User guide
Document Number: 94417 For technical questions, contact: indmodules@vishay.com
www.vishay.com
Revision: 08-Oct-09 7
VSK.170PbF, VSK.250PbF Series
SCR/SCR and SCR/Diode
(MAGN-A-PAK Power Modules), 170 A/250 A
Vishay High Power Products
Fig. 14 - Maximum Non-Repetitive Surge Current Fig. 15 - Maximum Non-Repetitive Surge Current
Fig. 16 - On-State Power Loss Characteristics
Fig. 17 - On-State Power Loss Characteristics
3500
4000
4500
5000
5500
6000
6500
7000
7500
11010
0
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave On-state Current (A)
VSK.250.. Series
Per Junction
At Any Rated Load Condition And With
Rated V
RRM
Applied Following Surge.
Initial T = 130°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
3000
4000
5000
6000
7000
8000
9000
0.01 0.1 1
Peak Half Sine Wave On-state Current (A)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Curren t
Versus Pulse Train Duration. Control
Of Conduction May Not Be Maintained .
VSK.250.. Series
Per Junction
Initial T
J
= 130°C
No Voltage Reapplied
Rated V
RRM
Reapplied
020406080100120
Maximum Allowable Ambient Temperature (°C)
0
.
3
K
/
W
0
.
2
5
K
/
W
0
.
2
0
K
/
W
0
.
1
6
K
/
W
0
.
1
2
K
/
W
0
.
0
8
K
/
W
0
.
0
5
K
/
W
R
=
0
.
0
2
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
100
200
300
400
500
600
700
0 100 200 300 400 500 600
180°
120°
90°
60°
30°
Maximum Total On-state Power Loss (W)
Conduction angle
Total RMS Output Current (A)
VSK.250.. Series
Per Module
T
J
= 130°C
0 20406080100120
Maximum Allowable Ambient Temperature (°C)
R
=
0
.
0
1
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0.02
K
/
W
0
.
0
3
K
/
W
0
.
0
4
K
/
W
0
.
0
5
K
/
W
0
.
0
6
K
/
W
0
.
1
K
/
W
0
.
1
2
K
/
W
0
.
1
6
K
/
W
0
.
3
K
/
W
0
200
400
600
800
1000
1200
1400
0
100 200 300 400 500
Maximum Total Power Loss (W)
Total Output Current (A)
180°
(Sine)
180°
(Rect)
2 x VSK.250.. Series
Single Phase Bridge
Connected
T
J
= 130°C