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Document Number: 93182
4 Revision: 14-May-08
SD853C..S50K Series
Vishay High Power Products
Fast Recovery Diodes
(Hockey PUK Version), 990 A
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Current Ratings Characteristics
Fig. 4 - Current Ratings Characteristics
Fig. 5 - Forward Power Loss Characteristics
Fig. 6 - Forward Power Loss Characteristics
40
50
60
70
80
90
100
110
120
130
0 100 200 300 400 500 600 700 800
30°
60°
90°
120°
180°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C)
Cond uction Angle
SD853C..S50K Serie s
(Single Side Cooled)
R (DC) = 0.04 K/ W
thJ-hs
20
30
40
50
60
70
80
90
100
110
120
130
0 200 400 600 800 1000 1200
30°
60°
90°
180°
DC
120°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C)
Conduction Period
SD853C..S50K Serie s
(Single Side Cooled)
R (DC) = 0.04 K/ W
thJ-hs
30
40
50
60
70
80
90
100
110
120
130
0 200 400 600 800 1000 1200
30°
60°
90°
120°
180°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C)
Conduction Angle
SD853C..S50K Series
(Double Side Cooled)
R (DC) = 0.02 K/ W
thJ-hs
10
20
30
40
50
60
70
80
90
100
110
120
130
0 400 800 1200 1600 2000
30°
60°
90°
180°
DC
120°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C
Conduction Period
SD 8 5 3 C . . S5 0 K Se r i e s
(Double Side Cooled)
R (DC) = 0.02 K/ W
thJ-hs
0
500
1000
1500
2000
2500
3000
3500
4000
0 200 400 600 800 1000 1200
180°
120°
90°
60°
30°
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
RM S Li m it
Conduction Angle
SD 8 5 3 C . . S5 0 K Se r i e s
T = 125°C
J
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
0 400 800 1200 1600 2000
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RM S Lim i t
Maximum Average Forward Power Loss (W)
Conduction Period
SD 8 5 3 C . . S5 0 K Se r i e s
T = 125°C
J
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