date published december 2005 nohp02 printed in japan ? nec tokin corporation 2005 data sheet automotive relays ep2f/ep1f series high heat resistivity description the nec tokin ep2f / ep1f series are pc-board mount type automotive relays suitable for various motor controls and other applications that require a high level of quality and performance. the operate temperature range for ep2f / ep1f series is ?40c through +125c. by this high heat resistivity, the contact carrying current of ep2f / ep1f series at 25c increases 1.3 or 1.4 times compared with that of ep2 / ep1 series. features operating ambient temperature up to +125c (ep2 / ep1 : +85c) suitable for motor and solenoid reversible control high performance and productivity by unique structure flux tight housing applications power window control power sunroof wiper system ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 2 schematic (bottom view) ep2f series ep1f series dimensions mm (inch) ep2f series ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 3 ep1f series pcb pad layout mm (inch) (bottom view) ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 4 specifications at 25 c (77 f) items ep2f ep1f contact form 1 form c 2 (h bridg type and separate type) 1 form c contact material silver oxide complex alloy contact resistance 50 m ? max. (measured at 7 a) initial contact switching voltage 16 vdc max. contact switching current 25 a max. contact carrying current 35 a (2 minutes max. 12 vdc at 25c) 30 a (2 minutes max. 12 vdc at 85c) 25 a (2 minutes max. 12 vdc at 125c) 40 a (2 minutes max. 12 vdc at 25c) 35 a (2 minutes max. 12 vdc at 85c) 30 a (2 minutes max. 12 vdc at 125c) operate time approx. 5 ms (at 12 vdc excluding bounce) initial release time approx. 2 ms (at 12 vdc excluding bounce) initial normal operate power 0.64 w (at 12 vdc) insulation resistance 100 m ? min. (at 500 vdc) initial breakdown voltage 500 vdc min. (for 1 minute) initial shock resistance 98 m / s 2 [approx. 10 g] min. (misoperating) vibration resistance 10 to 300 hz, 43 m/s 2 [approx. 4.4 g] min. (misoperating) ambient temperature ?40 c to +125 c (?40 f to +257 f) coil temperature rise 50 c / w(without contact carrying current) mechanical 1 10 6 operations contact g 1 10 5 operations (at 14 vdc, motor load 25 a / 7 a) at 25 c 1 10 5 operations (at 14 vdc, motor load 18 a / 5 a) at 125 c life expectancy electrical contact l or n 1 10 5 operations (at 14 vdc, motor load 20 a / 3 a) at 25 c 1 10 5 operations (at 14 vdc, motor load 12 a / 2 a) at 125 c weight approx. 15 gr approx. 8 gr coil rating ep2f series at 25 c (77 f) part number h bridge type separate type nominal voltage (vdc) coil resistance ( ? 10%) must operate voltage (vdc max.) must release voltage (vdc min.) nominal operate power (w) ep2f-b3g1 ep2f-b3g 1t 12 225 605 0.9 0.64 ep2f-b3g2 ep2f-b3g 2t 12 225 7.0 0.9 0.64 contact g ep2f-b3g3 ep2f-b3g 3t 12 225 7.5 0.9 0.64 ep2f-b3l1 ep2f-b3l1t 12 225 6.5 0.9 0.64 EP2F-B3L2 EP2F-B3L2t 12 225 7.0 0.9 0.64 contact l or n ep2f-b3l3 ep2f-b3l3t 12 225 7.5 0.9 0.64 ep1f series part number nominal voltage (vdc) coil resistance ( ? 10%) must operate voltage (vdc max.) must release voltage (vdc min.) nominal operate power (w) ep1f-b3g1 12 225 6.5 0.9 0.64 ep1f-b3g2 12 225 7.0 0.9 0.64 contact g ep1f-b3g3 12 225 7.5 0.9 0.64 ep1f-b3l1 12 225 6.5 0.9 0.64 ep1f-b3l2 12 225 7.0 0.9 0.64 contact l or n ep1f-b3l3 12 225 7.5 0.9 0.64 ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 5 numbering system typical application (h bridge type) motor tr1 tr2 stop off off forward on off reverse off on it is necessary to take more than 100 msec intervals for on / off timing between driving tr1 and tr2. if the interval is less than 100 msec, an excessive current happen to flow to the relay contacts. ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 6 technical data coil temperature (ep2f-b3l1) operate time (ep2f-b3l1) release time (ep2f-b3l1) ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series 7 ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
ep2f / ep1f series printed on recycled paper no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec/tokin corporation. nec/tokin corporation assumes no responsibility for any errors which may appear in this document. nec/tokin corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either expr ess, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec/tokin corporation or others. while nec/tokin corporation has been making continuous effort to enhance the reliability of its electronic components, the possibility of defects cannot be eliminated entirely. to minimize risks of damage or injury to persons or property arising from a defect in an nec/tokin electronic com ponent, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-conta inment, and anti-failure features. nec/tokin devices are classified into the following three quality grades: "standard", "special", and "specific ". the specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. the recommended applications of a device depend on its quality grade, as indicated below. cu stomers must check the quality grade of each device before using it in a pa rticular application. standard: computers, office equipment, communicati ons equipment, test and measurement equipment, audio and visual equipment, home electronic appl iances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic cont rol systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) specific: aircrafts, aerospace equipment, submersibl e repeaters, nuclear reac tor control systems, life support systems or medical equipm ent for life support, etc. the quality grade of nec/tokin devices is "standard" unle ss otherwise specified in nec/tokin's data sheets or data books. if customers intend to use nec/tokin devices for applications other than those specified for standard quality grade, they should contact an ne c/tokin sales representative in advance. (note) (1) "nec/tokin" as used in this statement mean s nec/tokin corporation and also includes its majorityowned subsidiaries. (2) "nec/tokin electronic component products" me ans any electronic component product developed or manufactured by or for nec/tokin (as defined above). de0202 ? " m m t q f d j g j d b u j p o t j o u i j t d b u b m p h b o e q s p e v d u j p o t u b u v t p g q s p e v d u t b s f t v c k f d u u p d i b o h f x j u i p v u o p u j d f 1 s j p s u p u i f q v s d i b t f
q m f b t f d p o u b d u / & $ 5 p l j o g p s v q e b u f e q s p e v d u e b u b ? 1 m f b t f s f r v f t u g p s b t q f d j g j d b u j p o t i f f u g p s e f u b j m f e q s p e v d u e b u b q s j p s u p u i f q v s d i b t f ? # f g p s f v t j o h u i f q s p e v d u j o u i j t d b u b m p h
q m f b t f s f b e 1 s f d b v u j p o t b o e p u i f s t b g f u z q s f d b v u j p o t m j t u f e j o u i f q s j o u f e w f s t j p o d b u b m p h 1 & . % % 7 0 - &
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