Document
LF
20A Power Relay For Home appliances
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15.7 .618
VDE
LF-RELAYS
4. Conforms to the various safety standards: UL/CSA, TÜV, VDE approved
FEATURES
30.1 1.185
30.1 1.185
15.7 .618
23.3 .917
TMP type
1. Ideal for compressor and inverter loads 1) Compressor load: 20A 250V AC 23.3 .917 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/ClearPCB type ance Min. 8mm .315inch mm inch • Surge withstand voltage: Min. 10,000V 3. "PCB" and "TMP" types available
SPECIFICATIONS
Contact
Arrangement Initial contact resistance, max. (By voltage drop 6 V DC 1 A) Contact material Nominal switching capacity Max. switching power Rating (resistive load) Max. switching voltage Max. switching current Mechanical (at 180 cpm) Expected life Electrical (min. operations) (at 20 cpm) (Resistive load) 1 Form A 100 mΩ Silver alloy 20 A 250V AC 6,250 V A 250V AC 25 A 2 × 106 105
Characteristics
Max. operating speed (at rated load) Initial insulation resistance*1 Between open Initial breakdown contacts voltage*2 Between contacts and coil Surge voltage between contact and coil*3 Operate time*4 (at nominal voltage) Release time (without diode)*4 (at nominal voltage) Temperature rise (at nominal voltage) Shock resistance 900 mW Vibration resistance Functional*5 Destructive*6 Functional*7 Destructive 20 cpm Min. 1,000 MΩ (at 500 V DC) 1,000 Vrms for 1 min. 5,000 Vrms for 1 min. Min. 10,000 V Approx. 15ms Approx. 15ms 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 5 to 85% R.H. Approx. 23 g .81 oz
Coil
Nominal operating power Remarks
* *1 *2 *3 *4 *5 *6 *7 *8 Specifications will vary with foreign standards certification ratings. Measurement at same location as "Initial breakdown voltage" section. Detection current: 10mA Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981 Excluding contact bounce time. Half-wave pulse of sine wave: 11 ms; detection time: 10 µs Half-wave pulse of sine wave: 6 ms Detection time: 10 µs Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 24).
Conditions for Ambient temp. operation, trans8 port and storage* (Not freezing and Humidity condensing at low temperature) Unit weight
TYPICAL APPLICATIONS
• Air conditioner • Refrigerators • OA equipment
ORDERING INFORMATION
Ex.
Product Name LF
A
LF
1
T
12
Coil voltage, V DC 05: 5 06: 6 09: 9 12: 12 18: 18 24: 24
Contact arrangement 1: 1 Form A
Terminal shape T: TMP type P: PCB type
Note: Standard packing; Carton: 50 pcs. Case 200 pcs. UL/CSA,VDE, TÜV approved type is standard.
40
LF
TYPES
Contact arrangement Coil voltage, V DC 5 6 9 12 18 24 TMP type ALF1T05 ALF1T06 ALF1T09 ALF1T12 ALF1T18 ALF1T24 PCB type ALF1P05 ALF1P06 ALF1P09 ALF1P12 ALF1P18 ALF1P24
1 Form A www.datasheet4u.com
COIL DATA
Nominal voltage, V DC 5 6 9 12 18 24 Pick-up voltage, V DC (max.) 3.5 4.2 6.3 8.4 12.6 16.8 Drop-out voltage, V DC (min.) 0.5 0.6 0.9 1.2 1.8 2.4 Coil resistance, Ω(±10%) 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 5.5 6.6 9.9 13.2 19.8 26.4
0.9
DIMENSIONS
1. TMP type
11.25 .443 12.8 .504 #250 terminal 6.4 .252 2.0 .079 27.6 ±0.1 1.087 ±.004 13.8 ±0.1 .543 ±.004
mm inch PC board pattern (Bottom view)
a. di . 8 ia 1. d 4- 071 . 412.0 ±0.1 .472 ±.004
23.3 .917 0.5 .020 4.0 .157 12.0 ±0.1 .472 ±.004 10.0 ±0.1 .394 ±.004
22.0 .866 27.6 1.087
12.0 .472
Tolerance : ±0.1 ±.004 Schematic (Bottom view)
FASTON 250
30.1 1.185 3 NO COM 4 15.7 .618 1 2
Dimension :
Tolerance
NO COM PC board side
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
PC board pattern (Bottom view)
27.6 ±0.1 1.087 ±.004 13.8 ±0.1 .543 ±.004 23.3 .917 0.5 .020 4.0 .157
a. di . 8 ia 1. d 4- 071 . 40.1 12.0 ± .472 ±.004
22.0 .866 27.6 1.087 30.1 1.185 3 NO COM 4 15.7 .618 1 2
12.0 .472
12.0 ±0.1 .472 ±.004
10.0 ±0.1 .394 ±.004
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
Tolerance : ±0.1 ±.004 Schematic (Bottom view)
NO COM
41
LF
REFERENCE DATA
1. Coil temperature rise
Sample: ALF1T12, 6 pcs. Point measured: coil inside Contact current: 20A Ambient temperature: 25°C 77°F, 60°C 140°F
70 158
25°C 77°F 60°C 140°F
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:
Pick-up and drop-out voltage, V
12
Contact welding: 0 times Miscontact: 0 times
www.datasheet4u.com 60
Temperature rise, °C °F
140 50 122 40 .