1SS400 surface mount fast switching diode feat ures application maxi mu m ratings @t a = 25 c unl e s s o t her w i s e s pec i f i e d elect r i cal c h aract erist i c s @ t a = 2 5 c unl e s s o t herw i s e s pec i f i e d parameter s y mbol limits unit peak revers e voltage v r m 90 v dc r e verse voltage v r 80 v continuo us forwa r d curre nt i f 225 ma surge current i fsm 0.5 a total power dissipation p t o t 200 mw junction temperatur e t j 150 storage temperatur e t stg -55- 150 parameter s y mbol min. t y p. max. unit conditions forwar d volt age v f 1.2 v i f =100ma reverse curr ent i r 0.1 a v r =80v diode capaci t ance c d 0.72 2.0 pf v r =0.5v ,f=1mhz reverse recover y time t rr 4 ns v r =6 v , i f =10ma,r l =100 ? extremely fast reverse recovery time to reduce switching losses also available in lead-free plating (100% matte tin finish) very low capacitance for reduced insertion losses reverse voltage rating of 80v mobile phones and accessories hand-held computers high speed switching applications d i m a b c d h j k m i n 1 . 1 0 0 . 7 0 0 . 5 0 0 . 2 5 0 . 1 6 0 . 1 1 1 . 5 0 m a x 1 . 3 0 0 . 9 0 0 . 7 0 0 . 3 5 0 . 2 4 0 . 1 3 1 . 7 0 s o d - 5 2 3 p i n 1 . c a t h o d e 2 . a n o d e
1SS400 ra tings and characteristic cur ves + 1 0 v 5 0 ? o u t put p u l s e g e n e r a t o r 5 0 ? i n p u t s a m p l i n g o sci l l o s c o p e dut ? 8 2 0 ? 2 . 0 k ? 0 . 1 f i f 1 0 0 h 0 . 1 f + 1 0 v 5 0 ? o u t put p u l s e g e n e r a t o r 5 0 ? i n p u t s a m p l i n g o sci l l o s c o p e dut ? 8 2 0 ? 2 . 0 k ? 0 . 1 f i f 1 0 0 h 0 . 1 f no tes : 1. a 2. 0k ? var i a bl e r esis tor ad j us te d f or a f o r w ar d current ( i f ) t o 1 0m a 2. in put puls e is a dj us t ed t o i r (peak ) i s e qua l t o 1 0m a f i g u r e 1 . r e v e r s e reco very t i m e equ i v a l e nt test c i r cui t 0 . 0 0 . 2 0 . 4 0 . 6 0 . 8 0 1 0 2 0 3 0 4 0 5 0 6 0 r e v e r s e v o l t a g e , v r ( v ) ) f p ( e c n a t i c a p a c 0 . 1 1 1 0 100 0 . 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 f o r w a r d v o l t a g e , v f (v) i , t n e r r u c d r a w r o f f ) a m ( t j = 2 5 c t j = 75 c t j = - 2 5 c t j = 1 5 0 c 0.0 0 1 0.0 1 0 0.1 0 0 1.0 0 0 1 0 . 0 0 0 0 2 0 4 0 6 0 8 0 r e v erse v o l t a g e , v r ( v ) i , t n e r r u c e g a k a e l e s r e v e r r ) a u ( t j = 2 5 c t j = 7 5 c t j = 1 50 c fig. 3. typical reverse characteristics fig. 2. typical forward characteristics fig. 4. typical capacitance
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