User guide

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Document Number: 93165
6 Revision: 12-Jun-08
VSKDL450..S20 Series
Vishay High Power Products
Fast Diodes, 460 A
(SUPER MAGN-A-PAK
TM
Power Modules)
Fig. 10 - Recovery Charge Characteristics
Fig. 11 - Recovery Current Characteristics
Fig. 12 - Forward Voltage Drop Characteristics
Fig. 13 - Thermal Impedance Z
thJC
Characteristics
0
100
200
300
400
500
600
700
800
900
1000
0 50 100 150 200 250 300
M a xi m u m Re v e rse Re c o v e ry C h a r g e - Q r r ( µC )
Ra t e Of Fall Of Forward Current - di/ d t (A/ µs)
500 A
I = 1500 A
Si n e Pu l se
1000 A
FM
VSKDL450.. Series
T = 150 °C; V > 100V
J
r
0
50
100
150
200
250
300
350
400
450
500
0 50 100 150 200 250 300
Maximum Reverse Recovery Current - Irr (A)
500 A
Rate Of Fall Of Forward Current - di/dt (A/µs)
I = 1500 A
Si n e Pu l se
1000 A
FM
VSKDL450.. Se ries
T = 150 °C; V > 100V
J
r
100
1000
10000
0.5 1 1.5 2 2.5 3 3.5 4
T = 2 5 ° C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
VSKDL450.. Series
Pe r Jun c t io n
T = 1 5 0 ° C
J
0.001
0.01
0.1
0.001 0.01 0.1 1 10 100
Sq u a r e W a v e P u l se D u r a t i o n ( s)
thJC
Transient Thermal Impedance Z (K/W)
VSKDL450.. Serie s
Pe r Ju n c t io n
Steady State Value:
R = 0.065 K/ W
(DC Operation)
thJC