Owner manual
Document Number: 93581 For technical questions, contact: ind-modules@vishay.com
www.vishay.com
Revision: 22-Apr-08 5
VSK.250, .270, .320 Series
Standard Recovery Diodes, 250 to 320 A
(MAGN-A-PAK
TM
Power Modules)
Vishay High Power Products
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Maximum Non-Repetitive Surge Current Fig. 9 - Maximum Non-Repetitive Surge Current
0 255075100125150
Maximum Allowable Ambient Temperature (°C)
0
.
0
8
K
/
W
0
.
1
K
/
W
0
.
1
6
K
/
W
0
.
2
5
K
/
W
0
.
0
3
K
/
W
0
.
0
5
K
/
W
0
.
3
5
K
/
W
R
=
0
.
0
1
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
200
400
600
800
1000
1200
0 100 200 300 400 500
Total Output Current (A)
Ma ximum Tota l Power Lo ss (W)
180°
(Sine)
180°
(Rect)
2 x VSK.250.. Series
Single Phase Bridge
Connected
T = 1 5 0 ° C
J
0 255075100125150
Maximum Allowable Ambient Temperature (°C)
0
.
2
5
K
/
W
R
=
0
.
0
0
5
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
.
0
2
K
/
W
0
.
0
4
K
/
W
0
.
0
6
K
/
W
0
.
0
8
K
/
W
0
.
1
2
K
/
W
0
.
1
6
K
/
W
0
.
3
5
K
/
W
0
200
400
600
800
1000
1200
1400
1600
1800
0 100200300400500600700800
Total Output Current (A)
Maximum Total Power Loss (W)
120°
(Rec t)
3 x VSK.250.. Series
Three Phase Bridge
Connected
T = 1 5 0 ° C
J
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
110100
Peak Half Sine Wave Forward Current (A)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Initia l T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
VSK.250.. Se ries
Pe r Ju n c t i o n
At Any Ra ted Load Cond ition And With
Rated V Applied Following Surge.
RRM
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
0.01 0.1 1
Peak Half Sine Wave Forward Current (A)
Pu lse Tra in Du ra t io n ( s)
Maximum Non Repetitive Surge Current
Initia l T = 150°C
No Volt ag e Rea pp lied
Ra t e d V Re a p p l i e d
RRM
Versus Pulse Train Duration.
J
VSK.250.. Series
Pe r Ju n c t io n