? all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. ? please request for a specifcation sheet for detailed product data prior to the purchase. ? before using the product in this catalog, please read precautions and other safety precautions listed in the printed version catalog. 2006.03.24 p0515emdd03vol02e 4 au t omotive relays ep2 series features ? t win relay for motor and solenoid reversible control ? 50% less relay space than conventional two relays ? contact switching current of 30 a max. ? h igh performance and productivity by unique symmetrical structure ? flux tight housing ? delivered in stick-tube for automatic insertion machine ? w ashable type available part numbers and coil ratings at 20 c (68 f) pa rt number nominal coil nominal must operate must release nominal h bridge separate voltage resistance current voltage voltage operate power t ype type (vdc) ( ? 10%) (ma) (vdc) (vdc) (w) ep2-3n1s ep2-3n1st 12 225 53.3 6.5 0.9 0.64 ep2-3n2s ep2-3n2st 12 225 53.3 7.0 0.9 0.64 ep2-3n3s ep2-3n3st 12 225 53.3 7.5 0.9 0.64 ep2-4n3s ep2-4n3st 12 300 40.0 7.5 0.9 0.48 EP2-4N4S EP2-4N4St 12 300 40.0 8.0 0.9 0.48 ep2-4n5s ep2-4n5st 12 300 40.0 8.5 0.9 0.48 part number system figure 1 contact resistance* ep2f-b3g1st nii : standard type b : high current type 3 : 225 ? 10 % 4 : 300 ? 10 % l : silver oxide complex alloy type i n : silver oxide complex alloy type ii g : silver oxide complex alloy type iii (high current type) carrying current capacity coil resistance (at 20 c) contact material type enclosure must operate voltage (at 20 c) wiring nii : h bridge type t : separate type nii : unsealed s : sealed 1 : 6.5 v 2 : 7.0 v 3 : 7.5 v 4 : 8.0 v 5 : 8.5 v nii : standard type f : high heat resistivity type heat resistivity ? h bridge (rout a) ? h bridge (rout b) ? separate (n/c) ? separate (n/o) a a b b
? all specifcations in this catalog and production status of products are subject to change without notice. prior to the purchase, please contact nec tokin for updated product data. ? please request for a specifcation sheet for detailed product data prior to the purchase. ? before using the product in this catalog, please read precautions and other safety precautions listed in the printed version catalog. 2006.03.24 p0515emdd03vol02e au t omotive relays 5 dimensions mm (inch) [h bridge type] [separate (t) type] pcb pad layout and schematics (bottom view) mm (inch) [h bridge type] [separate (t) type] specifications at 20 c (68 f) items specification ep2- (standard) ep2-b (high current) contact form 1 form c 2 (h bridge type or separate type) contact material silver oxide complex alloy (special types available) contact resistance h bridge (rout a): 10.7 m ? typ. h bridge (rout a): 6.7 m ? typ. (* figure 1) h bridge (rout b): 10.4 m ? typ. h bridge (rout b): 6.4 m ? typ. separate (n/c): 5.2 m ? typ. separate (n/c): 3.2 m ? typ. (measured by voltage drop at 6vdc, 7a) separate (n/o): 5.2 m ? typ. separate (n/o): 3.2 m ? typ. contact switching voltage 16 vdc max. 5 vdc min. contact switching current 30a max. (at 16 vdc) 1a min. contact carrying current 25a (12 vdc, 20 c) 30a (12vdc, 20 c) (2 minutes max.) 20a (12 vdc, 85 c) 25a (12vdc, 85 c) operate time approx. 5 ms (at 12 vdc) release time approx. 7 ms (at 12 vdc), with diode nominal operate power 0.48 w/0.64 w (at 12 vdc) insulation resistance 100 m ? min. at 500 vdc, initial breakdown voltage 500 vac min. for 1 minute, initial shock resistance 98 m/s 2 min. (misoperating) vibration resistance 10 to 300 hz, 43 m/s 2 min. (misoperating) ambient temperature ?40 c to +85 c (?40 f to +185 f) coil temperature rise 50 c/w (contact carrying current 0 a) life expectancy mechanical 1 10 6 operations electrical 1 10 5 operations (at 14 vdc, motor load 25 a/5 a) w eight approx. 15 g *4- 0.6 ( 0.02) 23.8 0.5 (0.94) 16.2 0.5 (0.64) 16.0 0.5 (0.63) (0.15) 0.5(0.02) *2-0.5 1.1(0.02 0.04) 5.45 (0.21) 2.2 (0.09) 3.5 8.0 (0.14) (0.31) 10.1 (0.4) 5.45 6.4 (0.21) (0.25) *2-1.3 1.3 (0.05 0.05) 10.1 (0.4) 8.0 (0.31) 3.5 (0.14 ) 3.1(0.12) 2.2(0.09) *4- 0.6 ( 0.02) 23.8 0.5 (0.94) 16.2 0.5 (0.64) 16.0 0.5 (0.63) (0.15) 0.5(0.02) *4-0.5 1.1(0.02 0.04) 5.45 (0.21) 2.2 (0.09) 3.5 8.0 (0.14) (0.31) 10.1 (0.4) 5.45 6.4 (0.21) (0.25) *2-1.3 1.3 (0.05 0.05) 10.1 (0.4) 8.0 (0.31) 3.5 (0.14 ) 2.2(0.04) 3.1(0.12) 3.1 (0.12) 6.4 (0.25) *3.8 +1.0 ?0.5 *3.8 +1.0 ?0.5 * after soldering 4- 1.1 ( 0.043) + 0.1 ? 0 2- 1.9 ( 0.075) + 0.1 ? 0 2 3 1 4 5 6 7 8 (side a) (side b) 2- 1.5 ( 0.059) + 0.1 ? 0 4- 1.1 ( 0.043) + 0.1 ? 0 2- 1.9 ( 0.075) + 0.1 ? 0 2 3 1 4 6 7 8 (unit a) (unit b) 4- 1.5 ( 0.059) + 0.1 ? 0 9 5 10
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