In the case of 5056 alloy, the addition of magnesium as the principal alloying agent increases its initial tensile strength. Alloy 6061 is a heat-treatable alloy supplied in annealed or strain hardened tempers. The end user may achieve maximum tensile strength through a multi-step thermal treatment.
ALLOY
1350(EC) 1100 1199 5056 6061
CHEMICAL COMPOSITION (%)
99.5 Al min. .12 Cu, 99 Al min. 99.996 Al min. .12 Mn, 5 Mg, .12 Cr, Al bal. .6 Si, .28 Cu, 1 Mg, .2 Cr, Al bal.
ULTIMATE TENSILE STRENGTH
ELECTRICAL CONDUCTIVITY IACS
(PSI)
(68˚F)
13,000 13,000 6,800 42,000 17,000
61.8 59 64.9 29 47
ELECTRICAL RESISTIVITY (OHMS-CIRC. MIL/FT)
17 18 15 36 22
(LB/CU IN)
SPECIFIC GRAVITY
.098 .098 .0975 .095 .098
2.7 2.71 2.7 2.64 2.7
DENSITY
COEFFICIENT OF THERMAL EXPANSION X 10-6
APPROX. MELTING POINT
(68 - 212˚F)
(˚F)
23.8 23.6 23.6 24.1 23.6
1200 1195 1220 1060 1080
Mechanical and electrical values based on annealed temper.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
27
Mechanical Alloys When selecting wire for mechanical applications there are four classifications from which to choose a specific material or alloy. They are: nickel base lockwires, carbon steels, stainless steels and superalloys. A three-part evaluation procedure is recommended: 1) initial screening based on temperature and corrosion requirements; 2) analysis of physical properties; and 3) final screening on the basis of specific properties, material, and forming costs.
COMPOSITION (%) MATERIAL
#302 Stainless Steel
#304 Stainless Steel
#316 Stainless Steel
#321 Stainless Steel
17-7 PH
Inconel* 600
Inconel* X-750
Monel* 400
Music Spring
C (MAX.)
.15
.08
.08
.08
.09
.15
.08
.3
1
Mn (MAX.)
2
2
2
2
1
1
1.2
2
.6
Si (MAX.)
P (MAX.)
1
1
1
1
1
.5
.5
.5
.3
.045
.045
.045
.045
.04
—
—
—
.025
S (MAX.)
.03
.03
.03
.03
.03
.015
.01
.024
.03
NOM. TENSILE STRENGTH (PSI) (SIZE RANGE: .002-.032)
Cr
Ni
Fe
OTHERS
MATERIAL CHARACTERISTICS
ANNEALED FULL HARD 17 - 19
18 - 20
16 - 18
17 - 19
16 - 18
14 -17
14 -17
—
—
8 - 10
8 - 12
10 - 14
9 - 12
6.5 - 7.75
72 min.
70 min.
63 - 70
—
Bal.
—
105,000 to 145,000
(SPRING) 300,000 to 360,000
Most widely used stainless steel spring material due to its excellent combination of physical properties and corrosion resistance.
—
105,000 to 145,000
300,000 to 360,000
Similar to Type 302 except for a slightly lower carbon and higher nickel content, which results in a more ductile, lower tensile alloy in the annealed condition. The major use of this alloy is in annealed and 1/4 hard wire products such as cold heading wire, weaving, or screen wire, and lockwire.
Bal.
Mo 2-3
95,000 to 130,000
245,000 to 275,000
Molydenum gives this material high creep strength at elevated temperatures and excellent corrosion resistance. (Generally better than Types 302, 304 and 321.) Especially resistant to pit-type corrosion.
Bal.
Ti 5xC Min.
110,000 to 150,000
225,000 to 275,000
Good where welding is used in fabrication or where heat is encountered as a service condition. Stabilized with titanium to prevent sensitization. (Carbide precipitation and intergranular corrosion.)
—
260,000 to 295,000
Corrosion resistance comparable to Type 302 with physical properties comparable to music wire. Particularly useful where a compact, corrosion resistant spring is required. Considerably better than Type 302 for springs operating up to 600°F.
180,000 to 230,000
Resists corrosion and oxidation to 2150°F. Provides springs with high resistance to corrosion and heat up to 750°F. Tough and ductile down to -310°F; is nonmagnetic, easily fabricated and welded. Used for structural parts, cathode ray tube spiders, thyratron grids, sheathing, tube supports, spark plug electrodes.
