s m d ty p e d i o d e s f e a tu r e s s m a l l p l a s t i c s m d p a c k a g e . h i g h s w i t c h i n g s p e d : m a x . 4 n s . r e p e t i t i v e p e a k f o r w a r d c u r r e n t : m a x . 4 5 0 m a . e l e c t r i c a l c h a r a c t e r i s ti c s t a = 2 5 i f v m 5 1 7 a m 1 = i f v m 5 5 8 a m 0 1 = i f v 1 a m 0 5 = i f v 5 2 . 1 a m 0 5 1 = v r 1 v 5 7 = v r =2 5 v ; t j = 1 5 0 3 0 a v r =7 5 v ; t j = 1 5 0 5 0 c e c n a t i c a p a c e d o i d d v r f p 5 . 1 z h m 1 = f , v 0 = t e m i t y r e v o c e r e s r e v e r r r w h e n s w i t c h e d f r o m i f = 1 0 m a t o i r = 1 0 m a ; r l = 1 0 0 ; m e a s u r e d a t i r = 1 m a 4 n s f o r w a r d r e c o v e r y v o l t a g e v f r i f v 5 7 . 1 s n 0 2 = r t , a m 0 1 = v f i r f o r w a r d v o l t a g e r e v e r s e c u r r e n t a b s o l u t e m a x i m u m r a t i n g s t a = 2 5 t i n u g n i t a r l o b m y s r e t e m a r a p v e g a t l o v e s r e v e r k a e p e v i t i t e p e r r r m 8 5 v v e g a t l o v e s r e v e r s u o u n i t n o c r 7 5 v c o n t i n u o u s f o r w a r d c u r r e n t ( s i n g l e d i o d e l o a d e d * ) ------------------------- - - - - - - - - ( d o u b l e d i o d e l o a d e d * ) i f 2 1 5 1 2 5 m a i t n e r r u c d r a w r o f k a e p e v i t i t e p e r f r m 4 5 0 m a n o n - r e p e t i t i v e p e a k f o r w a r d c u r r e n t t j = 2 5 t = 1 s 4 t = 1 m s 1 t = 1 s 0 . 5 p * n o i t a p i s s i d r e w o p d 2 5 0 m w t h e r m a l r e s i s t a n c e f r o m j u n c t i o n t o t i e - p o i n t r t h j - t p 3 6 0 k / w t h e r m a l r e s i s t a n c e f r o m j u n c t i o n t o a m b i e n t * r t h j - a 5 0 0 k / w t e r u t a r e p m e t n o i t c n u j j 1 5 0 t e g n a r e r u t a r e p m e t e g a r o t s s t g - 6 5 t o + 1 5 0 * d e v i c e m o u n t e d o n a n f r 4 p r i n t e d - c i r c u i t b o a r d . i f s m a switching diodes paramet er sym bol test conditions ma x unit mark ing mar king a4* ba v70 (kav70) w w w . k e x i n . c o m . c n 1 0.4 +0.1 -0.1 2.9 +0.2 -0.1 0.95 +0.1 -0.1 1.9 +0.1 -0.2 2.8 +0.2 -0.1 +0.2 -0.1 1 2 3 unit: mm sot-23-3 1 . 6 0.4 0.15 +0.02 -0.02 0.55 0-0.1 0.68 +0.1 -0.1 1.1 +0.2 -0.1
s m d ty p e di o d e s t y p i c a l ch a r a c t e r i s ti c s device mounted on an fr4 printed-circuit board. fig.2 maximum permissibl e continuous forward current as a function of ambient temperature. 0 0 2 0 300 0 100 200 100 i f (ma) t ( c) amb o single diode loaded double diode loaded (1) t j = 150 c; typical values. (2) t j = 25 c; typical values. (3) t j = 25 c; maximum values. fig.3 forward current as a function of forward voltage. handbook, halfpage 2 0 300 i f (ma) 0 100 200 1 v f (v) (1) (3) (2) fig.4 maximum permissible non-repetitive peak forward current as a function of pulse duration. based on square wave currents. t j = 25 c prior to surge. handbook, full pagewidth 10 t p (s) 1 i fsm (a) 10 2 10 ?1 10 4 10 2 10 3 10 1 w w w . k e x i n . c o m . c n 2 ba v70 (kav70)
s m d ty p e di o d e s fig.5 reverse current as a function of junction temperature. 10 5 10 4 10 200 0 100 t ( c) j o i r (na) 10 3 10 2 75 v 25 v typ max v = 75 v r typ fig.6 diode capacitance as a function of reverse voltage; typical values. f = 1 mhz; t j = 25 c. handbook, halfpage 6 1 8 0 12 4 0.8 0.6 0 0.4 0.2 v r (v) c d (pf) w w w . k e x i n . c o m . c n 3 ba v70 (kav70)
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