Instruction Manual
www.vishay.com For technical questions, contact: ind-modules@vishay.com
Document Number: 94418
4 Revision: 22-Apr-08
VSK.26..PbF Series
Vishay High Power Products
Thyristor/Diode and Thyristor/Thyristor
(ADD-A-PAK
TM
Generation 5 Power Modules), 27 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
80
90
100
110
120
130
0 5 10 15 20 25 30
Maximum Allowable Case Temperature (°C)
30°
60°
90°
120°
180°
Average On-state Current (A)
Conduction Angle
VSK.26.. Se rie s
R (DC) = 0.62 K/ W
thJC
80
90
100
110
120
130
01020304050
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
VSK.26.. Series
R (DC) = 0.62 K/ W
thJC
0
10
20
30
40
50
0 5 10 15 20 25 30
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.26.. Series
Pe r Jun c t i o n
T = 125°C
J
0
10
20
30
40
50
60
70
01020304050
DC
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Period
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
VSK.26.. Se rie s
Pe r Ju nc t io n
T = 1 2 5 ° C
J
150
200
250
300
350
400
110100
Number Of Eq ual Amplitude Half Cyc le Current Pulses (N)
Pe a k Half Sine Wa ve On-st ate Curre nt (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 App lied Following Surg e.
RRM
VSK.26.. Se rie s
Pe r Ju n c t io n
150
200
250
300
350
400
0.01 0.1 1
Pulse Train Duration (s)
Versus Pulse Train Duration. Control
Pea k Half Sin e Wa ve On-sta t e Current (A)
Init ia l T = 125°C
No Voltage Reapplied
Rated V Reapplied
RRM
J
Maximum Non Repetitive Surge Current
Of Conduction May Not Be Maintained.
VSK.26.. Serie s
Pe r Ju n c t i o n