SONG CHUAN 303 Features Ultra Micro ISO Automotive relay. High Rating up to 20A. High Temperature withstand up to 125 ambient. General Purpose for Automotive applications. Comply with RoHS-Directive 2002/95/EC, and ELV- Directive 2000/53/EC. Type List Contact Designation Enclosure style Terminal style form (provided with) Flux tight Sealed type washable 303-1AH-C ---------- 303-1AH-S 1A Socket terminal 303-1AH-C-R1 Resistor 303-1AH-S-R1 (SPNO) Diode 303-1AH-C-D1 303-1AH-S-D1 Ordering Information 303 - 1A H - C - R1 1 2 3 4 5 1. 303 -- Basic series designation 5. Blank -- Standard type R1 -- Coil parallel with 1/2W resistor for 2. 1A -- Single pole normally open 12V 1.1K 7 , 24V 4.3K 7 D1 -- Coil parallel with diode IN4007 the 3. H -- Contact material AgSnO positive pole on 85 terminal 4. C -- Flux tight S -- Sealed type washable Contact Rating Resistive 20A 14VDC, 10A 28VDC, 100K ops. 16A 14VDC Inrush 80A ON 2s / OFF 5s, -30 +80 , 300K ops. Motor Lamp 16A 14VDC Inrush 80A ON 3s / OFF 3s, -30 +100 , 100K ops. Coil Rating (DC) Rated Rated Rated current Coil resistance Max continuous Pick up Drop out Power consumption Voltage 10 % at 23 C 10 % at 23 C voltage voltage(Max)voltage(Min) at rated (V) (mA) (7 ) at 85C at 23C at 23 C voltage 12 80 150 133 % of 60 % of 8 % of 24 600 40 rated rated rated approx. 0.96W voltage voltage voltage 281 SONG CHUAN 303 Specification Contact material AgSnO alloy (1) Contact voltage drop Typ. 50mV at 10A (1) Operate time 10 ms Max. (1) Release time 10 ms Max. (1) Insulation resistance 20 M 7 Min. (DC 500V) Between open contact : AC 500V, 50/60Hz 1 min. (1) Dielectric strength Between contact and coil : AC 500V, 50/60Hz 1 min. 10 500Hz , 5.0G Operating extremes Vibration resistance Damage limits 10 500Hz , 5.0G Operating extremes 10G Shock resistance Damage limits 100G 10,000,000 operations Life expectancy Mechanical (frequency 18,000 operations/hr) -40 ~ +125 C (no freezing) Operating ambient temperature Weight Approx. 20 g Note : (1) initial value Outline Dimensions 15 16 (0.630) (0.591) 0.8X4 (0.031) 8.1 (0.319) 87 85 86 30 Wiring Diagram BOTTOM VIEW D1 R1 (-) 87 85 87 85 87 85 86 30 86 30 86 30 (+) 282 7.8 11 23.7 (0.307) (0.433) (0.933)