by SEMIKRON
B 3 27
Thyristors
SKT 250
SKT 300
Features
Hermetic metal cases with
ceramic insulators
Threaded studs ISO M24 x 1,5
or
UNF 3/4-16
High i
2
t and I
TSM
values for
easy fusing
International standard cases
Typical Applications
DC motor control
(e. g. for machine tools)
Controlled rectifiers
(e. g. for battery charging)
AC controllers
(e. g. for temperature control)
V
RSM
V
RRM
(
dv
)
I
TRMS
(maximum values for continuous operation)
V
DRM
dt
cr
450 A
550 A
I
TAV
(sin. 180; T
case
= . . .
C)
V
V
V/
s
285 A (77
C)
350 A (85
C)
500
400
500
SKT 250/04 D
SKT 300/04 D
900
800
500
SKT 250/08 D
SKT 300/08 D*
1300
1200
1000
SKT 250/12 E
SKT 300/12 E*
1500
1400
1000
SKT 250/14 E
SKT 300/14 E*
1700
1600
1000
SKT 250/16 E
SKT 300/16 E*
Symbol |Conditions
SKT 250
SKT 300
Units
I
TAV
sin. 180; (T
case
= . . . )
250 (85
C)
300 (93
C)
A
I
TSM
T
vj
= 25
C; 10 ms
7000
11 000
A
T
vj
= 130
C; 10 ms
6000
10 000
A
i
2
t
T
vj
= 25
C; 8,35 ... 10 ms
245 000
600 000
A
2
s
T
vj
= 130
C; 8,35 ... 10 ms
180 000
500 000
A
2
s
t
gd
T
vj
= 25
C;I
G
= 1 A;
di
G
/dt = 1 A/
s
typ. 1
s
t
gr
V
D
= 0,67 . V
DRM
typ. 2
s
(di/dt)
cr
f = 50 . . . 60 Hz
100
A/
s
I
H
T
vj
= 25
C;
typ. 150; max. 250
mA
I
L
T
vj
= 25
C; R
G
= 33
typ. 300; max. 600
mA
t
q
T
vj
= 130
C; typ.
50 ... 150
s
V
T
T
vj
= 25
C; I
T
= 800 A; max.
1,65
1,45
V
V
T(TO)
T
vj
= 130
C
1,0
0,9
V
r
T
T
vj
= 130
C
0,7
0,5
m
I
DD
, I
RD
T
vj
= 130
C;
V
DD
= V
DRM
50
50
mA
V
RD
= V
RRM
V
GT
T
vj
= 25
C
3
V
I
GT
T
vj
= 25
C
200
mA
V
GD
T
vj
= 130
C
0,25
V
I
GD
T
vj
= 130
C
10
mA
R
thjc
cont.
0,110
0,090
C/W
sin. 180
0,123
0,096
C/W
rec. 120
0,137
0,101
C/W
R
thch
0,015
C/W
T
vj
40 ... +130
C
T
stg
55 ... +150
C
M
SI units
60 (UNF: 30 )
Nm
US units
530 (UNF: 265)
lb. in.
a
5 . 9,81
m/s
2
w
450
g
Case
B 7
* available with UNF thread 3/4-16 UNF2A, e.g. SKT 300/08 D UNF
0597
by SEMIKRON
B 3 31
C:
Cathode terminal (red sleeve)
Dimensions in mm
A:
Anode terminal
G:
Gate terminal (yellow sleeve)
HK: Auxiliary cathode terminal (red sleeve)
SKT 250
SKT 300
Case B 7
IEC-Publ. 191-2: A 29 MA
DIN 41893: (207 B 4)
JEDEC: TO-209 AD (TO-118)
0898
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