220,000 to 250,000
Age hardenable, nonmagnetic, corrosion and oxidation resistant; high creep-rupture strength to 1300°F. Heavy cold working develops tensile strength of 290,000 psi. Stays tough and ductile to -423°F. Resists chloride-ion stresscorrosion cracking. For springs operating to 1200°F and tube structural parts.
145,000 to 180,000
This material is noted for its toughness over a considerable range of temperatures, and has excellent resistance to many corrosive environments. Monel 400 can be hardened only by cold-working. It is useful at temperatures up to 1050˚F, and has very good mechanical properties at temperatures below zero. Melting point is 2370-2460˚F.
330,000 to 480,000
Music spring wire is high carbon steel of uniform chemical analysis. This wire is drawn within rigid tensile, smoothness, and roundness requirements and although very high in tensile strength, must be capable of wrapping around itself without showing signs of cracking or unevenness.
Bal.
Bal.
Al .75 - 1.5
6 - 10
Cu .5 max.
5-9
Cu .5 max. Al .4 - 1 Ti 2.25 - 2.75 Cb .7 - 1.2
2.5 max.
Bal.
Cu Bal.
—
90,000 to 130,000
130,000 to 160,000
70,000 to 95,000
—
*Registered trademark of Inco family of companies
28
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Copper Clad Aluminum and Other Clad Metals Clad metals are two distinct metals or alloys that are metallurgically bonded together so that the optimum combination of functional properties is achieved. Copper Clad Aluminum (CCA) is an electrical conductor with a sleeve of copper bonded to a solid aluminum core. The composite wire is uniquely suited to electrical applications where weight to conductivity issues are critical. The copper makes up either 10% or 15% of the cross sectional area of the wire and assures excellent solderability. AC conductivity at frequencies greater than 5 MHz is equal to solid copper. CCA is manufactured in accordance with the requirements of ASTM B-566. Film insulations are available on CCA wire. For insulation data, see pages 2 and 3.
SIZE DIAMETER (AWG) (INCHES) 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
.0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040 .0035 .0031
AREA (CIR. MILS)
4109 3260 2581 2052 1624 1289 1024 812.3 640.1 510.8 404.0 320.4 252.8 201.6 158.8 127.7 100.0 79.21 64.00 50.41 39.69 31.36 25.00 20.25 16.00 12.25 9.610
FEET PER POUND 15% CCA 10% CCA 215 270 342 430 542 684 862 1087 1378 1728 2184 2750 3498 4378 5554 6915 8811 11134 13777 17488 22214 28035 35244 43521 55002 72090 91848
197 247 314 394 497 627 791 997 1264 1585 2004 2524 3210 4018 5096 6346 8085 10216 12642 16048 20384 25725 32340 39935 50470 66150 84280
Typical Physical Properties
DC Conductivity % Copper by volume % Copper by weight Density Tensile strength, annealed Tensile strength, hard drawn Elongation, annealed Elongation, hard drawn
10%CCA 62.9% min IACS 8-12% 27% nom .120 lb/cu in 20-25 kPSI 16-30 kPSI 5-15% min 1% min
15%CCA 64.4% min IACS 13-17% 34% nom .131 lb/cu in 20-25 kPSI 16-30 kPSI 5-15% min 1% min
(Tensile and elongation values are size dependent)
POUNDS PER 1000 FT. 15% CCA 10% CCA 4.64 3.69 2.92 2.32 1.84 1.46 1.16 .920 .726 .580 .456 .363 .286 .228 .180 .145 .113 .0896 .0726 .0572 .0449 .0355 .0283 .0229 .0181 .0139 .0109
5.06 4.03 3.19 2.53 2.01 1.59 1.26 1.00 .792 .632 .498 .396 .312 .249 .196 .158 .124 .0979 .0792 .0624 .0490 .0387 .0309 .0250 .0196 .0151 .0119
OHMS PER 1000 FT. AT 20˚C SIZE 15% CCA (AWG) 10% CCA 3.91 4.93 6.23 7.83 9.90 12.5 15.7 19.8 25.1 31.5 39.8 50.2 63.6 79.7 101 126 161 203 251 319 405 513 643 794 1000 1310 1670
3.79 4.78 6.05 7.60 9.61 12.1 15.2 19.2 24.4 30.5 38.6 48.7 61.7 77.3 98.2 122 156 197 244 310 390 498 624 770 975 1280 1620
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Other Clad Metals WIRE
CORE/CLADDING
% IACS
CCS 30% Low carbon Steel/Copper
30%
CCS 40% Low carbon Steel/Copper
40%
NCC 27% Dumet
Copper/Pure Nickel
70% nom.
