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Document Number: 93529
4 Revision: 25-May-09
85HF(R) Series
Vishay Semiconductors
Standard Recovery Diodes,
(Stud Version), 85 A
Fig. 5 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Power Loss Characteristics
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0
10
20
30
40
50
60
70
80
90
RMS Limit
Conduction Angle
180
°
120
°
90
°
60
°
30
°
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
020406080 100 120 140 160 180
1 K/W
1.5 K/W
2 K/W
3 K/W
5 K/W
10 K/W
0.7 K/W
RthSA = 0.5 K/W - Delta R
0102030405060708090
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
020406080 100 120 140 160 180
10 K/W
5 K/W
3 K/W
2 K/W
1 K/W
0.7 K/W
1.5 K/W
RthSA = 0.5 K/
W - Delta R
0
20
40
60
80
100
120
0 20406080 100 120 140
DC
180
°
120
°
90
°
60
°
30
°
RMS Limit
Conduction Period
85HF(R) Series
(100V to 1200V)
Tj = 180˚C
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
Maximum Allowable Ambient Temperature (°C)
0 25 50 75 100 125 150
1.5 K/W
2 K/W
3 K/
W
5 K/W
10 K/W
1 K/W
0.7 K/W
RthSA = 0.5 K/
W
- Delta R
0
10
20
30
40
50
60
70
80
90
100
0 102030405060708090
RMS Limit
Conduction Angle
180
°
120
°
90
°
60
°
30
°
85HF(R) Series
(1400V, 1600V)
Tj = 150˚C
