http://www .weitron.com.tw weitron 1SS400 switching diode 100 mamperes 90 v ol ts surface mount switching diodes featu r es: *e x t r emely high s wi t ching s p ee d . * l o w r e v erse l ea k age c u r r e n t. *high r eliabili t y . *small outline su r fa c e m ou n t sod-523 p ac k ag e . applications: *high s p eed s wi t chin g . 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 sod-523 outline dimensions sod-523 1 2 lead(pb)- f r ee p b
weitron 1SS400 maximum ratings ( t a =25 c u nless other wise not ed) characteristic dc r e v erse v oltage a v er age r ec tifier f or w ar d c ur r en t p eak f or w ar d sur ge c ur r en t op er a ting j unc tion t emp er a tur e r ange s t or age t emp er a tur e r ange symbol v r v r=0.5v , v r=6v , i f(a v ) i fsm t j t st g v alue unit 80 100 500 -40 t o +125 v olts v olts ma ma c device marking item marking eqivalent cir cuit diagram 2 1 electrical characteristics ( t a =25 c u nless other wise not ed) http://www .weitron.com.tw characteristic symbol r e v erse b r eakdo wn v oltage (i r =100a) f or w ar d v oltage i f =100ma r e v erse l eak age v (br)r v f i r min max unit 80 v olts v olts a dc 1.20 0.1 1SS400 a , 4 p eak r e v erse v oltage rm v 90 @t=1s 125 c apacitanc e b et w een t er minals f=1mhz r e v erse r ec o v er y t ime v r =80v i =10ma, r =100 w f l c t t r r 3.0 4.0 pf ns
e l e c t r i c a l c h a r a c t e r i s t i c c u r v e s ( t a = 2 5 c ) 0 1 1 0 0 m 1 0 m 1 m 1 0 0 1 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 . 2 1 . 4 f o r w a r d c u r r e n t : i f ( a ) f o r w a r d v o l t a g e : v f ( 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 c t a 7 5 c t a 2 5 c t a 2 5 c 0 t a 1 2 5 c t a 7 5 c t a 2 5 c 1 m 0 . 1 m 1 0 1 1 0 0 n 1 0 n 1 n 2 0 4 0 6 0 8 0 1 0 0 1 2 0 r e v e r s e c u r r e n t : i r ( a ) r e v e r s e v o l t a g e : v r ( 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 0 2 4 6 8 1 0 1 2 1 4 1 0 5 2 1 0 . 5 0 . 2 0 . 1 r e v e r s e v o l t a g e : v r ( v ) 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 s : c t ( p f ) f i g . 3 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 s 0 0 1 0 2 0 3 0 1 2 3 v r 6 v i r r 1 / 1 0 i r r e v e r s e r e c o v e r y t i m e : t r r ( n s ) f o r w a r d c u r r e n t : i f ( m a ) f i g . 4 r e v e r s e r e c o v e r y t i m e c h a r a c t e r i s t i c s 0 . 1 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 1 2 5 1 0 2 0 5 0 1 0 0 p u l s e s i n g l e p u l s e s u r g e c u r r e n t : i s u r g e ( a ) p u l s e w i d t h : t w ( m s ) f i g . 5 s u r g e c u r r e n t c h a r a c t e r i s t i c s p u l s e g e n e r a t o r o u t p u t 5 0 s a m p l i n g o s c i l l o s c o p e 5 0 5 k 0 . 0 1 f d . u . t . f i g . 6 r e v e r s e r e c o v e r y t i m e ( t r r ) m e a s u r e m e n t c i r c u i t 1 s s 4 0 0 w e i t r o n h t t p : / / w w w . w e i t r o n . c o m . t w
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