mospec S20C120C schottky barrier rectifiers using the schottky barrier principle w i th a moly bdenum barrier metal. t hese state-of-the-art geometry 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. ? 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 maximum ratings ch a r a c t e r i s t i c s y mb o l s 2 0 c 1 2 0 c un i t peak repetitive reverse voltage w o rking peak reverse voltage dc blocking voltage v rrm v rw m v r 1 2 0 v rms reverse voltage v r(rms ) 8 4 v average rectifier f o rw ard current t o tal device (rated v r ),t c = 100 j i f(a v ) 10 20 a peak repetitive f o rw ard current (rate v r , square w a ve, 20khz) i fm 2 0 a non-repetitive peak surge current (surge applied at rate load conditions halfw are, single phase, 60hz) i fsm 2 0 0 a operating and storage junction t e mperature range t j , t st g -65 to + 125 j electrial characteristics ch a r a c t e r i s t i c s y mb o l s 2 0 c 1 2 0 c un i t maximum instantaneous f o rw ard voltage ( i f = 10 amp t c = 2 5 j ) ( i f = 10 amp t c = 125 j ) v f 0.85 0.68 v maximum instantaneous reverse current ( rated dc voltage, t c = 2 5 j ) ( rated dc voltage, t c = 125 j ) i r 0.5 20 ma schottky ba rrier rectifiers 20 a m peres 120 vol t s t o -220a b millimeters dim m i n m a x a 1 4 . 68 1 5 . 3 2 b 9 . 7 8 1 0 . 4 2 c 6 . 0 2 6 . 5 2 d 1 3 . 0 6 1 4 . 6 2 e 3 . 5 7 4 . 0 7 f 4 . 8 4 5 . 3 2 g 1 . 1 2 1 . 3 6 h 0 . 7 2 0 . 9 6 i 4 . 2 2 4 . 9 8 j 1 . 1 4 1 . 3 8 k 2 . 2 0 2 . 9 8 l 0 . 3 3 0 . 5 5 m 2 . 4 8 2 . 9 8 o 3 . 7 0 3 . 9 0 common cathode s u f f i x ? c ?
s 2 0 c 1 2 0 c fig-1 for w ard current dera t i ng cur ve f ig-2 t y pical for w ard charact erisit ics a v e r a g e for w a rd re ct ifie d curre nt (a m p .) ns t a nt a n e o us for w a rd curre nt (a m p .) case tempera t ure ( j ) fo r w ard vo l t ag e (v olts) fig-3 t y pical reverse charact erist i cs fig-4 t y pical junct ion cap a cit a nce inst ant a neous reverse current (am p .) junction cap a cit a nce ( p f) percent o f ra ted reverse vo l t ag e ( m ) reverse vo l t ag e (v olts) fig-5 peak for w ard surge current peak for w ard surge current (am p .) number of cy cles a t 60 hz
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