CR TWIN POWER SILENT AUTOMOTIVE RELAY
CR RELAYS
FEATURES 24.6 .969
board layout
• Silent Noise has been reduced by approximately 20 dB, using our own silencing design. • Twin (1 Form C × 2) Forward/reverse motor control is possible with a single relay. • Sealed construction • Simple footprint enable ease of PC
17.0 .669 18.5 .728
mm inch
Common
Coil
Coil Normally Open
Normally Closed
SPECIFICATIONS Contact
Characteristics 1 Form C × 2 (H bridge) Silver alloy
Arrangement Contact material Initial contact resistance (By voltage drop 6 V DC 1A) Contact voltage drop Nominal switching capacity
Rating
Max. 100 mΩ Max. 0.2V (at 10 A) N.O.: 20 A 14 V DC N.C.: 10 A 14 V DC 35 A for 2 minutes, 25 A for 1 hour (12 V, at 20°C68°F) 30 A for 2 minutes, 20 A for 1 hour (12 V, at 85°C185°F)
Max. carrying current
Min. switching capacity#1 Expected life (min. operations)
Max. operating speed (at nominal switching capacity) Initial insulation resistance*4
1 A 12 V DC Min. 107 Min. 105*1 Min. 2×105*2 Min. 105*3
Mechanical (at 120 cpm) Resistive load Electrical Motor load
Coil Nominal operating power
640 mW
#1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load.
6 cpm Min. 100 MΩ (at 500 V DC)
Between open contacts Between contacts and coil
Initial breakdown voltage*5
Operate time* (at nominal voltage)(at 20°C68°F) Release time*6 (at nominal voltage)(at 20°C68°F) Functional*7 Shock resistance Destructive*8 6
500 Vrms for 1 min. Max. 10 ms (initial) Max. 10 ms (initial) Min. 100 m/s2 {10G} Min. 1,000 m/s2 {100G} 10 Hz to 100 Hz, Min. 44.1 m/s2 {4.5G} 10 Hz to 500 Hz, Min. 44.1 m/s2 {4.5G}
Functional*9 Vibration resistance Destructive*10 Conditions for operation, transport and storage*11 (Not freezing and condensing at low temperature) Mass
500 Vrms for 1 min.
Ambient temperature
–40°C to +85°C –40°F to +185°F
Humidity
5% R.H. to 85% R.H. Approx. 12.5g.44 oz
Remarks *9 Detection time: 10µs *10 Time of vibration for each direction; X, Y, direction: 2 hours Y X Z direction: 4 hours
*1 At nominal switching capacity, operating frequency: 1s ON, 9s OFF *2 N.O.: at 5 A (steady), 25 A (inrush)/N.C.: at 20 A (brake) 14 V DC, operating frequency: 0.5s ON, 9.5s OFF *3 At 20A 14 V DC (Motor lock), operating frequency: 0.5s ON, 9.5s OFF 4 * Measurement at same location as “Initial breakdown voltage” section *5 Detection current: 10mA *6 Excluding contact bounce time *7 Half-wave pulse of sine wave: 11ms; detection: 10µs *8 Half-wave pulse of sine wave: 6ms
*11 Refer to 6. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT
TYPICAL APPLICATIONS
ORDERING INFORMATION
• Power windows • Auto door lock • Electrically powered sunroof • Electrically powered mirror, etc.
Z
Ex. CR
2
–
12 V
Contact arrangement
Coil voltage(DC)
1 Form C × 2
12 V
Standard packing: Carton(tube package) 32pcs. Case: 800pcs.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
CR TYPES AND COIL DATA (at 20°C 68°F) Part No.
Nominal voltage, V DC
Pick-up voltage, V DC (Initial)*
Drop-out voltage, V DC (Initial)
Coil resistance, Ω
CR2-12V
12
Max. 7.2
Min. 1.0
225±10%
Nominal operating current, mA 53.3±10%
Nominal operating power, mW
Usable voltage range, V DC
640
10 to 16
* Other pick-up voltage types are also available. Please contact us for details.
DIMENSIONS
mm inch PC board pattern (Bottom view)
17.0 .669
24.6 .969
7-1.5 +0.1 0 dia 7-.059 +.004 0 dia
4.5 .177
18.5 .728 Max. 1.0 .039
0.6 .024 3.5 .138
7-0.25 .010 4.5 .177
A* Pre-soldering
4.5 .177
4.5 .177
3.5 .138
8.0 .315
4.5 .177
7-1.2 .047
22.4 .882
Tolerance: ±0.1 ±.004 Schematic (Bottom view)
3.5 .138
8.0 .315
4.5 .177
22.4 .882
Dimension: Tolerance Max. 1mm .039 inch: ±0.1 ±.004 1 to 3mm .039 to .118 inch: ±0.2 ±.008 Min. 3mm .118 inch: ±0.3 ±.012
COM1
COM2
COIL NO
NC
* Dimensions (thickness and width) of terminal specified in this catalog is measured before pre-soldering. Intervals between terminals is measured at A surface level.
