sm320b thru sm3100b 20v-100v 3.0a surface mount schottky barrier rectifiers mechanical data web site: www.taychipst.com 1 of 2 features e-mail: sales@taychipst.com maximum ratings and electrical characteristics * i d e a l f o r s u r f a c e m o u n t a p p l i c a t i o n s * e a s y p i c k a n d p l a c e * b u i l t - i n s t r a i n r e l i e f * l o w f o r w a r d v o l t a g e d r o p * c a s e : m o l d e d p l a s t i c * e p o x y : u l 9 4 v - 0 r a t e f l a m e r e t a r d a n t * m e t a l l u r g i c a l l y b o n d e d c o n s t r u c t i o n * p o l a r i t y : c o l o r b a n d d e n o t e s c a t h o d e e n d * m o u n t i n g p o s i t i o n : a n y * w e i g h t : 0 . 1 0 2 g r a m s rating 25 c ambient temperature uniess otherwies specified. single phase half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage v 20 30 40 50 60 80 90 100 20 30 40 50 60 80 90 100 14 21 28 35 42 56 63 70 v v sm320b sm330b SM340B sm350b sm360b sm380b sm390b sm3100b units maximum average forward rectified current at t l =100 c peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 3.0a maximum dc reverse current ta=25 c at rated dc blocking voltage t a=100 c typical junction capacitance (note1) 3.0 100 2.0 20 10 -65 +125 -65 +150 a a v ma ma pf typical thermal resistance r q jl (note 2) 0.55 0.85 0.75 300 notes: 1. measured at 1mhz and applied reverse voltage of 4.0v d.c. 2. thermal resistance junction to lead. c c c /w operating storage temperature range t stg temperature range t j
ratings and characteristic curves sm320b thru sm3100b e-mail: sales@taychipst.com web site: www.taychipst.com 2 of 2 surface mount schottky barrier rectifiers sm320b thru sm3100b 20v-100v 3.0a 0.1 1.0 .01 10 50 fig.2-typical forward characteristics fig.1-typical forward current dera ting curve a v e r a g e f o r w a r d c u r r e n t , ( a ) fig.3-maximum non-repetitive forward surge current p e a k f o r w a a r d s u r g e c u r r e n t , ( a ) fig.4-typical junction capacit ance reverse voltage,(v) j u n c t i o n c a p a c i t a n c e , ( p f ) i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) pulse width 300us 1% duty cycle 0.5 1.0 1.5 2.0 2.5 3.0 0 20 40 60 80 100 120 140 160 180 200 0 700 600 500 400 300 200 100 0 40 20 60 100 80 .01 .05 .1 .5 1 5 10 50 100 .1 .3 .5 .7 .9 1.1 1.3 1.5 3.0 lead temperature ( c) .1 1.0 10 100 fig.5 - typical reverse characteristics r e v e r s e l e a k a g e c u r r e n t , ( m a ) percentage rated peak reverse vol tage 0 20 40 60 80 100 120 140 .01 tj=75 c s m 35 0b ~s m 36 0b s m 38 0b ~s m 31 00 b s m 3 2 0 b ~ s m 3 4 0 b tj=25 c tj=25 c number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method forward volt age,(v)
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