Nickel-Iron Alloy/Copper Approx. 17%
KEY ATTRIBUTES
TYPICAL APPLICATIONS
High strength, medium conductivity High strength, medium conductivity Combines high conductivity and oxidation resistance at elevated temperatures Thermal expansion equal to that of glass
Drop wire, grounding conductor High strength conductors, electronic wire leads High temperature electrical conductors, leadwire to heating elements Electronic wire leads
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
29
Spool Specifications 3 b 3
D4
4
Drums 5 L
6
33 d 44
Drum 1 ⁄2 Drum Pail
43 A
L
5 T
6
3 3
3 5
B D
44
D
4
3B 4
6
6
43 A
3 5
B
4
20 20 11
20 20 11
BARREL TOP BOTTOM (b-IN.) (B-IN.)
13 13 7
13 13 7
TRAVERSE LENGTH (T-IN.)
OVERALL LENGTH (L-IN)
ARBOR HOLE DIAM. (A-IN)
— — —
30 15 12
— — —
TRAVERSE LENGTH (T-IN.)
OVERALL LENGTH (L-IN)
ARBOR HOLE DIAM. (A-IN)
24 12 12 9
26 14 13 10
11⁄2 11⁄2 11⁄2 11⁄2
TRAVERSE LENGTH (T-IN.)
OVERALL LENGTH (L-IN)
ARBOR HOLE DIAM. (A-IN)
9 6 7 35⁄8 5 5⁄8 6 5 31⁄2 31⁄2 3 4 3 31⁄2 31⁄2 21⁄2 3 1
12 87⁄8 8 4 71⁄4 7 61⁄4 45⁄16 4 4 47⁄8 4 4 4 35⁄32 33⁄8 15⁄16
21⁄4 1 1⁄2 11⁄2 2 3
TRAVERSE LENGTH (T-IN.)
OVERALL LENGTH (L-IN)
ARBOR HOLE DIAM. (A-IN)
TARE WEIGHT (POUNDS) PLASTIC FIBER/METAL
— — —
18 12 3
NOM. NET WEIGHT (POUNDS) COPPER ALUMINUM
550 250 85
180 90 30
PACKAGE TYPE
TP500 TP250 TP100 TP50
FLANGE TOP BOTTOM (d-IN.) (D-IN.)
15 15 10 81⁄2
16 16 11 91⁄4
BARREL TOP BOTTOM (b-IN.) (B-IN.)
8 8 6 51⁄2
9 9 7 61⁄2
TARE WEIGHT (POUNDS) PLASTIC FIBER/METAL
12 10 3.05 1.6
— 15.0 8.0 —
NOM. NET WEIGHT (POUNDS) COPPER ALUMINUM
500 250 85 45
180 90 30 —
Straight Spools 5
L
FLANGE TOP BOTTOM (d-IN.) (D-IN.)
Tapered Spools
b
5
T
PACKAGE TYPE
PACKAGE TYPE
T 30" 6 24" 12" x 7" 12" x 4" WR 8" x 6" 6" x 6" 6" DIN * 6" X 31⁄2" * 6" X 31⁄2" 6" RB 47⁄8" DIN * 5" RB 47⁄8 3" 3" DIN * 21⁄2" 21⁄4"
FLANGE TOP BOTTOM (d-IN.) (D-IN.)
30 24 12 113⁄4 8 6 61⁄4 6 6 6 47⁄8 5 47⁄8 3 31⁄8 21⁄2 21⁄4
30 24 12 113⁄4 8 6 61⁄4 6 6 6 47⁄8 5 47⁄8 3 31⁄8 21⁄2 21⁄4
BARREL TOP BOTTOM (b-IN.) (B-IN.)
