SKT 55
Stud Thyristor
Line Thyristor
SKT 55
Features
Hermetic metal case with glass insulator
Threaded stud ISO M12
International standard case
Typical Applications
DC motor control
(e. g. for machines tools)
Controlled rectifiers
(e. g. for battery charging)
AC controllers
(e. g. for temperature control)
Recommended snubber network
e. g. for V
400 V:
VRMS
R = 47 •/10 W, C = 0,22 •F
SKT
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V
,
I
= 110 A (maximum value for continuous
RRM
TRMS
V
RSM
V
DRM
I
= 55 A (sin. 180; T
V
V
TAV
500
400
SKT 55/04D
700
600
SKT 55/06D
900
800
SKT 55/08D
1300
1200
SKT 55/12E
1500
1400
SKT 55/14E
1700
1600
SKT 55/16E
1900
1800
SKT 55/18E
Symbol Conditions
I
sin. 180; T
= 100 (85) °C
TAV
c
I
K3; T
= 45 °C; B2 / B6
D
a
K1,1; T
= 45 °C; B2 / B6
a
I
K3; T
= 45 °C; W1C
RMS
a
I
T
= 25 °C; 10 ms
TSM
vj
T
= 130 °C; 10 ms
vj
T
= 25 °C; 8,35 ... 10 ms
i²t
vj
T
= 130 °C; 8,35 ... 10 ms
vj
V
T
= 25 °C; I
= 200 A
T
vj
T
V
T
= 130 °C
T(TO)
vj
r
T
= 130 °C
T
vj
I
; I
T
= 130 °C; V
= V
; V
= V
DD
RD
vj
RD
RRM
DD
t
T
= 25 °C; I
= 1 A; di
/dt = 1 A/µs
gd
vj
G
G
t
V
= 0,67 * V
gr
D
DRM
(di/dt)
T
= 130 °C
cr
vj
(dv/dt)
T
= 130 °C ; SKT ...D / SKT ...E
cr
vj
t
T
= 130 °C
q
vj
I
T
= 25 °C; typ. / max.
H
vj
I
T
= 25 °C; typ. / max.
L
vj
V
T
= 25 °C; d.c.
GT
vj
I
T
= 25 °C; d.c.
GT
vj
V
T
= 130 °C; d.c.
GD
vj
I
T
= 130 °C; d.c.
GD
vj
R
cont.
th(j-c)
R
sin. 180
th(j-c)
R
rec. 120
th(j-c)
R
th(c-s)
T
vj
T
stg
V
isol
M
to heatsink
s
a
m
approx.
Case
Diagrams
operation)
= 92 °C)
c
Values
Units
47 ( 63 )
A
42 / 60
A
76 / 110
A
46
A
1300
A
1100
A
8500
A²s
6000
A²s
max. 1,8
V
max. 0,9
V
max. 4
m•
max. 25
mA
DRM
1
µs
2
µs
max. 50
A/µs
max. 500 / 1000 V/µs
100
µs
150 / 250
mA
300 / 600
mA
min. 3
V
min. 150
mA
max. 0,25
V
max. 10
mA
0,4
K/W
0,47
K/W
0,53
K/W
0,08
K/W
- 40 ... + 130
°C
- 55 ... + 150
°C
-
V~
10
Nm
5 * 9,81
m/s²
65
g
B 5