LA (ALA)
VDE
2 FORM A SLIM POWER RELAY
LA RELAYS (ALA)
FEATURES 12.0 .472
24.0 .945
between contact and coil: Min. 6 mm .236 inch (In compliance with IEC65) • Surge withstand voltage between contact and coil: 10,000 V or more. 4. High noise immunity realized by the card separation structure between contact and coil 5. Conforms to the various safety standards • UL/CSA, VDE, TÜV, SEMKO, SEV approved
1. 2 Form A slim type 24(L) × 12(W) × 25(H) mm .945(L)×.472(W)×.984(H) inch 2. 3A type and 5A TV type 3A type: Contact reliability and break performance best suited for protecting and switching speakers. 5A TV type: Tough against inrush current and optimal for turning on and off the power supply. Rated TV-4 (UL/CSA). 3. High insulation resistance • Creepage distance and clearances
25.0 .984
mm inch
SPECIFICATIONS Contact
Characteristics
Type Arrangement Initial contact resistance, max. (By voltage drop 6 V DC 1 A)
3A rated 5A TV rated 2 Form A
Contact material
Rating (resistive load)
Expected life (min. operations)
Max. 50 mΩ
Max. 100 mΩ
Gold-clad silver alloy
Silver alloy
Nominal switching 3 A 125 V AC 5 A 277 V AC capacity Max. switching power 625 VA 1,385 V A Max. switching voltage 125 V AC 277 V AC Max. switching current 5 A (AC) 100 mA, 5 V DC Min. switching capacity#1 Mechanical (at 180 cpm) 106 Electrical (at 20 cpm) 5 × 104 (at rated load) (ON: OFF=1.5s: 1.5s)
Type Max. operating speed Initial insulation resistance*1 Between contact sets Initial *2 breakdown Between open contacts voltage Between contact and coil Surge voltage between contact and coil*3 Operate time*4 (at nominal voltage) Release time (with diode)*4 (at nominal voltage)
Temperature rise (at 70°C)
Coil Nominal operating power
Shock resistance
530 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.
Functional*5 Destructive*6 Functional*7
Vibration resistance
Remarks
Destructive
* Specifications will vary with foreign standards certification ratings. *1 Measurement at same location as “Initial breakdown voltage” section. *2 Detection current: 10mA *3 Wave is standard shock voltage of ±1.2 × 50ms according to JEC-212-1981 *4 Excluding contact bounce time. *5 Half-wave pulse of sine wave: 11 ms; detection time: 10 µs *6 Half-wave pulse of sine wave: 6 ms *7 Detection time: 10 µs *8 Refer to 6. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT
Conditions for operation, transport and storage*8 (Not freezing and condensing at low temperature)
Ambient temp. Humidity Air pressure
Unit weight
ORDERING INFORMATION Ex.
A
LA
2
P
F
12
Product name Contact arrangement Contact capacity Protective construction Coil voltage(V DC) LA
2: 2 Form A
Nil: 3A P: 5A TV-4
F: Flux-resistant type
12, 24
UL/CSA, VDE, TÜV, SEMKO, TV-4 approved type is standard. Notes: 1. Standard packing Carton: 100 pcs. Case: 500 pcs. 2. 4.5V, 5V, 9V and 18V DC types are also available. Please consult us for details. All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
3A rated
5A TV rated 20 cpm Min. 1,000 MΩ (at 500 V DC) 1,000 Vrms for 1 min. 1,000 Vrms for 1 min. 4,000 Vrms for 1 min. Min. 10,000 V Max. 15ms (at 20°C 68°F) Max. 15ms (at 20°C 68°F) Max. 45°C with Max. 45°C with nominal coil nominal coil voltage and at voltage and at 3 A contact 5 A contact carrying current carrying current Min. 200 m/s2{approx. 20 G} Min. 1,000 m/s2{approx. 100 G} 10 to 55Hz at double amplitude of 1.5mm 10 to 55Hz at double amplitude of 1.5mm –40°C to +70°C –40°F to +158°F 5 to 85% R.H. 86 to 106 kPa Approx. 13 g .46 oz
LA (ALA) TYPES AND COIL DATA (at 20°C 68°F) Part No. 3 A type
5A TV type
Nominal voltage, V DC
ALA2F12 ALA2F24
ALA2PF12 ALA2PF24
12 24
Pick-up voltage, V DC (max.)
Drop-out voltage, V DC (min.)
