Instruction Manual
www.vishay.com For technical questions, contact: ind-modules@vishay.com
Document Number: 94421
6 Revision: 24-Apr-08
VSK.71, .91..PbF Series
Vishay High Power Products
Thyristor/Diode and Thyristor/Thyristor
(ADD-A-PAK
TM
Generation 5 Power Modules),
75/95 A
Fig. 10 - Current Ratings Characteristics
Fig. 11 - Current Ratings Characteristics
Fig. 12 - On-State Power Loss Characteristics
Fig. 13 - On-State Power Loss Characteristics
Fig. 14 - Maximum Non-Repetitive Surge Current
Fig. 15 - Maximum Non-Repetitive Surge Current
70
80
90
100
110
120
130
020406080100
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Cond uction Angle
VSK.91.. Series
R (DC) = 0.27 K/ W
thJC
70
80
90
100
110
120
130
0 20406080100120140160
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
VSK.91.. Series
R (DC) = 0.27 K/W
thJC
0
20
40
60
80
100
120
140
020406080100
RM S Li m it
Conduc tion Angle
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
180°
120°
90°
60°
30°
VSK.91.. Series
Pe r Ju n c t i o n
T = 1 2 5 ° C
J
0
20
40
60
80
100
120
140
160
180
0 20406080100120140160
DC
180°
120°
90°
60°
30°
RM S Lim i t
Conduction Period
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
VSK.91.. Serie s
Pe r Ju n c t io n
T = 1 2 5 ° C
J
700
800
900
1000
1100
1200
1300
1400
1500
1600
110100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave On-state Current (A)
Init ial T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
VSK.91.. Serie s
Pe r Ju n c t io n
600
800
1000
1200
1400
1600
1800
0.01 0.1 1
Peak Half Sine Wave On-state Current (A)
Pulse Train Duration (s)
Versus Pulse Train Duration. Control
Initial T = 125°C
No Voltage Reapplied
Ra t e d V Re a p p lie d
RRM
J
Of Conduction May Not Be Maintained.
Ma ximum No n Rep etitive Surg e Current
VSK.91.. Serie s
Pe r Ju n c t io n