Bulletin PD-2.093 revC
01/05
40HFL, 70HFL, 85HFL SERIES
FAST RECOVERY DIODES
Stud Version
Major Ratings and Characteristics
Parameters
I
F(AV)
@ Max Tc
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
I
2
√t
V
RRM
range
t
rr
T
J
range
range
40HFL
40
75
400
420
800
730
11300
70HFL
70
75
700
730
2450
2240
34650
100 to 1000
see table
- 40 to 125
85HFL
85
75
1100
1151
6050
5523
85560
Units
A
A
A
A
A
2
s
A
2
s
I
2
√s
V
ns
°C
case style
DO-203AB (DO-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.
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
40HFL/ 70HFL
85HFL
www.irf.com
1
INTERNATIONAL RECTIFIER
40HFL, 70HFL, 85HFL Series
Thermal and Mechanical Specifications
40HFL 70HFL 85HFL Units
T
J
T
stg
R
thJC
Junction operating temperature range
Storage temperature range
Max. thermal resistance, junction to case
0.60
-40 to 125
-40 to 150
0.36
0.25
3.4
+0-10%
Conditions
°C
0.30
K/W
DC operation
Mounting surface, smooth, flat and
greased
Nm
lbf.in
Nm
lbf.in
g (oz)
Jedec
Lubricated threads
Not lubricated threads
R
thCS
Max. thermal resistance, case
to heatsink
T
Allowable mounting torque
30
2.3
wt
Approximate weight
Case style
+0-10%
20
25 (0.88)
DO-203AB (DO-5)
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