1 features o maximum rating (t a =25 c unless otherwise noted) o electrical characteristics (t a =25 c unless otherwise noted) surface mount schottk y barrier diodes surface mount schottk y barrier diodes small signal schottky diodes 200m amperes 30 volts s o d - 3 2 3 .045( 1.15) .053( 1.35) .0035 (0.08 9) .015( 0.377 ) .00(0 .00) .004( 0.10) .031( 0.80) .039( 1.00) .009( 0.25) .016( 0.40) .063( 1.60) .071( 1.80) .091( 2.30) 1.63( 2.70) 1 2 0.15r www.paceleader.tw b a t54h characteristic reverse voltage average recti er forward current peak repetitive forward current rated vr, square wave, 20khz operating junction temperature range storage temperature range symbol v r i o i fsm t j t stg values unit 30 200 400 -55 to +125 -55 to +150 v ma ma c thermal resistance, junction to ambient r ja 200 mw power dissipation p d 635 c/w c characteristic symbol r e v erse br eakdo wn v olta g e (i r =10a) f orw ar d v olta g e i f =0.1ma i f =1.0ma i f =10ma i f =30ma i f =100ma t otal capacitance (v r =1.0v , f=1.0mhz) r e v erse leaka g e v r =25v r e v erse r eco v er time i f =i r =10ma, i r(r ec) =1.0ma v (br)r v f c t i r t r r min t yp max unit 30 0.22 0.29 0.35 0.41 0.52 0.24 0.32 0.40 0.50 1.00 7.6 0.5 10 2.0 5.0 v olts v olts p f adc ns item marking eqivalent cir cuit diagram 2 1 b a t54h jv device marking lead(pb)- f r ee p b
2 www.paceleader.tw surface mount schottk y barrier diodes surface mount schottk y barrier diodes small signal schottky diodes 200m amperes 30 volts b a t54h + 1 0 v 8 2 0 2 . 0 k 1 0 0 h 0 . 1 f 5 0 o u t p u t 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 s c i l l o s c o p e i f d . u . t . 0 . 1 f v r i n p u t s i g n a l t r t p 1 0 % 9 0 % t i f i r t r r t i r ( r e c ) = 1 . 0 m a o u t p u t p u l s e ( i f = i r = 1 0 m a , m e a s u r e d a t i r ( r e c ) = 1 . 0 m a n o t e s : 1 . a 2 . 0 k v a r i a b l e r e s i s t o r f o r a f o r w a r d c u r r e n t ( i f ) 0 f 1 0 m a 2 . i n p u t p u l e s i s a d j u s t e d s o i r ( p e a k ) i s e q u a l t o 1 0 m a 3 . t p t r r ? f i g u r e 1 . r e c o v e r y t i m e e q u i v a l e n t t e s t c i r c u i t 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 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 4 . 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 4 6 8 0 . 6 8 0 . 6 4 0 . 6 0 0 . 5 6 0 . 5 2
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