DG91 micro 280 automotive relay • Industry Standard micro 280 relay • Up to 120A 12VDC inrush capability • 2.8mm QC terminals • -40° to 125°C • RoHS & ELV Compliant Contacts Contact number & arrangement SPST-NO (1 Form A); SPDT (1 Form C) Contact material AgSnOInO Max. switching voltage DC 27VDC Rated load (max. continuous current) DC1 30A/12VDC (Normally open); 20A/12VDC (Normally closed) Max/Rated Current Load Voltage VDC Load Type Resistive On/Off Motor 13.5 Lamp 27 SPDT SPST-NO NO NC NO 30 20 30 On 40 20 40 Off 20 10 20 On 100 - 120 Off 20 - 20 20 10 20 Resistive On/Off On/Off Ratio Diagram 1 2 2s/2s 3 Diagram 1 Diagram 2 Diagram 3 1 Minimum load 0.5A/12VDC Initial resistance 50mΩ, max. at 0.1A/24VDC Coil Rated voltage DC 12 & 24V - see coil details - Table 1 Rated power consumption DC Approx. 1.5W SPDT; 1.7W with resistor Insulation Insulation resistance Dielectric strength 100MΩ at 500VDC, 50%RH coil to contact 550Vrms, 1min contact to contact 550Vrms, 1min General Data Operating time (typical) ms 5 (10ms max.) Release time (typical) ms 5 (10ms max.) Electrical Life2 ops 1 x 105 Mechanical life ops 1 x 107 Dimensions Weight L x W x H 23.0 x 15.5 x 26.0 mm (excluding terminals) 20g approx. Ambient temperature storage -40 to 155°C operating -40 to 125°C Shock resistance Functional: 20g 11ms (196m/s2) Destructive: 100g Vibration resistance 10Hz - 500Hz 49m/s2 (5g) Page 1 of 3 Ref: DG91 091014JHM www.aecsensors.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE. DG91 micro 280 automotive relay Coil Data Table 1 Coil Voltage Code Nominal Voltage (VDC) Coil Resistance (Ω) ±10% Must Operate Voltage Max. (VDC) Must Release Voltage min. (VDC) Parallel Resistor (optional) (Ω) Equivalent Resistance (Ω) Power (W) Resistor/ No Resistor 1012 12 98 7.2 1.2 680 85.7 1024 24 385 14.4 2.4 2700 337 Max. allowable Overdrive (VDC) 23°C 85°C 1.5 / 1.7 20 15 1.5 / 1.7 40 30 Ordering codes Contact material Type D G 9 1 - 7 Contact arrangement 0 Cover protection and mounting - Coil code Options - - Contact material 70 - AgSnOInO See Table 1 Contact arrangement 11 - SPDT (1 C/O, 1 Form C) 21 - SPST-NO (1N/O, 1 Form A) Cover protection category 3 - in cover, sealed - IP67 7 - in cover, dust cover - IP54 Connection mode 6 - Flat Blades 2.8mm QC’s Options Nil - No option R - Resistor (see Table 1 for values) D - Diode (+85 / -86) DR - Diode reversed (-85 / + 86) - standard BD - Bidirectional diode Page 2 of 3 Ref: DG91 091014JHM www.aecsensors.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE. DG91 micro 280 automotive relay Overall Dimensions Fig. 1 LKK LKK DG91-7021-36-1012-R DG91-7011-36-1012-R Bottom View Dimensions in mm Wiring Diagrams Fig. 2 SPST-NO (1 Form A) SPDT (1 Form C) Notes: 1: All parameters, unless otherwise specified, are measured at ambient temperature of 23ºC. 2: Electrical life obtained at resistive or inductive load at 40A, 15VDC with suitable arc suppression circuit attached and with operating frequency of 1 op/sec. 3: Maximum make current refers to lamp load inrush current. Page 3 of 3 Ref: DG91 091014JHM American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516 www.aecsensors.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE.