78 AUTOMOTIVE POWER RELAY FEATURES l High performance l Small Size l Light Weight l Enclosed l Rubber Boot & Coupler Available APPLICATION l Starter Motor l Defogger l Radiator Fan l A/C Controls TECHNICAL DATA FOR CONTACT SIDE : Areas of Application RESISTIVE / INDUCTIVE LOAD Contact Configuration : 1A Contact Material : Silver Nickel Contact Rating at 23 C - 12VDC : 22A Electrical Life Operations Min. : 2 x 105 Mechanical Life Operations Min. : 1 x 106 Contact Voltage Drop at 10 A : 100mV : 200A 0 Ma ximum Switching Current @ 12.8 VDC For 3 Sec. GENERAL DATA FOR COIL SIDE Nominal Coil Power : 1.44W (Approx) Operating Power : 0.92W (Approx) Operate Time* : 10 milli Seconds Release Time* : 5 milli Seconds CIRCUIT DIAGRAM * At nominal voltage without coil suppression (excluding bounce) OPERATING CONDITIONS Ambient Temperature : -300C to +850C Ma ximum Temperature : 1550C Dielectric Strength : 750VRMS Insulation Resistance : 100 Meg Ohms Min. At 500 VDC, 250C RH 50 Vibration Resistance (without change in the switching state>10µS) : 10-500Hz 20g Shock Resistance (without change in the switching state>10µS) : 20g, 8mS * R * parallel resistor or diode optional HOW TO ORDER 0 - XXX Product Series Specialities if any 12 7.2 1.2 100 24 14.8 2.4 320 0 0 Coil Resistance 12 at 20 C Ohms ± 10% - Drop-out Voltage (Min) 1A **Pick-up Voltage VDC (Ma x) - Nominal Voltage VDC 78 COIL DATA Contact Arrangement 1A : 1 Form A E - Sealed 0 - Without Sealing 1 - with resistor in parallel 0 - without resistor Nominal Voltage (Refer Coil Data) **Lower pick-up Voltages available on request DIMENSIONS 22.00 15.05 11.0 17.50 7.0+0.1 27.00 17.00 3.0 18.00 17.00 2.4 8.0 6.00 9.0 22.00 MECHANICAL DATA COVER RETENTION Pull : 20KgF Push : 20KgF TERMINAL STRENGTH Pull : 10KgF Push : 10KgF Plug-in Force : 12.25KgF Removal Force : 11.35KgF AVAILABLE ON REQUEST l High temperature winding wire l Special coil resistance & pick-up l Resistor / diode across coil l For other custom solutions consult factory DATA ON VARIOUS TESTS CONDUCTED FOR OPERATING CONDITIONS * TEST TEST CONDITION RESULT 0 Relay kept at 100 C Coil Voltage : 14 VDC Load given : 20 A @ 12 VDC Continuous Energisation test at Ex treme temperature Conditions Duration : 5 Sec. On, 5 Sec. OFF Relays successfully completed 100000 operations at given load No. of operation : 50000 0 The above test repeated at - 30 C for 50000 operations Relay subjected to :0 0 -30 C to + 100 C in 2 Hrs. with coil ON 0 Thermal cycling +100 C for 2 Hrs. with coil ON 0 0 +100 C to - 30 C in 2 Hrs. with 1 Hrs. Coil ON & 1 Hrs. Coil OFF All operating parameters within the specifications af ter test 0 -30 C for two Hrs. with Coil ON No. of Cycles : 3 Relay is subjected to :Ma x. Voltage : 100VDC Shock Voltage Shock Wave : Exponential Damping vibration Time : 500 micro Sec. Af ter the test, all operating parameters of the relay are within specification. Period : 30 Sec. Test Time : 10 Hrs. Dropping Impact Jump Start Water Resistance test AS per JIS D 0203 R2 Relays dropped from a height of 1 Meter to a concrete floor 24 VDC for 1 minute conducting normal current 0 at 23 C Horizontal Plane:23rev. / Min. Water Pressure:0.03 Mpa Test time:10 Min *Typical values for relays with 12 VDC coll. For higher severity please consult factory No change in operating parameters of the relay. Withstood successfully No water ingression inside the relay