14 14 61⁄2 81⁄4 41⁄2 33⁄4 4 31⁄2 31⁄2 4 33⁄16 4 3 13⁄4 2 13⁄4 13⁄4
14 14 61⁄2 81⁄4 41⁄2 33⁄4 4 31⁄2 31⁄2 4 33⁄16 4 3 13⁄4 2 13⁄4 13⁄4
5
⁄8 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 7
TARE WEIGHT (POUNDS) PLASTIC FIBER/METAL
— 20 2.8 1.8 1.5 .95 1.02 .66 .43 .64 .55 .55 .39 .17 .15 .15 .09
78 — — — — — — — — — — — — — — — —
NOM. NET WEIGHT (POUNDS) COPPER ALUMINUM
850 250 85 30 30 12 10 8 8 8 6 4 5 2 1 .5 .20
275 80 26 10 10 5 3 3 3 3 2 1.5 2 .5 .30 .15 .07
Taper Flange Spools 5
PACKAGE TYPE
L
10" TF 8" TF 6 6 6" TF 4A 3 5" TF 3 4 D 4" TF 3" TF 2 1⁄2" TF
FLANGE TOP BOTTOM (d-IN.) (D-IN.)
10 8 6 4 7⁄8 4 3 2 1⁄2
11 8 6 4 7⁄8 4 3 2 1⁄2
BARREL TOP BOTTOM (b-IN.) (B-IN.)
6 4
7 4
31⁄8 2 1⁄2 2 2 3⁄4 13⁄4
31⁄8 2 1⁄2 2 2 13⁄4
8 -111⁄2 3 5⁄8 - 7 5⁄8 3 - 5 1⁄4 2 1⁄4 - 4 17⁄8 - 3 3⁄4 2 3⁄4 - 3 3⁄4 2 3⁄8 - 31⁄4
121⁄2 8 61⁄4 4 7⁄8 4 3 7⁄8 3 3⁄8
11⁄2 7
⁄8
⁄8 - 7⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8
5
TARE WEIGHT (POUNDS) PLASTIC FIBER/METAL
3.12 .98 .69 .35 .15 .19 .16
— — — — — — —
NOM. NET WEIGHT (POUNDS) COPPER ALUMINUM
75 22 8 5 3 1.5 .66
20 — 3 1.75 1 .5 .15
*Thick flange
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MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Gauge to MM Conversion Chart A.W.G INCH
.4600 .4096 .3648 .3249 .2893 .2576 .2294 .2043 .1819 .1620 .1443 .1285 .1144 .1019 .0907 .0808 .0720 .0641 .0571 .0508 .0453 .0403 .0359 .0320 .0285 .0253 .0226 .0201 .0179 .0159 .0142 .0126 .0113 .0100 .0089 .0080 .0071 .0063 .0056 .0050 .0045 .0040 .0035 .0031 .0028 .0025 .0022 .0020 .0018 .0016 .0014 .0012 .0011 .0010 .00088 .00078 .00070 .00062 .00055 .00049
MM
11,684 10,404 9,266 8,252 7,348 6,543 5,827 5,189 4,621 4,115 3,665 3,264 2,906 2,588 2,304 2,052 1,829 1,628 1,450 1,291 1,150 1,024 0,9119 0,8128 0,7239 0,6426 0,5740 0,5106 0,4547 0,4038 0,3606 0,3200 0,2870 0,2540 0,2261 0,2032 0,1803 0,1601 0,1422 0,1270 0,1143 0,1016 0,0889 0,0787 0,0711 0,0635 0,0559 0,0508 0,0457 0,0406 0,0350 0,0305 0,0279 0,0254 0,0224 0,0198 0,0178 0,0158 0,0140 0,0124
MM2
107,21 85,03 67,43 53,48 42,41 33,63 26,67 21,15 16,77 13,30 10,55 8,37 6,63 5,26 4,17 3,30 2,62 2,08 1,65 1,31 1,04 0,823 0,653 0,518 0,411 0,324 0,258 0,205 0,162 0,129 0,101 0,0810 0,0644 0,0507 0,0403 0,0320 0,0254 0,0201 0,0160 0,0127 0,0100 0,0081 0,00618 0,00486 0,09397 0,00317 0,00245 0,00203 0,00164 0,00129 0,00109 0,000731 0,000611 0,000507 0,000394 0,000308 0,000249 0,000194 0,000154 0,000121
WIRE NUMBER 7/0 6/0 5/0 4/0 3/0 2/0 1/0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
S.W.G. INCH
MM
MM2
.5000 .4640 .4320 .4000 .3720 .3480 .3240 .3000 .2760 .2520 .2320 .2120 .1920 .1760 .1600 .1440 .1280 .1160 .1040 .0920 .0800 .0720 .0640 .0560 .0480 .0400 .0360 .0320 .0280 .0240 .0220 .0200 .0180 .0164 .0148 .0136 .0124 .0116 .0108 .0100 .0092 .0084 .0076 .0068 .0060 .0052 .0048 .0044 .0040 .0036 .0032 .0028 .0024 .0020 .0016 .0012 .0010
