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| VDE LK-S 250 mW Slim Power Relay LK-S RELAYS 3. High noise immunity realized by the card separation structure between contact and coil 4. Popular terminal pitch in AV equipment field 5. Space-saving slim type Base area: Width 11 x Length 24 mm Width .433 x Length .945 inch 6. Conforms to the various safety standards UL/CSA, VDE, TUV and SEMKO SEV approved FEATURES 24.0 .945 11.0 .433 25.0 .984 mm inch 1. High sensitivity: 250mW The power-saving relay is highly sensitive at the nominal operating power of 250 mW (530 mW power consumption on LK relays). 2. High insulation resistance between contact and coil 1) Creepage distance and clearances between contact and coil: Min. 6 mm .236 inch (In compliance with IEC65) 2) Surge withstand voltage between contact and coil: 10,000 V or more 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 (min. operations) Electrical (at 20 cpm) (at rated load) 1 Form A Max. 100 m Silver alloy 5 A 277 V AC 1,385 V A 277 V AC 5 A (AC) 106 105 Characteristics Max. operating speed Initial insulation resistance*1 Between open contacts Between contact and coil Initial surge voltage between contact and coil*3 Operate time*4 (at nominal voltage) Release time (without diode)*4 (at nominal voltage) Initial *2 breakdown voltage Temperature rise (at 70C) 250 mW Shock resistance Functional*5 Destructive*6 Functional*7 Vibration resistance Destructive Conditions for operation, transport and storage*8 (Not freezing and condensing at low temperature) Unit weight Ambient temp. Humidity Air pressure 20 cpm (at rated load) Min. 1,000 M (at 500 V DC) 1,000 Vrms for 1 min. 4,000 Vrms for 1 min. Min. 10,000 V Approx. 7 ms (at 20C 68F) Approx. 2 ms (at 20C 68F) Max. 35C with nominal coil voltage and at 5 A contact carrying current (resistance method) 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 -40C to +70C -40F to +158F 5 to 85% R.H. 86 to 106 kPa Approx. 12 g .42 oz Coil Nominal operating power 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 x 50s according to JEC-212-1981 *4 Excluding contact bounce time. *5 Half-wave pulse of sine wave: 11 ms; detection time: 10 s *6 Half-wave pulse of sine wave: 6 ms *7 Detection time: 10 s *8 Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 24). TYPICAL APPLICATIONS * Audio visual equipment * Office equipment * Home appliances ORDERING INFORMATION Ex. LKS Contact arrangement 1a: 1 Form A 1a F - 12V Coil voltage(DC) 5, 9, 12, 24V Protective construction F: Flux-resistant type UL/CSA, TUV, SEMKO, TV-5 approved type is standard. Notes 1. Standard packing Carton: 100 pcs. Case: 500 pcs. 2. 6 V, 18 V DC types are also available. Please consult us for details. 53 LK-S TYPES AND COIL DATA (at 20C 68F) Part No. LKS1aF-5V LKS1AF-9V LKS1aF-12V LKS1aF-24V Nominal voltage, V DC 5 9 12 24 Pick-up voltage, V DC (max.) (Initial) 3.5 6.3 8.4 16.8 Drop-out voltage, V DC (min.) (Initial) 0.5 0.9 1.2 2.4 Coil resistance, (10%) 100 324 576 2,304 Nominal operating current, mA (10%) 50 27.8 20.8 10.4 Nominal operating power, mW 250 250 250 250 Maximum allowable voltage, V DC (at 20C 68F) 6.5 11.7 15.6 31.2 mm inch PC board pattern (Bottom view) 2-0.9 dia 2-.035 dia Max. 25.0 .984 0.5 .020 4 .157 0.4 .016 1.0 .039 7.5 .295 20.0 .787 16.5 .650 2-1.3 dia 2-.051 dia 7.5 .295 20.0 .787 DIMENSIONS 0.5 dia. .020 dia. 1.65 .065 0.3 .012 Max. 24.0 .945 16.5 .650 Tolerance: 0.1 .004 Schematic (Bottom view) Max. 11.0 .433 Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: General tolerance 0.1 .004 0.2 .008 0.3 .012 REFERENCE DATA 1. Max. switching power (AC resistive load) 2. Coil temperature rise Sample: LKS1aF-12V, 6 pcs. Point measured: coil inside Contact current: 0 A, 5A 100 30 25 20 15 10 5 0 70C 5A 70C 0A Coil applied voltage, %V 20C 5A 20C 0A Temperature rise, C Contact current, A 3. Ambient temperature characteristics and coil applied voltage Contact current: 5 A 500 400 Allowable ambient temperatures against % coil voltages (max. inside the coil temperature set as 115C 239F) 10 5 300 200 Cold start 100 Pick-up voltage 1 0 10 100 Contact voltage, V 0 80 100 120 0 0 10 20 30 40 50 60 70 80 Coil applied voltage, %V Ambient temperature, C 4. Life curve Operation frequency: 20 times/min. (ON/OFF = 1.5s: 1.5s) Ambient temperature: Room temperature 100 Life, x104 250V AC resistive load 10 1 0 1 2 3 4 5 Contact current, A 54 LK-S 5-(1). Electrical life test (5 A 277 V AC, resistive load) Sample: LKS1aF-12V, 6 pcs. Operation frequency: 20 times/min. (ON/OFF = 1.5s: 1.5s) Ambient temperature: 20C 68F Change of pick-up and drop-out voltage 12 Pick-up and drop-out voltage, V 10 Pick-up voltage 8 6 4 Drop-out voltage 2 0 0 Max. x Min. 5 No. of operations, x104 10 Max. x Min. Change of contact resistance 50 45 Contact resistance, m 40 35 30 25 20 15 10 5 0 0 5 No. of operations, x104 10 Max. x Min. Circuit: Contact welding detection and Miscontacting detection circuit 277V AC 12V DC 5-(2). Electrical life test (UL lamp load test TV-5) Tested sample: LKS1aF-12V, 6 pcs. * Overload test Load: 7.5 A 120 V AC (60 Hz), Inrush: 111 A Operation frequency: 10 times/min (ON: OFF = 1 s: 5 s) No. of operations: 50 ope. * Endurance test Load: 5A 120 V AC (60 Hz), Inrush: 78 A Operation frequency: 10 times/min (ON: OFF = 1 s: 5 s) No. of operations: 25,000 ope. Change of pick-up and drop-out voltage 12 Pick-up and drop-out voltage, V Change of contact resistance 50 45 Contact resistance, m 10 8 6 4 Drop-out voltage 2 0 0 No. of operations, x104 Max. x Min. 2.5 Pick-up voltage Max. x Min. 40 35 30 25 20 15 10 5 0 0 No. of operations, x104 Max. x Min. 2.5 For Cautions for Use, see Relay Technical Information (Page 11 to 39). 55 |
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