STT253
Thyristor-Thyristor Modules
Dimensions in mm (1mm=0.0394")
Type
V
RSM
V
DSM
V
900
1300
1500
1700
1900
V
RRM
V
DRM
V
800
1200
1400
1600
1800
STT253GK08
STT253GK12
STT253GK14
STT253GK16
STT253GK18
Symbol
I
TRMS
, I
FRMS
T
VJ
=T
VJM
I
TAVM
, I
FAVM
T
C
=85
o
C; 180
o
sine
T
VJ
=45
o
C
V
R
=0
T
VJ
=T
VJM
V
R
=0
T
VJ
=45
o
C
V
R
=0
T
VJ
=T
VJM
V
R
=0
T
VJ
=T
VJM
f=50Hz, t
p
=200us
V
D
=2/3V
DRM
I
G
=1A
di
G
/dt=1A/us
Test Conditions
Maximum Ratings
400
253
Unit
A
I
TSM
, I
FSM
t=10ms (50Hz), sine
t=8.3ms (60Hz), sine
t=10ms(50Hz), sine
t=8.3ms(60Hz), sine
t=10ms (50Hz), sine
t=8.3ms (60Hz), sine
t=10ms(50Hz), sine
t=8.3ms(60Hz), sine
repetitive, I
T
=750A
8500
9000
7000
8000
405000
336000
320000
240000
250
A
i
2
dt
A
2
s
(di/dt)
cr
A/us
non repetitive, I
T
=250A
800
1000
120
60
20
10
-40...+140
140
-40...+130
V/us
W
W
V
o
(dv/dt)
cr
P
GM
P
GAV
V
RGM
T
VJ
T
VJM
T
stg
V
ISOL
M
d
Weight
T
VJ
=T
VJM
;
V
DR
=2/3V
DRM
R
GK
= ; method 1 (linear voltage rise)
T
VJ
=T
VJM
I
T
=I
TAVM
t
p
=30us
t
p
=500us
C
50/60Hz, RMS
_
I
ISOL
<1mA
t=1min
t=1s
3000
3600
2.5-5/22-44
12-15/106-132
430
V~
Nm/lb.in.
g
Mounting torque (M5)
Terminal connection torque (M8)
Typical including screws
1
2
3
4
