Ch-technology 71HF(R) Series Manual do Utilizador Página 5

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www.vishay.com For technical questions, contact: ind-modules@vishay.com
Document Number: 93521
4 Revision: 20-Jun-08
70HF(R) Series
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 70 A
Fig. 5 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Power Loss Characteristics
0 20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
1
.
5
K
/
W
2
K
/
W
3
K
/
W
5
K
/
W
R
=
0
.
3
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
.
5
K
/
W
0
.
7
K
/
W
1
K
/
W
4
K
/W
0
10
20
30
40
50
60
70
80
90
0 1020304050607080
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Angle
180°
120°
90°
60°
30°
70HF(R) Series
(100V to 1200V)
T = 180°C
J
020406080100120140160180
Maximum Allowable Ambient TemperatureC)
5
K
/
W
3
K
/
W
2
K
/
W
1
.
5
K
/
W
1K
/
W
0
.
7
K
/
W
0.5
K
/
W
R
=
0
.
3
K
/
W
-
D
e
l
t
a
R
t
h
SA
0
20
40
60
80
100
120
0 20 40 60 80 100 120
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Period
70HF(R) Series
(100V to 1200V)
T = 180°C
J
0255075100125150
Maximum Allowable Ambient Temperature C)
1
.
5K
/
W
2
K
/
W
3
K
/
W
5
K
/
W
R
=
0
.
3
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
.
5
K
/
W
4
K
/
W
0
.
7
K
/
W
1 K/W
0
10
20
30
40
50
60
70
80
90
0 1020304050607080
Average Forward Current (A)
RMS Limit
Maximum Average Forward Power Loss (W)
Conduction Angle
180°
120°
90°
60°
30°
70HF(R) Series
(1400V to 1600V)
T = 150°C
J
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