User Manual

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Document Number: 94515
8 Revision: 25-Apr-08
VSKU/V41, 56..PbF Series
Vishay High Power Products
Thyristor/Thyristor, 45/60 A
(ADD-A-PAK
TM
Generation 5 Power Modules)
Fig. 21 - Thermal Impedance Z
thJC
Characteristics
Fig. 22 - Gate Characteristics
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)
Per Junction
Steady State Value:
R = 0.46 K/W
R = 0.40 K/W
(DC Operation)
VSK.41.. Series
VSK.56.. Series
thJC
thJC
0.1
1
10
100
0.001 0.01 0.1 1 10 100 1000
(b)
(a)
Rectangular gate pulse
(4)
(3)
(2) (1)
(1) PGM = 100 W, tp = 500 µs
(2) PGM = 50 W, tp = 1 ms
(3) PGM = 20 W, tp = 25 ms
(4) PGM = 10 W, tp = 5 ms
Instantaneous Gate Current (A)
Instantaneous Gate Voltage (V)
TJ = -40 °C
TJ = 25 °C
TJ = 125 °C
a)Recommended load line for
b)Recommended load line for
VGD
IGD
Frequency Limited by PG(AV)
rated di/dt: 20 V, 30 ohms
tr = 0.5 µs, tp >= 6 µs
<= 30% rated di/dt: 20 V, 65 ohms
tr = 1 µs, tp >= 6 µs
VSK.41../.56.. Series