User guide
Document Number: 94653 For technical questions, contact: ind-modules@vishay.com
www.vishay.com
Revision: 17-Dec-08 5
VSK(U, V)41.., VSK(U, V)56.. Series
ADD-A-PAK Generation VII Power Modules
Thyristor/Thyristor, 45 A/60 A
Vishay High Power Products
Fig. 7 - On-State Power Loss Characteristics
Fig. 8 - On-State Power Loss Characteristics
Fig. 9 - On-State Voltage Characteristics
Total output current (A)
Maximum total power loss (W)
Maximum allowable ambient temperature (°C)
0 20 40 60 80 100 120 140
RthSA = 0.1 °C/W
0.2 °C/W
0.3 °C/W
0.5 °C/W
0.7 °C/W
1 °C/W
1.5 °C/W
0 20406080100
0
50
100
150
200
250
300
350
180°
(sine)
180°
(rect)
2 x VSK.41 Series
single phase bridge connected
Tj = 125°C
∼
Total output current (A)
Maximum allowable ambient temperature (°C)
Maximum total power loss (W)
0 20 40 60 80 100 120 140
RthSA = 0.1 °C/W
0.2 °C/W
0.3 °C/W
0.5 °C/W
0.7 °C/W
1 °C/W
0 50 100 150 200
0
100
200
300
400
500
60°
(rect)
3 x VSK.41 Series
6-pulse midpoint
connection bridge
Tj = 125°C
Instantaneous on-state voltage (V)
Instantaneous on-state current (A)
0.51.01.52.02.53.03.54.04.55.0
1
10
100
1000
Tj = 25°C
Tj = 125°C
VSK. 41 Series
Per leg










