description features n low cost n high surge capability n diffused junction mechanical dimensions n low leakage current n high temperature capability n meets ul specification 94v-0 maximum ratings peak repetitive reverse voltage...v rrm rms reverse voltage...v r(rms) dc blocking voltage...v dc fdr20/3001 . . . 20/3004 series average forward rectified current...i f(av) t a = 55 c (note 3) non-repetitive peak forward surge current...i fsm @ rated current & temp operating & storage temperature range...t j , t strg maximum forward voltage @ 80a...v f maximum dc reverse current...i r 25 c @ rated dc blocking voltage 150 c typical junction capacitance...c j (note 1) typical thermal resistance...r q ja (note 2) typical reverse recovery time...t rr data sheet 20 & 30 amp automotive dish rectifiers fdr20/3001 . . . 20/3004 series units fdr20/3001 fdr20/3002 fdr20/3003 fdr20/3004 100 200 300 400 70 140 210 280 100 200 300 400 volts volts volts ............................................. 25/35 .............................................. ............................................. 400/500 ................................................ ......................................... -65 to 175 .......................................... ............................................. 1.15 ... ............................................ ............................................. 2.0 ............................................... ............................................. 250 ............................................... ............................................. 0.8 ............................................... ............................................. 3.0 ............................................... amps amps c volts m amps m amps pf c / w m s < ............... 200 ............. > < .............. 300 ............... > page 2-2 electrical characteristics
data sheet 20 & 30 amp automotive dish rectifiers fdr20/3001 . . . 20/3004 series page 2-3 notes: 1. measured @ 1 mhz and applied reverse voltage of 4.0v. 2. thermal resistance junction to ambient, jedec method. 3. when mounted to heat sink, from body. ratings at 25 deg. c ambient temperature unless otherwise specified. single phase half wave, 60 hz resistive or inductive load. for capacitive load, derate current by 20%. forward current derating curve 60 40 20 025 50 75 100 150 125 175 lead temperature ( c) junction capacitance (pf) single phase ? wave res. or ind. load capacitive load i pk /av = 5, 10 & 20 50 30 10 20 10 5 typical reverse characteristics t j = 100 c t j = 25 c 10 80 40 120 1 .1 .01 .001 t j = 25 c t j = 150 c non-repetitive peak forward surge current 1000 500 200 100 50 10 .1 1 10 100 reverse current ( m m m m m a) percent of rated peak voltage t j = 150 c pw = 300 m m m m m s typical instantaneous forward characteristics 1000 100 10 1 .1 .6 .9 1.1 1.4 2.6 2.3 2.0 forward voltage (v) forward current (a) typical junction capacitance 1000 500 200 100 50 10 .1 1 10 100 reverse voltage (v) t j = 25 c f = 1 mhz v sig = 50 vpp number of cycles @ 60 hz peak forward surge current (a) 1.7 average forward current (a)
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