English
Language : 

70HFR Datasheet, PDF (3/7 Pages) Vishay Siliconix – Standard Recovery Diodes (Stud Version), 70 A
Standard Recovery Diodes
(Stud Version), 70 A
70HF(R) Series
Vishay High Power Products
ΔRthJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION
TEST CONDITIONS
180°
0.08
0.06
120°
0.10
0.11
90°
0.13
60°
0.19
0.14
0.20
TJ = TJ maximum
30°
0.30
0.30
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
UNITS
K/W
180
70HF(R) Series (100V to 1200V)
R thJC (DC) = 0.45 K/W
170
160
Conduction Angle
150
140
130
0
90°
60°
120°
30°
180°
10 20 30 40 50 60 70 80
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
180
70HF(R) Series (100V to 1200V)
170
RthJC (DC) = 0.45 K/W
160
150
Conduction Period
140
130
120
0
90°
60° 120°
30°
180° DC
20 40 60 80 100 120
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
150
70HF(R) Series (1400V to 1600V)
R thJC (DC) = 0.45 K/W
140
130
Conduction Angle
120
110
100
0
90°
60°
120°
30°
180°
10 20 30 40 50 60 70 80
Average Forward Current (A)
Fig. 3 - Current Ratings Characteristics
150
70HF(R) Series (1400V to 1600V)
R thJC (DC) = 0.45 K/W
140
130
120
Conduction Period
110
100
90
0
90°
60° 120°
30°
180° DC
20 40 60 80 100 120
Average Forward Current (A)
Fig. 4 - Current Ratings Characteristics
Document Number: 93521
Revision: 20-Jun-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
3