12,7000 11,7850 10,9700 10,1600 9,4487 8,8391 8,2295 7,6200 7,0103 6,4008 5,8972 5,3847 4,8768 4,4703 4,0640 3,6576 3,2512 2,9463 2,6416 2,3368 2,0320 1,8288 1,6256 1,4224 1,2192 1,0160 0,9143 0,8128 0,7112 0,6096 0,5588 0,5080 0,4572 0,4166 0,3759 0,3454 0,3150 0,2946 0,2743 0,2540 0,2337 0,2134 0,1930 0,1727 0,1524 0,1321 0,1220 0,1118 0,1016 0,0914 0,0813 0,0711 0,0610 0,0508 0,0406 0,0305 0,0254
126,68 108,98 94,51 81,07 70,12 61,36 53,19 45,60 38,60 32,18 27,27 22,77 18,68 15,70 12,97 10,51 8,30 6,82 5,48 4,29 3,24 2,63 2,08 1,59 1,17 0,811 0,657 0,519 0,397 0,292 0,245 0,203 0,164 0,136 0,111 0,0937 0,0779 0,0682 0,0591 0,0507 0,0429 0,0358 0,0293 0,0234 0,0182 0,0137 0,0117 0,00981 0,00811 0,00657 0,00519 0,00397 0,00292 0,00203 0,00129 0,000731 0,000507
MWSWireIndustries, 31200CedarValleyDrive, WestlakeVillage, CA91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
31
MWS Wire Industries Accreditations
At MWS, the quality system has been certified to the standards of ISO 9001:2000. Our mission is to provide quality magnet wire, specialty products and unsurpassed service through a quality system focused on continuous improvement of our products, processes, and customer service.
MWS has UL approval on a variety of magnet wire enamels.
MWS Wire Industries has been a member of NEMA since 2004.
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MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
Products in Inventory
Aluminum EC, 1100, 1199, 5056, 6061 Beryllium Copper Brass Alloys 260, 270 Bus Wire Tinned and Bare Copper Wires 101, 102, 110 Copper Clad Aluminum Copper Clad Steel Dumet Bare, Plated Gold to 99.99% Pure High Temperature Wire Inconel© Kovar Litz Wire Served and Unserved Lockwire MS20995
Magnet Wire All sizes to 56 AWG, NEMA MW 1000, JW 1177B, IEC 60317, 105 - 240˚C, Colors, Half Sizes, Bondable Wires, Copper, Aluminum and Special Conductors Monel© MicrosquareTM Magnet Wire Miniature Square and Rectangular Smaller than 14 AWG Multifilar© Magnet Wire 2 - 20 Conductors, 16 - 52 AWG, Parallel Bonded, Color Coded Nickel 200, 201, 205, 270 Phosphor Bronze
Plated Wire and Ribbon Gold, Silver, Nickel, Tin, Copper, Tin/Lead Solder, Cadmium Platinum to 99.99% Pure Platinum Alloys Resistance Alloys Nickel-Chrome, Copper-Nickel, Nickel-Iron, Manganin Silver to 99.99% Pure Stainless Steel 302, 304, 316, 321 Teflon Magnet Wire Tungsten TwistiteTM Magnet Wire 16 to 52 AWG Up to 33 TPI ±1% Up to 10 Colors in Some Sizes
Inconel© and Monel© are registered trademarks of the Inco family of companies. Revised October, 2005 All data contained herein was compiled from sources believed to be reliable and accurate, but should be confirmed by the user. We welcome corrections and suggestions which will be considered in future revisions. MicrosquareTM Multifilar© and TwistiteTM are trademarks of MWS Wire Industries.
MWS Wire Industries, 31200 Cedar Valley Drive, Westlake Village, CA 91362 • Phone: 818-991-8553 • Fax: 818-706-0911 • www.mwswire.com
MWS Wire Industries 31200 Cedar Valley Drive Westlake Village, CA 91362 Phone: 818-991-8553 Fax: 818-706-0911 www.mwswire.com Š2005 MWS Wire Industries