features short reverse recovery time low stored charge wide current range excellent surge capabilities stud cathode and stud anode versions types up to 1000v rrm i f(av) 40 70 85 a @ max tc 75 75 75 a i fsm @ 50hz 400 700 1100 a @ 60hz 420 730 1151 a i 2 t@ 50hz 800 2450 6050 a 2 s @ 60hz 730 2240 5523 a 2 s i 2 t 11300 34650 85560 i 2 s v rrm range 100 to 1000 v t rr range see table ns t j range - 40 to 125 c major ratings and characteristics parameters 40hfl 70hfl 85hfl units 1 fast recovery diodes stud version 40hfl, 70hfl, 85hfl series www.irf.com bulletin pd-2.093 rev c 01 /0 5 description this range of fast recovery diodes is designed for applications in dc power supplies, inverters, converters, choppers, ultrasonic systems and for use as a free wheeling diode. case style do-203ab (do-5) 85hfl 40hfl/ 70hfl
40hfl 70hfl 85hfl units conditions t j junction operating temperature range -40 to 125 t stg storage temperature range -40 to 150 r thjc max. thermal resistance, junction to case 0.60 0.36 0.30 k/w dc operation r thcs max. thermal resistance, case mounting surface, smooth, flat and to heatsink greased t allowable mounting torque 3.4 +0-10% n m not lubricated threads 30 lbf.in 2.3 +0-10% n m lubricated threads 20 lbf.in wt approximate weight 25 (0.88) g (oz) case style do-203ab (do-5) jedec c 0.25 thermal and mechanical specifications 40hfl, 70hfl, 85hfl series international rectifier
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