Owner manual
Document Number: 93581 For technical questions, contact: ind-modules@vishay.com
www.vishay.com
Revision: 22-Apr-08 9
VSK.250, .270, .320 Series
Standard Recovery Diodes, 250 to 320 A
(MAGN-A-PAK
TM
Power Modules)
Vishay High Power Products
Fig. 25 - Forward Power Loss Characteristics Fig. 26 - Forward Power Loss Characteristics
Fig. 27 - Forward Power Loss Characteristics
Fig. 28 - Forward Power Loss Characteristics
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350
Average Forward Current (A)
RM S Li m i t
Maximum Average Forward Power Loss (W)
Conduction Angle
180°
120°
90°
60°
30°
VSK.320.. Series
T = 150°C
J
0
50
100
150
200
250
300
350
400
450
500
0 100 200 300 400 500 600
DC
180°
120°
90°
60°
30°
RMS Li m i t
Conduction Period
Average Forward Current (A)
Maximum Average Forward Power Loss (W)
VSK.320.. Serie s
Pe r Ju n c t i o n
T = 150°C
J
0 25 50 75 100 125 150
0
.
1
K
/
W
0
.
2
K
/
W
0
.
6
K
/
W
0
.
0
6
K
/
W
0
.
3
K
/
W
0
.
4
K
/
W
Maximum Allowable Ambient Temperature (°C)
R
=
0
.
0
2
K
/
W
-
D
e
l
t
a
R
0
.
1
6
K
/
W
0
.
0
4
K
/
W
t
h
S
A
0
100
200
300
400
500
600
700
0 100 200 300 400 500
DC
180°
(Sine)
Total RMS Output Current (A)
VSK.320.. Serie s
Pe r Ju n c t i o n
T = 150°C
Maximum Total Forward Power Loss (W)
J
0255075100125150
0
.
6
K
/
W
0
.
0
4
K
/
W
0
.
0
6
K
/
W
0
.
1
2
K
/
W
0
.
2
5
K
/
W
0
.
5
K
/
W
Maximum Allowable Ambient Temperature (°C)
R
=
0
.
0
2
K
/
W
-
D
e
l
t
a
R
0
.
1
6
K
/
W
t
h
S
A
0
.
0
8
K
/
W
0
.
0
3
K
/
W
0
200
400
600
800
1000
1200
1400
0 100 200 300 400 500 600
180°
(Sine)
180°
(Rect)
M a x im u m To t a l Po w e r Lo ss ( W)
Total Output Current (A)
2 x VSK.320.. Serie s
Si n g l e Ph a se Br i d g e
Connec ted
T = 150°C
J