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International Rectifier Electronic Components Datasheet



70HF20

STANDARD RECOVERY DIODES



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70HF20 pdf
STANDARD RECOVERY DIODES
Bulletin I20202 rev. A 05/98
70HF(R) SERIES
Stud Version
Features
High surge current capability
Designed for a wide range of applications
Stud cathode and stud anode version
Leaded version available
Types up to 1600V VRRM
TypicalApplications
Battery charges
Converters
Power supplies
Machine tool controls
Major Ratings and Characteristics
Parameters
70HF(R)
10 to 120
140 to 160
IF(AV)
IF(RMS)
IFSM
@ TC
@ 50Hz
@ 60Hz
70 70
140 110
110
1200
1250
I2t @ 50Hz
7100
@ 60Hz
6540
VRRM
TJ
range
range
100 to 1200
- 65 to 180
1400 to 1600
- 65 to 150
Units
A
°C
A
A
A
A2s
A2s
V
°C
70 A
case style
DO-203AB (DO-5)
www.irf.com
1



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70HF20 pdf
70HF(R) Series
Bulletin I20202 rev. A 05/98
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number Code
70HF(R)
10
20
40
60
80
100
120
140
160
VRRM, maximum
repetitive peak
reverse voltage
V
100
200
400
600
800
1000
1200
1400
1600
VRSM, maximum non-
repetitive peak
reverse voltage
V
200
300
500
720
960
1200
1440
1650
1900
(1) Avalanche version only available from VRRM 400V to 1600V.
VR(BR), minimum
avalanche
voltage
V (1)
--
--
500
725
950
1150
1350
1550
1750
IRRM max.
@ TJ = TJ max.
mA
15
9
4.5
Forward Conduction
Parameter
70HF(R)
Units Conditions
10 to 120 140 to 160
IF(AV) Max. average forward current
@ Case temperature
70
140
70 A 180° conduction, half sine wave
110 °C
IF(RMS) Max. RMS forward current 110 A DC @ TC = 25°C
PR Maximum non-repetitive
peak reverse power
20 K · W 10µs square pulse, TJ = TJ max.
see note (2)
IFSM Max. peak, one-cycle forward,
non-repetitive surge current
1200
1250
1000
1050
t = 10ms No voltage
t = 8.3ms
A
reapplied
t = 10ms 100% VRRM
t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I2t for fusing
7100
6450
5000
4550
t = 10ms
t = 8.3ms
A2s
t = 10ms
t = 8.3ms
No voltage
reapplied
100% VRRM
reapplied
Initial TJ = TJ max.
I2t Maximum I2t for fusing
71000
A2s t = 0.1 to 10ms, no voltage reapplied
V Low level value of threshold
F(TO)1
voltage
V High level value of threshold
F(TO)2
voltage
0.79
1.00
(16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
V
(I > π x IF(AV)), TJ = TJ max.
rf1 Low level value of forward
slope resistance
rf2 High level value of forward
slope resistance
2.33
1.53
(16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
m
(I > π x IF(AV)), TJ = TJ max.
V Max. forward voltage drop
FM
1.35
V
Ipk=
220A,
T
J
=
25°C,
tp
=
10ms
sinusoidal
wave
(2) Available only for Avalanche version, all other parameters the same as 70HF.
2 www.irf.com



Part Number 70HF20
Description STANDARD RECOVERY DIODES
Maker International Rectifier - International Rectifier
Total Page 7 Pages
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