Instruction Manual
www.vishay.com For technical questions, contact: ind-modules@vishay.com
Document Number: 94421
8 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. 19 - On-State Voltage Drop Characteristics
Fig. 20 - On-State Voltage Drop Characteristics
Fig. 21 - Recovery Charge Characteristics
Fig. 22 - Recovery Current Characteristics
Fig. 23 - Thermal Impedance Z
thJC
Characteristics
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5 4
T = 25 ° C
J
Instantaneous On-state Current (A)
Instantaneous On-state Voltage (V)
T = 125°C
J
VSK.71.. Series
Pe r J u n c t io n
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
T = 2 5 ° C
J
Instantaneous On-state Current (A)
In st a n t a n e o us O n -st a t e Vo l t a g e ( V)
T = 125°C
J
VSK.91.. Series
Pe r Ju n c t io n
100
200
300
400
500
600
700
10 20 30 40 50 60 70 80 90 100
100 A
50 A
Rate Of Fall Of On-state Current - di/dt (A/µs)
Maximum Reverse Rec overy Charge - Qrr (µC)
I = 200 A
TM
20 A
10 A
VSK.71.. Se ries
VSK.91.. Se ries
T = 1 2 5 ° C
J
20
40
60
80
100
120
140
10 20 30 40 50 60 70 80 90 100
Ma ximum Reverse Re covery Current - Irr (A)
Rate Of Fall Of Forward Current - di/dt (A/µs)
100 A
50 A
I = 200 A
TM
20 A
10 A
VSK.71.. Se ries
VSK.91.. Se ries
T = 1 2 5 ° C
J
0.01
0.1
1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
thJC
Transient Thermal Impedance Z (K/W)
Pe r Ju n c t i o n
St e a d y State Value:
R = 0.33 K/ W
R = 0.27 K/ W
(DC Operation)
VSK.71.. Series
VSK.91.. Series
thJC
thJC