Instruction Manual

Document Number: 94421 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 24-Apr-08 3
VSK.71, .91..PbF Series
Thyristor/Diode and Thyristor/Thyristor
(ADD-A-PAK
TM
Generation 5 Power Modules),
75/95 A
Vishay High Power Products
Note
(1)
Available with dV/dt = 1000 V/ms, to complete code add S90 i.e. VSKT91/16AS90
Note
• Table shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
TRIGGERING
PARAMETER SYMBOL TEST CONDITIONS VSK.71 VSK.91 UNITS
Maximum peak gate power P
GM
12
W
Maximum average gate power P
G(AV)
3.0
Maximum peak gate current I
GM
3.0 A
Maximum peak negative gate voltage - V
GM
10
V
Maximum gate voltage required to trigger V
GT
T
J
= - 40 °C
Anode supply = 6 V
resistive load
4.0
T
J
= 25 °C 2.5
T
J
= 125 °C 1.7
Maximum gate current required to trigger I
GT
T
J
= - 40 °C
Anode supply = 6 V
resistive load
270
mAT
J
= 25 °C 150
T
J
= 125 °C 80
Maximum gate voltage that will not trigger V
GD
T
J
= 125 °C, rated V
DRM
applied 0.25 V
Maximum gate current that will not trigger I
GD
T
J
= 125 °C, rated V
DRM
applied 6 mA
BLOCKING
PARAMETER SYMBOL TEST CONDITIONS VSK.71 VSK.91 UNITS
Maximum peak reverse and off-state
leakage current at V
RRM
, V
DRM
I
RRM,
I
DRM
T
J
= 125 °C, gate open circuit 15 mA
RMS insulation voltage V
INS
50 Hz, circuit to base, all terminals shorted
2500 (1 min)
3500 (1 s)
V
Maximum critical rate of rise of off-state voltage dV/dt
(1)
T
J
= 125 °C, linear to 0.67 V
DRM
500 V/µs
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VSK.71 VSK.91 UNITS
Junction operating and storage
emperature range
T
J,
T
Stg
- 40 to 125 °C
Maximum internal thermal resistance,
junction to case per module
R
thJC
DC operation 0.165 0.135
K/W
Typical thermal resistance, case to heatsink R
thCS
Mounting surface flat, smooth and greased 0.1
Mounting torque ± 10 %
to heatsink
A mounting compound is recommended and the
torque should be rechecked after a period of 3
hours to allow for the spread of the compound.
5
Nm
busbar 3
Approximate weight
110 g
4oz.
Case style JEDEC TO-240AA
ΔR CONDUCTION PER JUNCTION
DEVICES
SINE HALF WAVE CONDUCTION RECTANGULAR WAVE CONDUCTION
UNITS
180° 120° 90° 60° 30° 180° 120° 90° 60° 30°
VSK.71 0.06 0.07 0.09 0.12 0.18 0.04 0.08 0.10 0.13 0.18
°C/W
VSK.91 0.04 0.05 0.06 0.08 0.12 0.03 0.05 0.06 0.08 0.12