mospec SK310 schottky barrier rectifiers using the schottky barrier principle w i th a moly bdenum barrier meta. t hese state-of-the-art geomet ry features epitaxial construction w i th oxide passivation and metal overlay contact. ideally suited for low voltage, high frequency rectification, or as free w heeling and polarity protection diodes, in surface mount applications w here co mpact size and w e ight are critical to the sy stem. f eatu r es ? low f o rw ard voltage. ? low sw itching noise. ? high current capacity ? guarantee reverse avalanche. ? guard-ring for stress protection. ? low pow e r loss & high efficiency . ? 150 j operating junction t e mperature ? low stored charge majority carrier conduction. ? plastic material used carries underw r iters laboratory flammability classification 94v-o ? moisture sensitivity level: msl-1 ? esd: 4kv(min.) humen-body model ? in com p liance with eu rohs 2002/95/ec directives maximum ratings ch a r a c t e r i s t i c s y mb o l s k 3 1 0 un i t peak repetitive reverse voltage w o rking peak reverse voltage dc blocking voltage v rrm v rw m v r 1 0 0 v rms reverse voltage vr (rms ) 7 0 v average rectifier f o rw ard current i o 3 . 0 a non-repetitive peak surge current (surge applied at rate load conditions half-w a ve, single phase,60hz ) i fsm 7 5 a operating and s t orage junc tion t e mperature range t j , t st g -65 to + 150 j thermal resistances t y pical t hermal resistance junction to case r j-c 45 j /w electrial characteristics ch a r a c t e r i s t i c s y mb o l s k 3 1 0 un i t maximum instantaneous f o rw ard voltage (i f =3.0 amp) v f 0 . 8 5 v maximum instantaneous reverse current (rated dc voltage, t c = 2 5 j ) (rated dc voltage, t c = 125 j ) i r 0.01 10 ma t y pical junction capacitance (reverse voltage of 4 volts & f= 1 mhz) c p 1 5 0 p f schottky ba rrier rectifiers 3.0 a m peres 100 vol t s do-214a c(sma ) millimeters dim m i n m a x a 2 . 2 0 2.80 b 4 . 1 0 4.70 c 1 . 3 0 1.70 d 4 . 7 0 5.30 e 1 . 9 0 2.50 f 1.30 g 0.30 h 0 . 9 5 1.50 case--- t r ansfer molded plastic olarit y--- cathode indicated polarity band
SK310 fig-1 for w ard current dera t i ng cur ve fig-2 t ypical for w ard charact erisit ics a v e r a g e for w a rd re ctifie d curre nt (a mp .) ns t a nt a n e o us for w a rd curre nt (a mp .) case tempera t ure ( j ) for w ard vol t age (v olt s ) fig-3 t ypical reverse charact erist i cs fig-4 t ypical junct ion cap a cit a nce inst ant a neous reverse current (ma.) junct ion cap a cit a nce ( p f) percent of ra ted reverse vol t age ( m ) reverse vol t age (v olt s ) fig-5 peak for w ard surge current peak for w ard surge current (amp.) number of cycles a t 60 hz t j =25 o c t j =125 o c t j =75 o c
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