mospec UFF08A60 sw itchmode full plastic single ultra-fast pow e r rectifiers designed for use in sw itching pow er s upplies. inverters and as free w heeling diodes. t hese state-of-the-art dev ices have the follow i ng features: ? low t rr ? high surge capacity ? low pow e r loss, high efficiency ? 175 j operating junction t e mperature ? low f o rw ard voltage , high f r equency ? high-sw itching speed 21(ty p.) nanosecond recovery t i me ? plastic material used carries underw r iters laboratory ? 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 uf f 08a 6 0 un i t peak repetitive reverse voltage w o rking peak reverse voltage dc blocking voltage v rrm v rw m v r 6 0 0 v rms reverse voltage v r(rms ) 4 2 0 v average rectifier f o rw ard current i f(a v ) 8 . 0 a peak repetitive f o rw ard current (rate v r , square wave, 20khz,t c =125 j ) i fm 8 . 0 a non-repetitive peak surge current (surge applied at rate load conditions half-w a ve, single phase, 60hz) i fsm 1 5 0 a operating and s t orage junc tion t e mperature range t j , t stg -65 to + 175 j thermal resistances t y pical t hermal resistance junction to case r jc 4.2 j /w electrial characteristics ch a r a c t e r i s t i c s y mb o l min t y p e ma x. unit maximum instantaneous f o rw ard voltage ( i f =8 amp t c = 2 5 j ) v f - - 1.85 2.2 v maximum instantaneous reverse current ( rated dc voltage, t c = 2 5 j ) ( rated dc voltage, t c = 100 j ) i r -- -- -- -- 25 5 ua ma reverse recovery t i me ( i f = 0.5 a, i r =1.0 , i rr = 0 .25 a ) t rr - - 1 8 2 5 n s ultra fa st rectifiers 8 a m peres 600 vol t s it o-220a c millimeters dim m i n m a x a 1 5 . 05 1 5 .1 5 b 1 3 . 3 5 13.45 c 1 0 . 0 0 10.10 d 6 . 5 5 6.65 e 2 . 6 5 2.75 f 1 . 0 0 g 1 . 1 5 1.25 h 0 . 5 5 0.65 i 4 . 8 0 5.20 j 3 . 0 0 3.20 k 1 . 1 0 1.20 l 0 . 5 5 0.65 m 4 . 4 0 4.60 n 1 . 1 5 1.25 o 3 . 3 5 3.45 p 2 . 6 5 2.75 q 3 . 1 5 3.25
UFF08A60 fig-2 for w ard current dera ting cur ve a v e r a g e for w a rd re ctifie d curre nt (a mp .) case tempera t ure ( j ) fig-4peak for w ard surge current peak for w ard surge current (amp.) number of cycles a t 60 hz fig-1 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 .) for w ard vol t age (v olt s ) fig-3 t ypical reverse charact erist i cs inst ant a neous reverse current (ma.) reverse vol t age (v olt s ) set time base for 10/20 ns/cm f ig-6 reverse recovery t i me characteristic and t e st circuit diagram t j =25 j t j =125 j
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