CH621S-40PT c h e n m k o e n t e r p r i s e c o . , l t d s u r f a c e m o u n t s c h o t t k y b a r r i e r d i o d e v o l t a g e 4 0 v o l t s c u r r e n t 0 . 1 a m p e r e e l e c t r i c a l c h a r a c t e r i s t i c s ( a t t a = 2 5 o c u n l e s s o t h e r w i s e n o t e d ) n o t e s : 2 0 0 1 - 6 m a x i m u m a v e r a g e r e v e r s e c u r r e n t a t v r = 1 0 v c h a r a c t e r i s t i c s s y m b o l u n i t s 0 . 3 6 a t i f = 1 0 m a 0 . 6 0 a t i f = 5 0 m a 0 . 2 8 a t i f = 1 m a 5 . 0 u a m p s v o l t s m a x i m u m i n s t a n t a n e o u s f o r w a r d v o l t a g e m a x i m u m r a t i n g e s ( a t t a = 2 5 o c u n l e s s o t h e r w i s e n o t e d ) r a t i n g s m a x i m u m r e c u r r e n t p e a k r e v e r s e v o l t a g e m a x i m u m r m s v o l t a g e m a x i m u m d c b l o c k i n g v o l t a g e m a x i m u m a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t p e a k f o r w a r d s u r g e c u r r e n t a t 8 . 3 m s e c s i n g l e h a l f s i n e - w a v e t y p i c a l j u n c t i o n c a p a c i t a n c e b e t w e e n t e r m i n a l ( n o t e 1 ) s t o r a g e t e m p e r a t u r e r a n g e m a x i m u m o p e r a t i n g t e m p e r a t u r e r a n g e s y m b o l v r r m v r m s v d c i o c j t j v f i r t s t g i f s m CH621S-40PT u n i t s 4 0 v o l t s v o l t s v o l t s a m p s 2 8 4 0 0 . 1 1 . 0 2 . 0 + 1 2 5 - 4 0 t o + 1 2 5 a m p s p f o c o c 1 . m e a s u r e d a t 1 . 0 m h z a n d a p p l i e d r e v e r s e v o l t a g e o f 1 . 0 v o l t s . 2 . e s d s e n s i t i v e p r o d u c t h a n d l i n g r e q u i r e d . a p p l i c a t i o n * l o w c u r r e n t r e c t i f i c a t i o n a n d h i g h s p e e d s w i t c h i n g f e a t u r e * e x t r e m e l y s m a l l s u r f a c e m o u n t i n g t y p e . ( s c - 7 9 / s o d - 5 2 3 ) * i o = 2 0 0 m a g u a r a n t e e d d e s p i t e s i z e * l o w v f . ( v f = 0 . 4 0 v t y p . a t 2 0 0 m a ) c o n s t r u c t i o n c i r c u i t * s i l i c o n e p i t a x i a l p l a n a r s c - 7 9 / s o d - 5 2 3 m a r k i n g * e (1) (2) CH621S-40PT cathode (1) (2) dimensions in millimeters sc-79/sod-523 1.5~1.7 1.1~1.3 0.75~0.85 0.5~0.77 0.07~0.17 0.25~0.35
r a t i n g c h a r a c t e r i s t i c c u r v e s ( c h 6 2 1 s - 4 0pt ) 1 u 1 1 0 u 1 0 0 u 1 m 1 0 m 1 0 0 m 0 0 . 1 0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 1 0 n 1 0 0 n 1 u 1 0 u 1 0 0 u 1 m 1 0 m 1 2 5 1 0 2 0 5 0 1 0 0 f = 1 m h z f o r w a r d c u r r e n t , ( a ) f o r w a r d v o l t a g e , ( v ) f i g . 1 - f o r w a r d c h a r a c t e r i s t i c s t a = 1 2 5 o c 7 5 o c 2 5 o c - 2 5 o c r e v e r s e c u r r e n t , ( a ) r e v e r s e v o l t a g e , ( v ) f i g . 2 - r e v e r s e c h a r a c t e r i s t i c s 7 5 o c t a = 1 2 5 o c 2 5 o c - 2 5 o c 0 1 0 2 0 4 0 3 0 r e v e r s e v o l t a g e , ( v ) 0 2 4 6 8 1 0 1 2 1 4 t a = 2 5 o c 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 a m b i e n t t e m p e r a t u r e , ( o c ) j u n c t i o n c a p a c i t a n c e , ( p f ) f i g . 3 - t y p i c a l j u n c t i o n c a p a c i t a n c e a v e r a g e f o r w a r d c u r r e n t , ( % ) f i g . 4 - t y p i c a l f o r w a r d c u r r e n t d e r a t i n g c u r v e
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