sm120 thru sm160 features plastic package has underwrit ers laboratory flammability classification 94v -o ut iliz ing flame retardant epox y m olding compound. for surfac e mounted applications. ex ceeds environmental standards of m il-s- 19500 / 228 low leakage current . mechanical dat a case : mol ded plastic, sm-1 (me lf) termi nals : solder plated, solderable per mi l-std-750, method 2026 pol arity : indicated by c athode band mounting p osition : any weight : 0.015 gram (v) (v) (v) (v) ( o c) sm120 - 20 14 20 sm130 - 30 21 30 sm140 - 40 28 40 sm150 - 50 35 50 sm160 - 60 42 60 symbols marking code operating temperature v rrm *1 v rms *2 v r *3 v f *4 0.55 0.70 -55 to +125 -55 to +150 maximum ratings (at t a =25 o c unless otherwise noted) parameter conditions symbol min. typ. max. unit forward rectified current see fig.1 i o 1.0 a forward surge current 8.3ms single half sine-wave superimposed on rate load (jedec methode) i fsm 40 a v r = v rrm t a = 25 o c 1.0 ma v r = v rrm t a = 125 o c 10 ma thermal resistance junction to ambient r q ja 50 o c / w diode junction capacitance f=1mhz and applied 4vdc reverse voltage c j 110 pf storage temperature t stg -55 +150 o c reverse current i r *1 repetitive peak reverse voltage *2 rms voltage *3 continuous reverse voltage *4 maximum forward voltage melf schottky barrier diodes silicon epitaxial planer type f o r m o s a m s dimensions in inches and (millimeters) sm-1 .105(2.7) .095(2.4) .205(5.2) .190(4.8) .024(.60) .018(.46) solderable ends
0.1 1.0 .01 10 50 rating and characteristic curves (sm120 thru sm160) 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 0.2 0.4 0.6 0.8 1.0 1.2 0 20 40 60 80 100 120 140 160 180 200 0 350 300 250 200 150 100 50 0 20 10 30 50 40 .01 .05 .1 .5 1 5 10 50 100 .1 .3 .5 .7 .9 1.1 1.3 1.5 3.0 ambient 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 1 2 0 ~ s m 1 4 0 s m 1 5 0 ~ s m 1 6 0 s m 15 0~ s m 16 0 s m 12 0~ s m 14 0 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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