Automotive Plug-In / PCB Power Relay PC792A FEATURES Most popular automotive relay 1 A and 1 C contact forms available Contact switching capacity up to 120 Amps 40 Amps continuous carrying capacity Up to 125 degrees C operating temperature Internal diodes or resistors available Sockets available from Picker Components CONTACT RATINGS CONTACT DATA 1 Form A or 1 Form C Normally Open Normally Closed Contact Form Max Switching Current Make 120 Amps Break 40 Amps Break 30 Amps AgSnInO (Silver Tin Indium Oxide) Initial Contact Resistance Service Life 100 milliohms max @ 0.1A, 6VDC 7 Mechanical 1 X 10 Operations Electrical 2 X 10 5 Operations 75 VDC Max. Switching Voltage Max. Continuous Current Make 45 Amps Material 60 Amps (at 20 degrees C) 40 Amps (at 20 degrees C) 40 Amps (at 85 degrees C) 30 Amps (at 85 degrees C) 0.1 A @ 12 VDC Minimum Load CHARACTERISTICS Operate Time 7 ms. typical Release Time 5 ms. typical Insulation Resistance 100 megohms min, at 500VDC, 50%RH Dielectric Strength 500 Vrms, 1 min. between coil and contacts Shock Resistance 20 g, 11ms, functional; 200 g, destructive Vibration Resistance DA 1.27 mm, 10 - 40 Hz; 40-70 Hz: 5 g; DA 0.5mm, 70-100 Hz; 100-500 Hz: 10 g. Drop Resistance 1 Meter height drop on concrete in final enclosure Power Consumption 1.6 W approx. Ambient Temperature Range -40 to 85 degrees C operating, -40 to 125 degrees C for Class F Weight 31 grams approx. ORDERING INFORMATION Example: PC792A -1C -C1 -12 S -RN Model Contact Form 1A, 1C or 1U (1 form A with 2 #87 Terminals) Case Style C: Plug-In; P: PCB; C1: Plastic Bracket; C2: Metal Bkt Coil Voltage Enclosure C: Dust Cover, S: Sealed Case Parallel Component Nil: None; D: Diode; R: Resistor; N: Nickle Plated Terminals 3220 Commander Drive, Suite 102, Carrollton, Texas 75006 Sales: Call Toll Free (888)997-3933 Fax (818) 342-5296 email: [email protected] URL: pickercomponents.com PC792A Rev C 3-7-06 PAGE 1 PC792A PC792A REFERENCE CURVES o Coil Temp Rise Contacts Carrying 40A o AT 20 C o AT 85 C o AT 125 C 11 12 13 14 15 16 Coil Applied Voltage 17 18 Switching Current (Amps) Temperature Rise C o Coil Temperature Rise C 100 o 100 95 90 85 80 75 70 65 60 55 50 Maximum Switching Capacity at 85 C Arc Extinguished Resistive Loads Coil Temp Rise o Ambient Temp 20 C 40A 90 35A 80 30A 70 20A 60 50 100 50 N.O. Contact 30 20 N.C. Contact 10 5 3 2 40 1 11 17 12 13 14 15 16 Coil Applied Voltage 1 18 2 3 5 10 2030 50 100 Switching Voltage(VDC) COIL DATA Resistance Coil Voltage _ 10% ohms + Must Operate Voltage Max. Must Release Voltage Min. Continuous Voltage Max. (VDC) (VDC) (VDC) 3.6 0.6 10.1 22 6 12 90 7.2 1.2 20.5 24 330 14.3 2.4 39.1 Dimensions in Inches (millimeters) Plug-In Type Plug-In Case (C) and PCB Case (P) Bottom View PC Board Layout .665 (16.9) .665 (16.9) .031 (0.8) 87 1.04 (26.5) 87 .315 (8.0) .705 (17.9) .331 (8.4) 87A 86 86 1.04 (26.5) .047 X .094 (1.2 X 2.4) All Holes Form 1U Form 1A Form 1C 87a 87a 30 30 30 87 85 86 (+) (-) 85 30 30 .965 (24.5) 87A 85 .250 (6.3) .453 (11.5) .315 (8.0) .705 (17.9) .331 (8.4) 87 87 85 86 (-) (+) 85 (+) 86 (-) Wiring Diagrams Notes: Tolerances + .010 unless otherwise noted Maximum make current refers to inrush of a lamp load In 85 degree C ambient reduce maximum coil voltage to 72% 3220 Commander Drive, Suite 102, Carrollton, Texas 75006 Sales: Call Toll Free (888) 997-3933 Fax (818) 342-5296 email: [email protected] URL: pickercomponents.com PAGE 2 PC792A PC792A .165 (4.2) .866 (22.0) .236 (6.0) .630 (16.0) .252 Dia. (6.4) .965 (24.5) 1.04 (26.5) 1.04 (26.5) Molded Plastic Bracket (C1) .709 (18.0) .181 (4.6) .252 Dia. (6.4) .591 (15.0) .275 (7.0) .811 (20.6) .236 (6.0) .630 (16.0) .210 Dia. (5.3) 1.78 (45.3) .965 (24.5) 1.04 (26.5) 1.04 (26.5) Metal Bracket (C2) 1.42 (36.0) 1.42 (36.0) Skirted Case with Metal Bracket (C4) .524 (13.3) .409 (10.4) Skirted Case with Bent Metal Bracket (C5) Bent Metal Bracket (C3) 3220 Commander Drive, Suite 102, Carrollton, Texas 75006 Sales: Call Toll Free (888) 997-3933 Fax (818) 342-5296 email: [email protected] URL: pickercomponents.com PAGE 3