EXAMPLE OF CIRCUIT Forward/reverse control circuits of DC motor for power window
M COM
COM
Tr1
Tr2
NC
NO
12 VDC
M Power window motor
Tr1 OFF ON OFF
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
Tr2 OFF OFF ON
Motor Stop Forward Reverse
CR REFERENCE DATA 1-(1). Coil temperature rise (at room temperature)
1-(2). Coil temperature rise (at 85°C 185°F)
Sample: CR2-12V, 5pcs Contact carrying current: 10A, 15A, 20A Ambient temperature: Room temperature
20A
120
15A 10A
80
160
120 15A 80
10A
40
40
12
0
14 16 Coil applied voltage, V
3. Ambient temperature and operating temperature range
40 30 20
0
14 16 Coil applied voltage, V
0
10
20 30 40 Switching current, A
50
5. Distribution of pick-up and drop-out voltage Sample: CR2-12V, 100pcs
Ratio against the rated voltage, %V
35 30 25 20 15 10
0 –40 –20
12
4. Ambient temperature characteristics
40
5
50
10
70
80
60
60 50 40
Pick-up voltage lower limit 0 –40 –20
0
7. Distribution of release time Sample: CR2-12V, 100pcs * With diode
100
100
90
90
80
80
70
70
Quantity, n
30
10
80 20 40 60 Ambient temperature, °C
Sample: CR2-12V, 100pcs
50
40
20
20
6. Distribution of operate time
60
50
30
10
Pick-up voltage (Cold start) 0 20 40 60 8085 100 120 Ambient temperature, °C
Pick-up voltage Drop-out voltage
Pick-up voltage upper limit
70
Frequency, n
0
Coil applied voltage, VDC
Switching voltage, VDC
160
(N.O. side Room temperature)
60
200 Temperature rise, °C
Temperature rise, °C
200
Quantity, n
2. Max. switching capability (Resistive load)
Sample: CR2-12V, 5pcs Contact carrying current: 10A, 15A Ambient temperature: 85°C 185°F
100
0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 Voltage, V
60 50
40
40
30
30
20
20
10
10 0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
Time, ms
Time, ms
8-(2). Operation noise distribution
Measuring conditions
When operated
When released
Sample: CR2-12 V, 50 pcs. Equipment setting: “A” weighted, Fast, Max. hold Coil voltage: 12V DC Coil connection device: Diode Background noise: Approx. 20dB
50
50
40
40 Frequency
Frequency
8-(1). Operation noise distribution
30
30
20
20
10
10
0 40
42
44
46
48
50
52
Noise level, dB
54
56
0 36
Microphone Relay
50mm 1.969inch Sponge
38
40
42
44
46
48
50
52
Noise level, dB
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
CR Change of pick-up and drop-out voltage
Circuit
14VDC
M
Change of contact resistance
10
50 N.C. side N.O. side
9 8 Pick-up voltage
7
Max. X Min.
6 5 4
Drop-out voltage
Max. X Min.
3 2
Contact resistance, mΩ
Sample: CR2-12V, 3pcs Load: Inrush current: 25A, Steady current: 6A, Brake current: 15A, power window motor actual load (free condition) Tested voltage: 14V DC Ambient temperature: Room temperature
Pick-up and drop-out voltage, V
9-(1). Electrical life test (Motor free)
40
30
20 Max. X(N.C.) Max. X(N.O.) Min. Min.
10
1 0
0
10
0
20
No. of operations, × 10
0
10 No. of operations, × 104
4
Load current waveform Inrush current: 25A, Steady current: 6A, Brake current: 15A Tested voltage: 14V DC 10A 100ms
Change of pick-up and drop-out voltage
Circuit
14VDC
M
Motor
Change of contact resistance 50
10
N.C. side N.O. side
9 8 Pick-up voltage
7 6 5
Drop-out voltage
4
Max. X Min. Max. X Min.
3
Contact resistance, mΩ
Sample: CR2-12V, 3pcs Brake current: 22A, power window motor actual load (lock condition) Tested voltage: 14V DC Switching frequency: (ON:OFF = 0.5s:9.5s) Ambient temperature: Room temperature
Pick-up and drop-out voltage, V
9-(2). Electrical life test (Motor lock)
2
40
30
20
10
1 0
0
5 No. of operations, × 10
10 4
Load current waveform Brake current: 22A Tested voltage: 14V DC 5A 100ms
For Cautions for Use, see Relay Technical Information All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
0
0
5 No. of operations, × 104
Max. X Max. Min. X Min. 10