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LF (ALF)

VDE

LF RELAYS (ALF)

20A POWER RELAY FOR HOME APPLIANCES

FEATURES 30.1 1.185

15.7 .618

15.7 .618

30.1 1.185

23.3 .917

23.3 .917

TMP type

PCB type mm inch

• Surge withstand voltage: Min. 10,000V 3. “PCB” and “TMP” types available 4. Conforms to the various safety standards: UL/CSA, TÜV, VDE approved

1. Ideal for compressor and inverter loads 1) Compressor load: 20A 250V AC 2) Inverter load: 20A 100V AC, 10A 200V AC 2. High insulation resistance • Creepage distance and clearances between contact and coil; Creepage Min. 9.5mm .374inch/ Clearance Min. 8mm .315inch

SPECIFICATIONS Contact Arrangement Initial contact resistance, max. (By voltage drop 6 V DC 1 A) Contact material Nominal switching capacity Max. switching power Rating Max. switching (resistive load) voltage Max. switching current Min. switching capacity#1 Mechanical (at 180 cpm) Expected life (min. operations) Electrical (at 20 cpm) (Resistive load)

Characteristics 1 Form A 100 mΩ Silver alloy 20 A 250V AC 6,250 V A 250V AC 25 A

Max. operating speed (at rated load) Initial insulation resistance*1 Between open contacts Initial breakdown Between contacts and voltage*2 coil Surge voltage between contact and coil*3 Operate time*4 (at nominal voltage) Release time (without diode)*4 (at nominal voltage)

100 mA, 5 V DC

105

Coil Nominal operating power

#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.

Remarks * 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 × 50µs 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

TYPICAL APPLICATIONS

Approx. 15ms Approx. 15ms

5 to 85% R.H.

Vibration resistance Destructive Conditions for operation, transport and storage*8 (Not freezing and condensing at low temperature) Unit weight

Min. 10,000 V

Humidity

Functional*7 900 mW

5,000 Vrms for 1 min.

Ambient temp.

Functional*5 Destructive*6

Shock resistance

Min. 1,000 MΩ (at 500 V DC) 1,000 Vrms for 1 min.

Max. 45°C (resistance method, contact current 20 A, rated coil voltage, 60°C 140°F) Min. 100 m/s2{10 G} Min. 1,000 m/s2{100 G} 10 to 55Hz at double amplitude of 1.5mm 10 to 55Hz at double amplitude of 1.5mm –40°C to +60°C –40°F to +140°F

Temperature rise (at nominal voltage)

2 × 106

20 cpm

Approx. 23 g .81 oz

ORDERING INFORMATION

• Air conditioner • Refrigerators • OA equipment

Ex.

A

LF

1

T

12

Product Name

Contact arrangement

Terminal shape

LF

1: 1 Form A

T: TMP type P: PCB type

Note: Standard packing; Carton: 50 pcs. Case 200 pcs. UL/CSA,VDE, TÜV approved type is standard.

Coil voltage, V DC 05: 5 06: 6 09: 9

12: 12 18: 18 24: 24

LF (ALF) TYPES Contact arrangement

Coil voltage, V DC 5 6 9 12 18 24

1 Form A

TMP type

PCB type

ALF1T05 ALF1T06 ALF1T09 ALF1T12 ALF1T18 ALF1T24

ALF1P05 ALF1P06 ALF1P09 ALF1P12 ALF1P18 ALF1P24

COIL DATA Nominal voltage, V DC

Pick-up voltage, V DC (max.)

Drop-out voltage, V DC (min.)

