mospec u05a05 thru u05a20 utra fast recov e ry rectifier diodes -- designed for use in sw itching pow er supplies inverters and as free w heeling diodes. t hese state-of-t he-art devices have the follow i ng features: ? high surge capacity ? low pow e r loss, high efficiency ? glass passivated chip junctions ? 150 o c operating junc tion t e mperature ? low stored charge majority carrier conduction ? low forw ard voltage, high current capability ? high-sw itching speed 35 nanosecong recovery t i me ? 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 u05a 0 5 u05a 1 0 u05a 1 5 u05a 2 0 un i t peak repetitive reverse voltage w o rking peak reverse voltage dc blocking voltage v rrm v rw m v r 5 0 1 0 0 1 5 0 2 0 0 v rms reverse voltage v r(rms ) 3 5 7 0 1 0 5 1 4 0 v average rectifier f o rw ard current t o tal device (rated v r ), t c = 100 j i f(a v ) 5.0 a non-repetitive peak surge current (surge applied at rate load conditions halfw are, single phase, 60hz) i fsm 1 0 0 a operating and storage junction t e mperature range t j , t stg -65 to + 150 j electrial characteristics ch a r a c t e r i s t i c sy mb o l u05a 0 5 u05a 1 0 u 0 5 a 1 5 u05a 2 0 u n i t maximum instantaneous f o rw ard voltage ( i f =5.0 amp t c = 2 5 j ) ( i f =5.0 amp t c = 125 j ) v f 0.975 0.840 v maximum instantaneous reverse current ( rated dc voltage, t c = 2 5 j ) ( rated dc voltage, t c = 125 j ) i r 5.0 200 ua reverse recovery t i me ( i f = 0.5 a, i r =1.0 , i rr = 0 .25 a ) t rr 3 5 n s t y pical junction capacitance (reverse voltage of 4 volts & f= 1 mhz) c p 5 5 p f ultra fa st rectifiers 5 a m peres 50-200 vol t s t o -220a 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 5 . 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 n - - - 1 . 0 0 o 3 . 7 0 3 . 9 0
u05a05 thru u05a20 fig-3 for w ard current dera ting cur ve a verage for w ard rect ified current (a m p .) lead tempera t ure ( j ) fig-4ty p ical junction cap a cit a nce j unct ion cap a cit a nce ( p f) reverse vol t age (v olts.) fig-5peak for w ard surge current peak f o r w ard surg e current ( a m p .) number of cycles a t 60 hz fig-1 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 .) for w ard vol t age (v olts) fig-2 t y pical reverse charact erist i cs inst ant a neous reverse current (am p .) percent of peak reverse vol t age ( m ) set time base for 10/20 ns/cm f ig-6 reverse recovery t i me characteristic and t e st circuit diagram
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