70HFR Datasheet, PDF (5/7 Pages) Vishay Siliconix – Standard Recovery Diodes (Stud Version), 70 A

Standard Recovery Diodes
(Stud Version), 70 A
70HF(R) Series
Vishay High Power Products
120
DC
180°
100
120°
90°
60°
80
30°
60
RMS Limit
1
0.7 _K/W
K/W
1.5 _K/W
2 _K/W
40
Conduction Period
3 _K/W
20
0
0
70HF(R) Series
(1400V to 1600V)
T_J = 150°C
5 K/W
20 40 60 80 100 1200 25 50 75 100 125 150
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 8 - Forward Power Loss Characteristics
1100
1000
900
800
At Any Rated Load Condition And With
Rated V_RRM Applied Following Surge.
Initial T_J= T_J Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
700
600
500
400 70HF(R) Series
300
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 9 - Maximum Non-Repetitive Surge Current
1000
100
T_J = 25°C
10
T_J = T_J Max.
70HF(R) Series
1
0 0.5 1 1.5 2 2.5 3
Instantaneous Forward Voltage (V)
Fig. 11 - Forward Voltage Drop Characteristics
1200
1100
1000
900
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial T_J = T_J Max.
No Voltage Reapplied
Rated V_RRMReapplied
800
700
600
500
400
300 ^{70HF(R) Series}
200
0.01
0.1
1
Pulse Train Duration (s)
Fig. 10 - Maximum Non-Repetitive Surge Current
10
Steady State Value
R _thJC = 0.45 K/W
(DC Operation)
1
0.1
0.01
70HF(R) Series
0.001
0.0001 0.001 0.01 0.1
1
10
Square Wave Pulse Duration (s)
Fig. 12 - Thermal Impedance Z_thJC Characteristics
Document Number: 93521
Revision: 20-Jun-08
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