Coil resistance, Ω(±10%)

5 6 9 12 18 24

3.5 4.2 6.3 8.4 12.6 16.8

0.5 0.6 0.9 1.2 1.8 2.4

27.8 40 90 160 360 640

Nominal operating current, mA (±10%) 180 150 100 75 50 37.5

Nominal operating power, W

Maximum allowable voltage, V DC

0.9

5.5 6.6 9.9 13.2 19.8 26.4

DIMENSIONS

mm inch

1. TMP type

PC board pattern (Bottom view) 11.25 .443

12.8 .504

#250 terminal

27.6 ±0.1 1.087 ±.004

6.4 .252

13.8 ±0.1 .543 ±.004

2.0 .079

a. di . 8 ia 1. 1 d 4 07 . 412.0 ±0.1 .472 ±.004

23.3 .917 0.5 .020

22.0 .866 27.6 1.087

12.0 ±0.1 .472 ±.004

10.0 ±0.1 .394 ±.004

Tolerance: ±0.1 ±.004

4.0 .157

12.0 .472

Schematic (Bottom view) FASTON 250

30.1 1.185 3 NO COM 4 15.7 .618 1

2

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

2. PCB type

NO

COM PC board side

PC board pattern (Bottom view) 27.6 ±0.1 1.087 ±.004 13.8 ±0.1 .543 ±.004

a. di . 8 ia 1. 1 d 4 07 . 4-

23.3 .917 0.5 .020

22.0 .866 27.6 1.087

12.0 .472

12.0 ±0.1 .472 ±.004

30.1 1.185 3 NO COM 4 15.7 .618 1

2

12.0 ±0.1 .472 ±.004

4.0 .157

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

10.0 ±0.1 .394 ±.004

Tolerance: ±0.1 ±.004

Schematic (Bottom view) NO

COM

LF (ALF) REFERENCE DATA Sample: ALF1T12, 6 pcs. Point measured: coil inside Contact current: 20A Ambient temperature: 25°C 77°F, 60°C 140°F

Temperature rise, °C °F

70 158

25°C 77°F 60°C 140°F

60 140

2-(1). 200V AC electrical life test (200V AC, inverter load) Sample: ALF1T12, 6 pcs. Load: Inrush 102A (wave peak value), Steady 14.4A (wave peak value) Inverter dummy 200V AC Switching frequency: ON 1s, OFF 5s Circuit:

12 Pick-up and drop-out voltage, V

1. Coil temperature rise

50 122 LF relay contact

40 104 30 86

200V AC 1.9Ω

20 68 10 50 0 32

2,000µF

100

10 Pick-up voltage

Max. x Min.

8

6 Drop-out voltage

Max. x

4

Min.

2

Switch

80

Contact welding: 0 times Miscontact: 0 times

0

120

0

3

6

No. of operations, ×104

Coil applied voltage, %V

2-(2). 100V AC electrical life test (100V AC, inverter load) Sample: ALF1T12, 6 pcs. Load: Inrush 224A (wave peak value), Steady 30.5A (wave peak value) Inverter dummy 100V AC Switching frequency: ON 1s, OFF 5s Circuit: LF relay contact 470µF 2,000µF

100V AC 470µF

Pick-up and drop-out voltage, V

12 Contact welding: 0 times Miscontact: 0 times

10 Pick-up voltage

8

Max. x

6

Min. Drop-out voltage

Max. x Min.

4

2

0

0

3

6

No. of operations, ×104

2-(3). Inrush 70.7A, Steady 20A, 250V AC electrical life test (Compressor dummy load)

2-(4). Electrical life test (20A 250V AC, resistive load)

Sample: ALF1T12, 3 pcs. Load: Inrush 70.7A, cosφ = 0.7 Steady 20A, cosφ 0.9 250V AC compressor dummy Switching frequency: ON 1.5s, OFF 1.5s Circuit:

Sample: ALF1T12, 6 pcs. Switching frequency: ON 1.5s, OFF 1.5s

Mg

250V AC

(–)

60Hz

12V DC SW1 (+)

Detection Circuit Contact Weld Min. 0.5s Miss Contact after 0.2s

12 Contact welding: 0 times Miscontact: 0 times

10

8 Pick-up voltage

Max. x Min.

6

4

Max. x Min.

Drop-out voltage

G 2

0

Pick-up and drop-out voltage, V

NO

Pick-up and drop-out voltage, V

COM

12

Contact welding: 0 times Miscontact: 0 times

10 Pick-up voltage

8

Max. x Min.

6 Drop-out voltage

Max. x

4

Min.

2

0

5 No. of operations,

10 ×104

For Cautions for Use, see Relay Technical Information

0

0

10 No. of operations, ×104

20


Panasonic LF Relay