User guide

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Document Number: 93165
4 Revision: 12-Jun-08
VSKDL450..S20 Series
Vishay High Power Products
Fast Diodes, 460 A
(SUPER MAGN-A-PAK
TM
Power Modules)
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Forward Power Loss Characteristics
Fig. 4 - Forward Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
60
70
80
90
100
110
120
130
140
150
0 100 200 300 400 500
30°
60°
90°
120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Angle
Average Forward Current (A)
VSKDL450.. Series
R (DC) = 0.065 K/ W
thJC
60
70
80
90
100
110
120
130
140
150
0 100 200 300 400 500 600 700 800
DC
30°
60°
90°
120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Period
Average Forward Current (A)
VSKDL450.. Se ries
R (DC) = 0.065 K/ W
thJC
0
100
200
300
400
500
600
700
800
900
0 50 100 150 200 250 300 350 400 450
Average Forward Current (A)
RM S Li m i t
Maximum Average Forward Power Loss (W)
Cond uc tion Angle
180°
120°
90°
60°
30°
VSKDL450.. Se rie s
Pe r Ju n c t io n
T = 1 5 0 ° C
J
0
200
400
600
800
1000
1200
0 100 200 300 400 500 600 700 800
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RM S Lim i t
Maximum Average Forward Power Loss (W)
Conduction Period
VSKDL450.. Serie s
Pe r Ju n c t i o n
T = 1 5 0 ° C
J
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
110100
Peak Half Sine Wave Forward Current (A)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
VSKDL450.. Series
Pe r Ju n c t i o n
Initia l T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Lo a d Cond itio n And With
Ra ted V Applied Following Surge.
RRM
J
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
0.01 0.1 1
Peak Half Sine Wave Forward Current (A)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
VSKDL450.. Series
Pe r Ju n c t i o n
Initia l T = 150°C
No Voltage Reapplied
Ra t e d V Re a p p l i e d
RRM
Versus Pulse Train Duration.
J