TV-8 rated. LK-T RELAYS 1 Form A 5A power relays FEATURES TYPICAL APPLICATIONS 1. High inrush current capability Audio visual equipment 1) Operating load capability: Flat TVs and audio equipment, etc. inrush 118 A, steady 8 A Ofce equipment 2) UL/C-UL TV-8 approved Home appliances 2. Long insulation distance 1) Creepage distance and clearances between contact and coil: Min. 6 mm .236 inch (In compliance with IEC60065) 2) Surge withstand voltage between RoHS compliant contact and coil: 10,000 V or more 3. Conforms to the various safety Protective construction: Flux-resistant standards type UL/C-UL, TV, and SEMKO approved ORDERING INFORMATION LKT 1a F LK-T relay Contact arrangement 1a: 1 Form A Protective construction F: Flux-resistant type Nominal coil voltage (DC) 5V, 9V, 12V, 24V Notes: Certified by UL/C-UL, TV and SEMKO TYPES Contact arrangement Nominal coil voltage Part No. 5V DC LKT1aF-5V 9V DC LKT1aF-9V 1 Form A 12V DC LKT1aF-12V 24V DC LKT1aF-24V Standard packing Carton: 100 pcs. Case: 500 pcs. Note: 3 V, 6 V and 18 V DC types are also available. Please consult us for details. RATING 1. Coil data Nominal operating Nominal coil Pick-up voltage Drop-out voltage Coil resistance Nominal operating Max. applied voltage current voltage (at 20C 68F) (at 20C 68F) 10% (at 20C 68F) power (at 20C 68F) 10% (at 20C 68F) 5V DC 50.0mA 100 6.5V DC 70%V or less of 10%V or more of 9V DC 27.8mA 324 11.7V DC nominal voltage nominal voltage 250mW 12V DC 20.8mA 576 15.6V DC (Initial) (Initial) 24V DC 10.4mA 2,304 31.2V DC ASCTB201E 201605-T 1LK-T 2. Specications Characteristics Item Specications Arrangement 1 Form A Contact Contact resistance (Initial) Max. 100 m (By voltage drop 6 V DC 1A) Contact material AgSnO2 type Nominal switching capacity (resistive load) 5A 277V AC Max. switching power (resistive load) 1,385VA Rating Max. switching voltage 277V AC Max. switching current 8A (AC) 1 Min. switching capacity (reference value)* 100mA, 5V DC Insulation resistance (Initial) Min. 1,000M (at 500V DC) Measurement at same location as Breakdown voltage section. Between open contacts 1,000 Vrms for 1 min. (Detection current: 10 mA) Breakdown voltage (Initial) Between contact and coil 4,000 Vrms for 1 min. (Detection current: 10 mA) 2 Surge breakdown voltage* Electrical 10,000 V (Between contact and coil) (Initial) characteristics Operate time (at nominal voltage) (at 20C 68F) Max. 15 ms (excluding contact bounce time.) (Initial) Release time (at nominal voltage) (at 20C 68F) Max. 5 ms (excluding contact bounce time) (Without diode) (Initial) 2 Functional 200 m/s (Half-wave pulse of sine wave: 11 ms detection time: 10s.) Shock resistance 2 Destructive 1,000 m/s (Half-wave pulse of sine wave: 6 ms.) Mechanical characteristics Functional 10 to 55 Hz at double amplitude of 1.5 mm (Detection time: 10s.) Vibration resistance Destructive 10 to 55 Hz at double amplitude of 1.5 mm 6 Mechanical (at 180 times/min.) Min. 10 Expected life 5 Electrical (at 20 times/min.) Min. 10 (ON: 1.5s, OFF: 1.5s, at nominal switching capacity) Ambient temperature: 40C to +70C 40F to +158F, 3 Conditions for operation, transport and storage* Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature), Conditions Air pressure: 86 to 106kPa Max. operating speed 20 times/min. (at nominal switching capacity) Unit weight Approx. 12 g .42 oz Notes: *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. *2. Wave is standard shock voltage of 1.250s according to JEC-212-1981 *3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage conditions in NOTES. REFERENCE DATA 1. Max. switching power (AC resistive load) 2. Coil temperature rise 3. Ambient temperature characteristics and coil Sample: LKT1aF-12V, 6 pcs. applied voltage Point measured: coil inside Contact current: 0 A, 8A 100 30 300 Allowable ambient temperatures 20C 8A against % coil voltages 20C 0A (max. inside the coil temperature 25 set as 115C 239F) 70C 8A 70C 0A 10 20 200 Carrying current: 8A 5 15 Pick-up voltage (hot start) 1 10 100 Pick-up voltage (cold start) 5 0 0 0 10 100 0 80 100 120 0 20 40 60 80 100 120 Contact voltage, V Coil applied voltage, %V Ambient temperature, C 4-(1). Electrical life test Change of pick-up and drop-out voltage Change of contact resistance (5 A 277 V AC, resistive load) 12 50 Sample: LKT1aF-12V, 6 pcs. 45 Operation frequency: 20 times/min. 10 (ON/OFF = 1.5s: 1.5s) 40 Ambient temperature: 20C 68F Pick-up voltage Max. 35 8 x 30 Circuit: Min. 6 25 Max. 20 Contact welding 4 detection 15 and Mis- x 277V AC Drop-out voltage contacting 10 12V DC Max. detection 2 x circuit 5 Min. Min. 0 0 0 510 0 5 10 4 4 No. of operations, 10 No. of operations, 10 ASCTB201E 201605-T 2 Contact current, A Pick-up and drop-out voltage, V Temperature rise, C Contact resistance, m Coil applied voltage, %V