SL54BF surface mount schottky barrier rectifier reverse voltage - 40 volts forward current - 5.0 ampere maximum ratings and electrical characteristics note: 1.measured at 1mhz and applied reverse voltage of 4.0v d.c. 2.p.c.b. mounted with 0.5x0.5 ? (12.7x12.7mm) copper pad areas ratings at 25 c ambient temperature unless otherwise specified. single phase half-wave 60hz,resistive or inductive load,for capacitive load current derate by 20%. volts volts volts symbols units amp amps volts v rrm v rms v dc i (av) i fsm v f 5.0 125 operating junction temperature range maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 5.0a maximum dc reverse current t a =25 c at rated dc blocking voltage t a =100 c typical junction capacitance (note 1) i r 1.0 r q ja c j t j , t stg 40.0 800 pf c ma typical thermal resistance (note 2) c/w storage temperature range c -50 to +150 -50 to +125 50.0 0.45 SL54BF 40 28 40 mdd catalog number dimensions in inches and (millimeters) smbf cathode band top view 0.165(4.2) 0.173(4.4) 0.216(5.5) 0.200(5.1) 0.146(3.70) 0.138(3.50) 0.075(1.90) 0.086(2.20) 0.051(1.30) 0.043(1.10) 0.010(0.26) 0.0071(0.18) 0.051(1.30) 0.039(1.0) features mechanical data for surface mounted applications metal silicon junction,majority carrier conduction low power loss,high efficiency high forward surge current capability for use in low voltage,high frequency inverters, free wheeling,and polarity protection applicatlons case : jedec smbf molded plastic body terminals : leads solderable per mil-std-750, method 2026 mounting position : any weight :57mg/0.002oz
ratings and characteristic curves SL54BF f i g . 4 ty p i c a l j u n c t i o n c a p a c i t a n c e j u n c t i o n c a p a c i t a n c e ( p f ) r e v e r s e vo l t a g e ( v ) f i g . 3 ty p i c a l f o r w a r d c h a r a c t e r i s t i c i n s t a n e o u s f o r w a r d c u r r e n t ( a ) i n s t a n e o u s f o r w a r d vo l t a g e ( v ) 0 . 0 1 1 0 0 1 1 0 1 0 0 f i g . 6 - ty p i c a l t r a n s i e n t t h e r m a l i m p e d a n c e t r a n s i e n t t h e r m a l i m p e d a n c e / w c t , p u l s e d u r a t i o n s e c 0 . 1 1 1 0 0 . 1 0 0 . 5 1 1 0 1 . 0 1 . 5 2 0 1 0 0 . 1 1 0 1 0 0 5 0 0 2 0 1 0 0 1 1 0 0 0 t = 2 5 j c f i g . 1 f o r w a r d c u r r e n t d e r a t i n g c u r v e 1 . 0 2 . 0 3 . 0 4 . 0 5 . 0 6 . 0 0 . 0 2 5 5 0 7 5 1 0 0 1 2 5 a v e r a g e f o r w a r d c u r r e n t ( a ) 1 0 0 l f m s i n g l e p h a s e h a l f w a v e r e s i s t i v e o r i n d u c t i v e p . c . b m o u n t e d o n 0 . 5 0 . 5 " ( 1 2 . 7 ) 1 2 . 7 m m p a d a r e a s l e a d t e m p e r a t u r e ( c ) 1 5 0 1 0 1 0 0 f i g . 5 m a x i m u m n o n - r e p e t i t i v e p e a k f o r w a r d s u r a g e c u r r e n t peak a) forward surage current ( n u m b e r o f c y c l e s a t 6 0 h z 8 . 3 m s s i n g l e h a l f s i n e w a v e ( j e d e c m e t h o d ) 1 5 0 0 0 1 2 5 1 7 5 2 5 7 5 1 5 0 1 0 0 f i g . 2 ty p i c a l r e v e r s e c h a r a c t e r i s t i c s i n s t a n e o u s c u r r e n t ( a ) r e v e r s e 2 0 4 0 6 0 8 0 0 t = 2 5 j c t = 1 0 0 j c p e r c e n t o f r a t e d p e a k r e v e r s e vo l t a g e % 1 0 0 1 0 1 1 0 2 1 0 3 1 0 4 1 0 5 the cruve g ra p h is for reference onl y , can't be the basis for j ud g ment ( ? ) !
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