photocoupler features ? ttl compatible output ? collector-emitter voltage : min.50v ? current transfer ratio : typ.100% (at if=5ma, vce=5v) ? electrical isolation voltage : ac5000vrms ? ul recognized file no. e107486 ? k4n25g - no base connection, K4N25H - with base connection applications ? interface between two circuits of different potential ? vending machine, copiers ? measuring instrument ? home appliances maximum ratings (ta=25 ? ) ** except for k4n25g *1. input current with 100 ? pulse width, 1% duty cycle *2. measured at rh=40~60% for 1min *3. 1/16 inch form case for 10sec k4n25g ? K4N25H these photocouplers cosist of a gallium arsenide infrared emitting diode and a silicon npn phototransistor in a 6-pin package. emitter-base breakdown voltage** lead soldering temperature *3 t sol 260 ? operating temperature t opr -30~+100 ? bv ebo 6 storage temperature t stg -55~+125 ? input to output isolation voltage *2 v iso ac5000 v rms collector power dissipation p c 150 mw v v v collector current i c 50 ma v output collector-emitter breakdown voltage bv ceo 50 emitter-collector breakdown voltage bv eco 6 collector-base breakdown voltage** bv cbo 80 ma v a power dissipation p d 70 mw reverse voltage vr 5 peak forward current *1 i fp 1 parameter symbol rating unit input forward current i f 50 total power dissipation p tot 200 mw dimension (unit : mm) 1/3 6 . 4 0 . 2 5 8 . 9 0 . 2 5 2 . 5 4 0 . 2 5 1 2 3 1 . 2 0 . 5 3 . 8 0 . 2 5 2 . 7 m i n . 0 . 5 1 m i n . 7 . 6 2 0 . 2 5 6 . 4 0 . 2 5 0 - 1 5 6 5 4 o r i e n t a t i o n m a r k 3 6 5 4 4 5 6 1 2 1 2 3 p i n n o . and iniernal c o n n e c i o n d i a g r a m k 4 n 2 5 g k 4 n 2 5 h
photocoupler electro-optical characteristics (ta=25 ? , unless otherwise noted) i f =10ma vr=5v v=0, f=1mhz i c =0.5ma i e =0.1ma i c =0.1ma i e =0.1ma i f =0, v ce =10v v ce =0, f=1mhz i f =5ma, i c =1ma v=0, f=1mhz v cc =10v, r l =100 ? i c =2ma ** except for k4n25g *4. ctr=(i c /i f ) x 100 (%) vbv ebo 6 - - ctr i f =5ma, v ce =5v rh=40~60%, v=500v bv ceo v ce(sat) bv eco bv cbo coupled rise time fall time condition tf c t - 30 50 3 10 11 - - 10 - typ. 1.15 v k4n25 g ? k4n25 h parameter min. - unit. pf ? - - 0.4 - - ? 3 - max. 1.30 - - symbol v f - tr - r io - 1 - 50 600 ? - - - pf % v pf v v v 80 - - - 6 input output forward voltage capacitance collector-emitter breakdown voltage emitter-collector breakdown voltage emitter-base breakdown voltage ** c ce c io collector-base breakdown voltage ** input-output isolation resistance input-output capacitance capacitance current transfer ratio *4 collector-emitter saturation voltage i r - - 10 ma collector dark current i ceo - - 100 na reverse current 2/3
p h o t o c o u p l e r k4n25g ? K4N25H 3 / 3 a m b i e n t t e m p e r a t u r e t a ( ? ) f o r w a r d c u r r e n t v s . a m b i e n t t e m p e r a t u r e 0 - 2 0 0 2 0 f o r w a r d c u r r e n t i f ( m a ) 1 0 2 0 4 0 3 0 5 0 4 0 6 0 1 0 0 0 . 1 0 . 1 l o a d r e s i s t a n c e r l ( ? ) 1 1 0 r e s p o n s e t i m e v s . l o a d r e s i s t a n c e r e s p o n s e t i m e t r , t f ( s ) 1 0 1 0 0 8 0 d a r k c u r r e n t i c e o ( ? ) a m b i e n t t e m p e r a t u r e t a ( ? ) 0 0 . 0 0 1 0 . 0 1 4 0 2 0 0 . 1 1 8 0 6 0 1 0 0 d a r k c u r r e n t v s . a m b i e n t t e m p e r a t u r e c o l l e c t o r p o w e r d i s s i p a t i o n v s . a m b i e n t t e m p e r a t u r e c o l l e c t o r p o w e r d i s s i p a t i o n p c ( m w ) - 2 0 0 5 0 1 0 0 1 5 0 2 0 0 2 5 0 a m b i e n t t e m p e r a t u r e t a ( ? ) 2 0 0 6 0 4 0 1 0 0 8 0 o u t p u t i n p u t t e s t c i r c u i t v i n r r l v o v c c w a v e f o r m 1 0 % 9 0 % s w i t c h i n g t i m e t e s t c i r c u i t t r t f 1 5 0 0 v c e = 2 4 v v c e = 1 0 v t r t f v c e = 5 v i c = 2 m a t a = 2 5 ? f o r w a r d v o l t a g e v f ( v ) 2 0 0 0 . 4 1 0 0 1 2 0 1 4 0 6 0 4 0 8 0 f o r w a r d c u r r e n t i f ( m a ) 1 . 2 0 . 8 1 . 6 t a = 7 0 ? t a = 2 5 ? t a = - 5 5 ? f o r w a r d c u r r e n t v s . f o r w a r d v o l t a g e 2 . 0 i f = 2 0 m a c o l l e c t o r c u r r e n t v s . a m b i e n t t e m p e r a t u r e i f = 1 m a a m b i e n t t e m p e r a t u r e t a ( ? ) - 2 0 0 0 4 0 2 0 6 0 1 0 0 1 0 c o l l e c t o r c u r r e n t i c ( m a ) 1 i f = 5 m a i f = 1 0 m a 8 0 t a = 2 5 ? v c c = 1 0 v c o l l e c t o r c u r r e n t i c ( m a ) f o r w a r d c u r r e n t i f ( m a ) 0 . 1 0 . 0 0 1 1 0 . 0 1 0 . 1 1 1 0 1 0 1 0 0 c o l l e c t o r c u r r e n t v s . f o r w a r d c u r r e n t 1 0 0 t a = 2 5 ? c o l l e c t o r c u r r e n t v s . c o l l e c t o r - e m i t t e r v o l t a g e 1 0 c o l l e c t o r c u r r e n t i c ( m a ) 0 3 0 2 0 4 0 c o l l e c t o r - e m i t t e r v o l t a g e v c e ( v ) 2 4 6 1 0 i f = 1 m a 8 i f = 2 0 m a i f = 3 0 m a i f = 1 0 m a i f = 5 m a p c ( m a x . )
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