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 revB 10/04
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