* l o w f o r w a r d v o l t a g e d r o p features mechanical data u n i t s v m a x i m u m r a t i n g s a n d 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 r a t i n g 2 5 c a m b i e n t t e m p e r a t u r e u n l e s s o t h e r w i s e s p e c i f i e d . s i n g l e p h a s e h a l f w a v e , 6 0 h z , r e s i s t i v e o r i n d u c t i v e l o a d . f o r c a p a c i t i v e l o a d , d e r a t e c u r r e n t b y 2 0 % . t y p e n u m b e r 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 w o r k i n g 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 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 s e e f i g . 1 p e a k f o r w a r d s u r g e c u r r e n t , 8 . 3 m s s i n g l e h a l f s i n e - w a v e s u p e r i m p o s e d o n r a t e d l o a d ( j e d e c m e t h o d ) 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 ( i f = 3 a m p s , t a = 2 5 c ) m a x i m u m d c r e v e r s e c u r r e n t t a = 2 5 c a t r a t e d d c b l o c k i n g v o l t a g e t a = 1 2 5 c 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 ( n o t e 1 ) 3 0 . 1 2 8 v v a a v m a m a p f j c ( n o t e 2 ) 1 7 - 5 0 + 1 5 0 - 6 5 + 1 7 5 / w s m 3 2 0 a l 2 0 2 0 2 0 1 0 0 3 0 0 0 . 4 4 * h i g h c u r r e n t c a p a b i l i t y * h i g h r e l i a b i l i t y * h i g h s u r g e c u r r e n t c a p a b i l i t y * e p i t a x i a l c o n s t r u c t i o n * c a s e : m o l d e d p l a s t i c * e p o x y : u l 9 4 v - 0 r a t e f l a m e r e t a r d a n t * l e a d : l e a d s o l d e r a b l e p e r m i l - s t d - 2 0 2 , m e t h o d 2 0 8 g u a r a n t e e d * p o l a r i t y : a s m a r k e d * m o u n t i n g p o s i t i o n : a n y * w e i g h t : 0 . 0 9 3 g r a m s ( a p p r o x i m a t e l y ) a n y c h a n g i n g o f s p e c i f i c a t i o n w i l l n o t b e i n f o r m e d i n d i v i d u a l s m 3 2 0 a l v o l t a g e 2 0 v 3 . 0 a m p l o w v f s c h o t t k y b a r r i e r r e c t i f i e r s typical thermal resistance rq notes: 1. measured at 1mhz and applied reverse voltage of 4.0v d.c. 2. thermal resistance junction to case. operating storage temperature range t stg temperature range t j c c c http://www.secosgmbh.com elektronische bauelemente 0 1 - j u n - 2 0 0 6 r e v . b p a g e 1 o f 2 ~ ~ a b d g e h f c dimensions in millimeters dimensions in inches a 1.25 1.65 0.049 0.065 b 3.99 4.60 0.157 0.181 c 2.50 2.90 0.098 0.114 d 1.98 2.44 0.078 0.096 e 0.051 0.203 0.002 0.008 f 4.78 5.28 0.188 0.208 g 0.76 1.52 0.030 0.060 h 0.152 0.305 0.006 0.012 s m a rohs compliant product a suffix of "-c" specifies halogen & lead-free
any changing of specification will not be informed individua l s m320al voltage 2 0v 3 .0a mp lowvf schottky barrier rectifiers rating and characteristic curves (SM320AL) reverse voltage,(v) fig.4-typical junction capacitance reverse voltage,(v) junction capacitance,(pf) 250 350 200 150 100 50 0 300 1 2 5 tj=25 c 10 50 100 number of cycles at 60hz peak forward surge current,(a) fig.3-maximum non-repetitive forward 50 25 0 75 250 100 110 50 tj=25 c surge current 8.3ms single half sine wave jedec method 1 2 3 4 0 70 80 90 100 110 120 tc,case temperature,( c) 130 140 150 160 180 dc rated voltage r q jc = 2 c/w fig.2- typical forward voltage (per leg) fig.1-typical forward current derating curve i ,average power dissipation amp f(av) i ,instaneous forwaed current(amp) f(av) square wave v ,instantaneous voltage(volts) http://www.secosgmbh.com elektronische bauelemente .1 1.0 10 100 fig.5 - typical reverse characteristics reverse leakage current , (ma) percentage rated peak reverse vol tage 0 20 40 60 80 100 120 140 .01 tj=75 c tj=25 c 0.1 1 .01 3 10 p u l s e w i d t h 3 0 0 u s 1 % d u t y c y c l e t j = 2 5 c p u l s e w i d t h 3 0 0 u s 1 % d u t y c y c l e 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 t j = 2 5 c 2 0 1 - j u n - 2 0 0 6 r e v . b p a g e 2 o f 2
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