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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


Panasonic LA Relay