Coil resistance, Ω (±10%)
(Initial) 9 (Initial) 18
(Initial) 0.6 (Initial) 1.2
272 1,087
Nominal operating current, mA (±10%) 44.2 22.1
Nominal operating power, mW 530 530
Maximum allowable voltage, V DC 15.6 31.2
DIMENSIONS
mm inch PC board pattern (Bottom view) 2-0.9 dia 2-.035 dia
15.0 .591
5.0 .197
Max. 25.0 .984
7.5 .295
0.5 .020
Tolerance : ±0.1 ±.004 4 .157
0.5 0.3 .020 .012 1.65 .065
Max. 24 5.0 .945 .197 15.0 .591
4-1.3 dia 4-.051 dia
Schematic (Bottom view)
0.4 .016
Max. 12 .472
1.0 .039 7.5 .295 1.0 .039
Dimension: General 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
REFERENCE DATA 1. Max. switching power (AC resistive load)
100
ALA2PF12 125V AC resistive load
3
250V AC resistive load
Life, ×104
Life, ×104
5
10
10
ALA2F12
1
100 300 Contact voltage, V
1 0
1
2
3
3-(2). Coil temperature rise
Sample: ALA2F12, 6 pcs. Measured portion: coil inside Contact current: 0 A, 3A
Sample: ALA2PF12, 6 pcs. Measured portion: coil inside Contact current: 0 A, 5A 50
50 20°C 3A 20°C 0A 70°C 3A 70°C 0A
35 30 25 20
40
25 20 15 10
5
5 0
80
100
120
Coil applied voltage, %V
0
3
Contact current: ALA2F=3A ALA2PF=5A
30
10
2
4. Ambient temperature characteristics and coil applied voltage
70°C 5A 70°C 0A
35
15
0
1
Contact current, A
200
20°C 5A 20°C 0A
45 Temperature rise, °C
40
0
5
Contact current, A
3-(1). Coil temperature rise
45
4
Coil applied voltage, %V
0
Temperature rise, °C
2-(2). Life curve (125 V AC resistive load)
100
10
Contact current, A
2-(1). Life curve (250 V AC resistive load)
Allowable ambient temperatures against % coil voltages (max. inside the coil temperature set as 115°C 239°F)
150
100
50
0
80
100 120 Coil applied voltage, %V
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
0 0
20
40 60 Ambient temperature, °C
80
LA (ALA) Change of pick-up and drop-out voltage
Circuit:
NO
COM
NO
COM
80 Pick-up voltage
40 Drop-out voltage
5-(2). Electrical life test (5 A 250 V AC, resistive load)
NO
COM
NO
COM
Pick-up and drop-out voltage, %V
Contact welding detection and Miscontacting detection circuit
Tested sample: ALA2PF12, 6 pcs. • Overload test Load: 6.0 A 120 V AC (60 Hz), Inrush: 91 A Operation frequency: 10 times/min (ON: OFF = 1 s: 5 s) No. of operations: 50 ope. • Endurance test Load: 4A 120 V AC (60 Hz), Inrush: 65 A Operation frequency: 10 times/min (ON: OFF = 1 s: 5 s) No. of operations: 25,000 ope.
Max. x Min.
20
2.5 No. of operations, ×104
5
Change of contact resistance 50
Pick-up voltage 60 Max. x Min.
40
40 Max. 30
x Min.
20
Drop-out voltage Max. x Min.
20
2.5 No. of operations, ×104
10
0 0
5
2.5
5
No. of operations, ×104
Change of pick-up and drop-out voltage Pick-up and drop-out voltage, %V
5-(3). Electrical life test (UL lamp load test TV-4)
30
0 0
5
80
0 0
G
40
10
100
Circuit:
12V DC
2.5 No. of operations, ×104
Change of pick-up and drop-out voltage
Sample: ALA2PF12, 6 pcs. Operation frequency: 20 times/min. (ON/OFF = 1.5s: 1.5s) Ambient temperature: 20°C 68°F
250V AC
Max. x Min.
20
0 0
G
Max. x Min.
60
Contact resistance, mΩ
125V AC
Contact welding detection and Miscontacting detection circuit
50
Change of contact resistance 50
100
80 Pick-up voltage Max. x Min.
60
40 Drop-out voltage 20
0 0
Max. x Min.
2.5
Contact resistance, mΩ
12V DC
Change of contact resistance
100 Contact resistance, mΩ
Sample: ALA2F12, 6 pcs. Operation frequency: 20 times/min. (ON/OFF = 1.5s: 1.5s) Ambient temperature: 20°C 68°F
Pick-up and drop-out voltage, %V
5-(1). Electrical life test (3 A 125 V AC, resistive load)
40
30
20 Max. 10 x Min. 0 0
No. of operations, ×104
For Cautions for Use, see Relay Technical Information
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
2.5 No. of operations, ×104