WSD109H s m a l l s i g n a l s c h o t t k y d i o d e s 1 0 0 m a m p e r e s 9 0 v o l t s * e x t r e m e l y f a s t s w i t c h i n g s p e e d * l o w f o r w a r d v o l t a g e * l o w l e a k a g e c u r r e n t * v e r y s m a l l c o n d u c t i o n l o s s e s * s c h o t t k y b a r r i e r d i o d e s e n c a p s u l a t e d i n a s o d - 3 2 3 p a c k a g e t h e s e s c h o t t k y b a r r i e r d i o d e s a r e d e s i g n e d f o r h i g h s p e e d s w i t c h i n g a p p l i c a t i o n s c i r c u i t p r o t e c t i o n , a n d v o l t a g e c l a m p i n g , e x t r e m e l y l o w f o r w a r d v o l t a g e r e d u c e s c o n d u c t i o n l o s s , m i n i a t u r e s u r f a c e m o u n t p a c k a g e i s e x c e l l e n t f o r h a n d h e l d a n d p o r t a b l e a p p l i c a t i o n s w h e r e s p a c e i s l i m i t e d . u n i t : m m h t t p : / / w w w . w e i t r o n . c o m . t w 1 . 6 0 1 . 8 0 1 . 1 5 1 . 3 5 0 . 8 0 1 . 0 0 0 . 2 5 0 . 4 0 0 . 1 5 r e f 0 . 0 0 0 . 1 0 0 . 0 8 9 0 . 1 7 7 2 . 3 0 2 . 7 0 p i n 1 . c a t h o d e 2 . a n o d e d i m m i n m a x a b c d e h j k m i l l m e t e r s w e i t r o n surface mount schottky barrier diodes f e a t u r e s : d e s c r i p t i o n s o d - 3 2 3 o u t l i n e d i m e n s i o n s s o d - 3 2 3
w s d 1 0 9 h m a x i m u m r a t i n g s ( t j = 1 2 5 c u n l e s s o t h e r w i s e n o t e d ) c h a r a c t e r i s t i c r e v e r s e v o l t a g e a v e r a g e r e c t i f i e r f o r w a r 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 o p e r a t i n g j u n c t i o n t e m p e r a t u r e r a n g e s t o r a g e t e m p e r a t u r e r a n g e s y m b o l v r i f ( a v ) i f m ( s u r g e ) t j t s t g w s d 1 0 9 h u n i t 9 0 1 0 0 5 0 0 - 5 5 t o + 1 2 5 - 5 5 t o + 1 5 0 v o l t s m a m a c c 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 ( t a = 2 5 c u n l e s s o t h e r w i s e n o t e d ) c h a r a c t e r i s t i c s y m b o l r e v e r s e b r e a k d o w n v o l t a g e ( i r = 1 0 0 a ) f o r w a r d v o l t a g e i f = 1 0 0 m a t o t a l c a p a c i t a n c e ( v r = 0 v ) r e v e r s e l e a k a g e c u r r e n t v ( b r ) r v f c d i r m i n m a x u n i t 9 0 2 . 5 0 . 5 v o l t s v o l t s p f a d c d e v i c e m a r k i n g i t e m m a r k i n g e q i v a l e n t c i r c u i t d i a g r a m 2 1 w s d 1 0 9 h 5 a 0 . 9 0 v r = 5 0 v v r = 9 0 v 1 . 0 h t t p : / / w w w . w e i t r o n . c o m . t w w e i t r o n
w s d 1 0 9 h v r , r e v e r s e v o l t a g e ( v o l t s ) f i g u r e 1 . c a p a c i t a n c e c d , d i o d e c a p a c i t a n c e ( p f ) 0 2 . 0 4 . 0 6 . 0 8 . 0 0 . 6 8 0 . 6 4 0 . 6 0 0 . 5 6 0 . 5 2 t a = 8 5 c t a = - 4 0 c t a = 2 5 c 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 v f , f o r w a r d v o l t a g e ( v o l t s ) f i g u r e 2 . f o r w a r d v o l t a g e i f , f o r w a r d c u r r e n t ( m a ) 1 0 0 1 0 1 . 0 0 . 1 t a = 1 2 5 c t a = 8 5 c t a = 5 5 c t a = 2 5 c t a = 1 5 0 c 0 1 0 2 0 3 0 4 0 5 0 v r , r e v e r s e v o l t a g e ( v o l t s ) f i g u r e 3 . l e a k a g e c u r r e n t i r , r e v e r s e c u r r e n t ( a ) 0 . 0 0 1 0 . 0 1 0 . 1 1 . 0 1 0 h t t p : / / w w w . w e i t r o n . c o m . t w w e i t r o n
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