Bulletin PD-2.093 revB 10/04 40HFL, 70HFL, 85HFL SERIES FAST RECOVERY DIODES Stud Version Major Ratings and Characteristics Parameters 40HFL 70HFL 85HFL Units IF(AV) 40 70 85 A @ Max Tc 75 75 75 A Description IFSM @ 50Hz 400 700 1100 A @ 60Hz 420 730 1151 A @ 50Hz 800 2450 6050 A2 s 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. @ 60Hz 730 2240 5523 A2 s 11300 34650 85560 I2√s I2t I2√t V RRM range 100 to 1000 V trr range see table ns TJ range - 40 to 125 °C 40HFL/ 70HFL www.irf.com case style DO-203AB (DO-5) Features Short reverse recovery time Low stored charge Wide current range Excellent surge capabilities Stud cathode and stud anode versions Types up to 1000VRRM 85HFL 1