description mechanical dimensions electrical characteristics @ 25 o c. maximum ratings peak repetitive reverse voltage...v rrm rms reverse voltage...v r(rms) dc blocking voltage...v dc UGPZ20a . . . 20g series average forward rectified current...i f(av) current 3/8" lead length @ t a = 55 c non-repetitive peak forward surge current...i fsm 8.3ms, ? sine wave superimposed on rated load forward voltage @ rated forward current and 25 c...v f dc reverse current...i r(max) @ rated dc blocking voltage t a =25 c t a = 150 c typical junction capacitance...c j (note 1) maximum thermal resistance...r q ja (note 2) maximum reverse recovery time...t rr (note 3) operating & storage temperature range...t j , t strg preliminary data sheet ............................................. 2.0 ............................................... ............................................. 8 0 ............................................... ............................................. 1 0 0 ............................................... ............................................. 5.0 ............................................... ............................................. 2 0 0 ............................................... ............................................. 3 5 ............................................... ............................................. 2 2 ............................................... ............................................. 3 5 ............................................... volts volts volts units UGPZ20a . . . 20g series amps amps volts m amps m amps m amps ......................................... -65 to 175 .......................................... pf c / w ns c full load reverse current...i r (av) full cycle average @ t a = 55 c . 230 .300 1.00 min. .031 typ. .104 .140 jedec d0-15 features n lowest cost for glass sintered ultra - fast construction n lowest v f for glass sintered ultra - fast construction n typical i r < 100 namps n 2.0 amp operation @ t a = 55 c, with no thermal runaway n sintered glass cavity-free junction 20a 20b 20d 20g 50 100 200 400 35 70 140 280 50 100 200 400 2.0 amp glass passivated sintered ultra - fast rectifiers notes: 1. measured @ 1 mhz and applied reverse voltage of 4.0v. 2. thermal resistance from junction to ambient at 3/8" lead length, p.c. board mounted. 3. reverse recovery condition i f = 0.5a, i r = 1.0a, i rr = 0.25a. < ................................... 0.95 ............................... > 1.25
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