© by SEMIKRON B 3 – 13
Thyristors
SKT 40
SKT 50
Features
•Hermetic metal cases with
glass insulators
•Threaded studs ISO M8
or
UNF 1/4-28
•International standard cases
Typical Applications
•DC motor control
(e. g. for machine tools)
•Controlled rectifier s
(e. g. for battery charging)
•AC controllers
(e. g. for temperature control)
♦
available in limited quantities
V
RSM
V
RRM
(
dv
)
I
TRMS
(maximum values for cont inuous o peration)
V
DRM
dt
cr
63 A 78 A
I
TAV
(sin. 180; T
case
= . . . °C)
VVV/µs 40 A (80 °C) 50 A (78 °C)
500 400 500 SKT 40/04 D –
700 600 500 SKT 40/06 D SKT 50/06 D*
900 800 500 SKT 40/08 D SKT 50/08 D
1300 1200 1000 SKT 40/12 E SKT 50/12 E*
1500 1400 1000 SKT 40/14 E SKT 50/14 E*
1700 1600 1000 SKT 40/16 E SKT 50/16 E*
1900 1800 1000 SKT 40/18 E
♦
SKT 50/18 E
♦
Symbol Conditions SKT 40 SKT 50 Units
I
TAV
sin. 180; T
case
= 85 °C3845 A
I
TSM
T
vj
= 25 °C; 10 ms 700 1050 A
T
vj
= 130 °C; 10 ms 600 900 A
i
2
tT
vj
= 25 °C; 8,35 ... 10 ms 2500 5000 A
2
s
T
vj
= 130 °C; 8,35 ... 10 ms 1800 4000 A
2
s
t
gd
T
vj
= 25 °C; I
G
= 1 A;
di
G
/dt = 1 A/µstyp. 1µs
t
gr
V
D
= 0,67 . V
DRM
typ. 1,5 µs
(di/dt)
cr
f = 50 . . . 60 Hz 50 A/µs
I
H
T
vj
= 25 °C typ. 100; max. 200 mA
I
L
T
vj
= 25 °C; R
G
= 33 Ωtyp. 250; m ax. 400 mA
t
q
T
vj
= 130 °C; typ. 100 µs
V
T
T
vj
= 25 °C; I
T
= 120 A; max. 1,95 1,8 V
V
T(TO)
T
vj
= 130 °C 1,0 1,1 V
r
T
T
vj
= 130 °C95mΩ
I
DD
, I
RD
T
vj
= 130 °C; V
DD
= V
DRM
V
RD
= V
RRM
88mA
V
GT
T
vj
= 25 °C3V
I
GT
T
vj
= 25 °C150mA
V
GD
T
vj
= 130 °C0,25V
I
GD
T
vj
= 130 °C5mA
R
thjc
cont. 0,60 0,57 °C/W
sin. 180 0,66 0,60 °C/W
rec. 120 0,70 0,65 °C/W
R
thch
0,20 °C/W
T
vj
– 40 ... +130 °C
T
stg
– 55 ... +150 °C
M SI units 4 (UNF: 2,5) Nm
US units 35 (UNF: 22) lb. in.
a5
.
9,81 m/s
2
w 2,2 g
Case B 3
* Available with UNF thread 1/4-28 UNF2A, e.g. SKT 50/06 D UNF
0895
© by SEMIKRONB 3 – 14
© by SEMIKRON B 3 – 15
© by SEMIKRONB 3 – 16
