s m d ty p e w w w . ke x in . com . c n 1 diod e s rect if ier dio d es us 2a ~ us 2m f e a tu r e s s u p e r f a s t s w i t c h i n g f o r h i g h e f f i c i e n c y l o w f o r w a r d v o l t a g e d r o p a n d h i g h c u r r e n t c a p a b i l i t y l o w r e v e r s e l e a k a g e c u r r e n t g l a s s p a s s i v a t e d c h i p 2.108 2.348 1 2 4.699 4.064 5.588 5.080 3.937 3.302 2.108 1.905 4.12 3.92 2.65 2.45 5.59 5.39 2.10 2.30 1.270 0.762 0.203 0.051 0.305 0.152 recommended land pattern do-214aa(smb) unit: mm a b s o l u te m a x i m u m ra ti n g s t a = 2 5 p a r a m e t e r s y m b o l u s 2 a u s 2 b u s 2 c u s 2 d u s 2 g u s 2 j u s 2 k u s 2 m u n i t r e p e t i t i v e p e a k r e v e r s e v o l t a g e v r r m 5 0 1 0 0 1 5 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 r m s v o l t a g e v r m s 3 5 7 0 1 0 5 1 4 0 2 8 0 4 2 0 5 6 0 7 0 0 m a x i m u m d c b l o c k i n g v o l t a g e v d c 5 0 1 0 0 1 5 0 2 0 0 4 0 0 6 0 0 8 0 0 1 0 0 0 f o r w a r d v o l t a g e @ t j = 2 5 i f m = 2 a v f 1 . 4 a v e r a g e d f o r w a r d c u r r e n t . @ t l = 1 1 0 i f a v 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 i f s m m a x i m u m d c r e v e r s e c u r r e n t t j = 2 5 t j = 1 2 5 m a x i m u m r e v e r s e c u r r e n t ( n o t e . 1 ) t r r n s 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 . 2 ) c j p f t h e r m a l r e s i s t a n c e . j u n c t i o n - t o - a m b i e n t r t h ja / w j u n c t i o n t e m p e r a t u r e t j s t o r a g e t e m p e r a t u r e t s t g 5 0 2 0 v 2 5 0 1 1 . 7 i r 1 5 0 - 5 5 t o 1 5 0 a 5 3 5 0 2 8 a 1 0 0 n o t e . 1 : i f = 0 . 5 a , i r = 1 . 0 a , i r r = 0 . 2 5 a n o t e . 2 : m e a s u r e d a t 1 . 0 m h z , v r = 4 . 0 v m a r k i n g n o . u s 2 a u s 2 b u s 2 c u s 2 d u s 2 g u s 2 j u s 2 k u s 2 m m a r k i n g u s 2 a u s 2 b u s 2 c u s 2 d u s 2 g u s 2 j u s 2 k u s 2 m
s m d ty p e w w w . kexin . com . c n 2 diod e s rect if ier dio d es us 2a ~ us 2m t y p i c a l ch a r a c te r i s i ti c s ave rag e f orw a rd re c tifi ed cur re nt - a mp ere s versu s lead temperature - c figure 2 forward derating curv e 0 15 0 2 5 5 0 7 5 10 0 0 . 2 . 4 . 6 . 8 1. 0 1. 2 1. 4 single phase, half wav e 60hz resistive or inductive loa d amp s c 12 5 1. 6 1. 8 2. 0 2. 2 2. 4 instantaneous forward current - amperes versu s instantaneous forward voltage - volts figure 1 typical forward characteristic s 4 6 2 0 1 0 amp s .6 .8 1.0 1.2 1.4 1. 6 .0 1 .0 2 .0 4 .0 6 . 1 . 2 . 4 . 6 1 2 volt s figure 3 junction capacitanc e . 1 . 2 1 . 4 2 1 0 2 0 4 0 0 0 1 4 20 0 1 2 6 1 0 2 0 10 0 junction capacitance - pf versu s reverse voltage - volt s p f volt s 6 0 4 0 4 40 0 100 0 t j =2 5 c t j =2 5 c us2a-2 d us2 g us2 j us2 k us2 m
s m d ty p e w w w . ke x in . com . c n 3 diod e s rect if ier dio d es us 2a ~ us 2m t y p i c a l ch a r a c te r i s i ti c s t r r +0.5 a 0 -0.2 5 -1. 0 1c m set time base for 20/100ns/cm 25vd c 1 ? 5 0 ? 1 0 ? os cill o s cop e note 1 puls e g en era to r note 2 notes: 1. rise time = 7ns max . input impedance = 1 megohm, 22pf 2. rise time = 10ns max . source impedance = 50 ohm s 3. resistors are non-inductiv e figure 5 reverse recovery time characteristic and test circuit diagra m 0 0 1 1 4 0 5 1 0 2 0 8 figure 4 peak forward surge curren t peak forward surge current - amperes versu s number of cycles at 60hz - cycle s amp s cycle s 2 6 1 0 2 0 6 0 8 0 4 0 3 0 4 0 5 0
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