Instruction Manual

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Document Number: 94421
4 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. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - On-State Power Loss Characteristics
Fig. 4 - On-State Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
70
80
90
100
110
120
130
0 1020304050607080
Maximum Allowable Case Temperature (°C)
30°
60°
90°
120°
180°
Average On-state Current (A)
Co nd uc tion Ang le
VSK.71.. Se ries
R ( DC ) = 0 . 3 3 K/ W
thJC
70
80
90
100
110
120
130
0 20406080100120
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
VSK.71.. Series
R (DC) = 0.33 K/ W
thJC
0
20
40
60
80
100
120
0 1020304050607080
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Angle
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
VSK.71.. Series
Per Ju n c t io n
T = 1 2 5 ° C
J
0
20
40
60
80
100
120
140
020406080100120
DC
180°
120°
90°
60°
30°
RMS Limit
Conduction Period
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
VSK.71.. Series
Pe r Ju n c t i o 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)
Pe a k Ha lf Sine Wa ve On-state Current (A)
Init ia l T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Loa d Condition And With
Rated V Applied Following Surge.
RRM
VSK.71.. Series
Pe r Junc t io n
600
800
1000
1200
1400
1600
1800
0.01 0.1 1
Pe a k Half Sine Wave On -st a t e Cu rr e n t (A)
Pulse Train Duration (s)
Initial T = 125°C
No Voltage Reapplied
Ra t e d V Re a p p l ie d
Of Conduction May Not Be Maintained.
RRM
J
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration. Control
VSK.71.. Serie s
Pe r Ju n c t io n