Vishay high power products, Switching, Blocking – C&H Technology VSK.250PbF Series User Manual
Page 4: Triggering, Thermal and mechanical specifications

Document Number: 94417
For technical questions, contact:
www.vishay.com
Revision: 08-Oct-09
3
VSK.170PbF, VSK.250PbF Series
SCR/SCR and SCR/Diode
(MAGN-A-PAK Power Modules), 170 A/250 A
Vishay High Power Products
SWITCHING
PARAMETER
SYMBOL
TEST CONDITIONS
VSK.170
VSK.250
UNITS
Typical delay time
t
d
T
J
= 25 °C, gate current = 1 A dI
g
/dt = 1 A/µs
V
d
= 0.67 % V
DRM
1.0
µs
Typical rise time
t
r
2.0
Typical turn-off time
t
q
I
TM
= 300 A; dI/dt = 15 A/µs; T
J
= T
J
maximum;
V
R
= 50 V; dV/dt = 20 V/µs; gate 0 V, 100
Ω
50 to 150
BLOCKING
PARAMETER
SYMBOL
TEST CONDITIONS
VSK.170
VSK.250
UNITS
Maximum peak reverse and
off-state leakage current
I
RRM,
I
DRM
T
J
= T
J
maximum
50
60
mA
RMS insulation voltage
V
INS
50 Hz, circuit to base, all terminals shorted, 25 °C, 1 s
3000
V
Critical rate of rise of off-state voltage
dV/dt
T
J
= T
J
maximum, exponential to 67 % rated V
DRM
1000
V/µs
TRIGGERING
PARAMETER
SYMBOL
TEST CONDITIONS
VSK.170
VSK.250
UNITS
Maximum peak gate power
P
GM
t
p
≤ 5 ms, T
J
= T
J
maximum
10.0
W
Maximum average gate power
P
G(AV)
f = 50 Hz, T
J
= T
J
maximum
2.0
Maximum peak gate current
+ I
GM
t
p
≤ 5 ms, T
J
= T
J
maximum
3.0
A
Maximum peak negative gate voltage
- V
GT
t
p
≤ 5 ms, T
J
= T
J
maximum
5.0
V
Maximum required DC gate voltage to trigger
V
GT
T
J
= - 40 °C
Anode supply = 12 V,
resistive load; Ra = 1
Ω
4.0
T
J
= 25 °C
3.0
T
J
= T
J
maximum
2.0
Maximum required DC gate current to trigger
I
GT
T
J
= - 40 °C
Anode supply = 12 V,
resistive load; Ra = 1
Ω
350
mA
T
J
= 25 °C
200
T
J
= T
J
maximum
100
Maximum gate voltage that will not trigger
V
GD
T
J
= T
J
maximum, rated V
DRM
applied
0.25
V
Maximum gate current that willnot trigger
I
GD
T
J
= T
J
maximum, rated V
DRM
applied
10.0
mA
Maximum rate of rise of turned-on current
dI/dt
T
J
= T
J
maximum, I
TM
= 400 A,
rated V
DRM
applied
500
A/µs
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
VSK.170
VSK.250
UNITS
Junction operating and storage
temperature range
T
J
, T
Stg
- 40 to 130
°C
Maximum thermal resistance,
junction to case per junction
R
thJC
DC operation
0.17
0.125
K/W
Typical thermal resistance,
case to heatsink per module
R
thCS
Mounting surface flat, smooth and greased
0.02
0.02
Mounting torque ± 10 %
MAP to heatsink
A mounting compound is recommended and
the torque should be rechecked after a
period of about 3 hours to allow for the
spread of the compound.
4 to 6
Nm
busbar to MAP
Approximate weight
500
g
17.8
oz.
Case style
MAGN-A-PAK