User guide

Document Number: 93150 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 25-May-09 3
40HFL, 70HFL, 85HFL Series
Fast Recovery Diodes
(Stud Version), 40 A/70 A/85 A
Vishay High Power Products
Note
(1)
I
2
t for time t
x
= I
2
√t • √t
x
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS 40HFL 70HFL 85HFL UNITS
Maximum average forward current
at maximum case temperature
I
F(AV)
180° conduction, half sine wave
40
70
85
A
75 °C
Maximum RMS forward current I
F(RMS)
63 110 134 A
Maximum peak repetitive forward current I
FRM
Sinusoidal half wave, 30° conduction 220 380 470 A
Maximum peak, one-cycle
non-repetitive forward current
I
FSM
t = 10 ms
Sinusoidal half wave, 100
% V
RRM
reapplied,
initial T
J
= T
J
maximum
400 700 1100
A
t = 8.3 ms 420 730 1151
t = 10 ms
Sinusoidal half wave,
no voltage reapplied,
initial T
J
= T
J
maximum
475 830 1308
t = 8.3 ms 500 870 1369
Maximum I
2
t for fusing I
2
t
t = 10 ms
100 % V
RRM
reapplied,
initial T
J
= T
J
maximum
800 2450 6050
A
2
s
t = 8.3 ms 730 2240 5523
t = 10 ms
No voltage reapplied,
initial T
J
= T
J
maximum
1130 3460 8556
t = 8.3 ms 1030 3160 7810
Maximum I
2
√t for fusing
(1)
I
2
√t t = 0.1 ms to 10 ms, no voltage reapplied 11 300 34 650 85 560 A
2
√s
Maximum value of threshold voltage V
F(TO)
T
J
= 125 °C
1.081 1.085 1.128 V
Maximum value of forward slope resistance r
F
6.33 3.40 2.11 mΩ
Maximum forward voltage drop V
FM
T
J
= 25 °C, I
FM
= π x I
F(AV)
1.95 1.85 1.75 V
RECOVERY CHARACTERISTICS
PARAMETER SYMBOL TEST CONDITIONS
40HFL... 70HFL... 85HFL...
UNITS
S02 S05 S10 S02 S05 S10 S02 S05 S10
Typical reverse
recovery time
t
rr
T
J
= 25 °C, I
F
= 1 A to V
R
= 30 V,
- dI
F
/dt = 100 A/µs
70 180 350 60 150 290 50 120 270
ns
T
J
= 25 °C, - dI
F
/dt = 25 A/µs,
I
FM
= π x rated I
F(AV)
200 500 1000 200 500 1000 200 500 1000
Typical reverse
recovered charge
Q
rr
T
J
= 25 °C, I
F
= 1 A to V
R
= 30 V,
- dI
F
/dt = 100 A/µs
160 750 3100 90 500 1600 70 340 1350
nC
T
J
= 25 °C, - dI
F
/dt = 25 A/µs,
I
FM
= π x rated I
F(AV)
240 1300 6000 240 1300 6000 240 1300 6000