© by SEMIKRON B 3 – 370898
V
RSM
V
RRM
(dv/dt)
cr
I
TRMS
(maximum values for continuous operation)
V
DRM
1000 A 1200 A
I
TAV
(sin. 180; T
case
= . . .; DSC)
VVV/µs 640 A (58 °C) 765 A (61 °C)
500
900
1300
1500
1700
1900
2100
2300
400
800
1200
1400
1600
1800
2000
2200
500
1000
1000
1000
1000
1000
1000
1000
SKT 491/04 D
SKT 491/08 E
SKT 491/12 E
SKT 491/14 E
SKT 491/16 E
SKT 491/18 E
SKT 491/20 E
SKT 491/22 E
–
SKT 551/08 E
SKT 551/12 E
SKT 551/14 E
SKT 551/16 E
SKT 551/18 E
–
–
Symbol Conditions SKT 491 SKT 551 Units
I
TAV
sin. 180; (T
case
= . . .); DSC 490
(80) 550
(85) A
°C
I
TSM
i
2
t
T
vj
= 25 °C
T
vj
= 125 °C
T
vj
= 25 °C
T
vj
= 125 °C
8 000
7 000
320 000
245 000
9 000
8 000
405 000
320 000
A
A
A
2
s
A
2
s
t
gd
t
gr
T
vj
= 25 °C I
G
= 1 A
di
G
/dt = 1 A/µs
V
D
= 0,67
.
V
DRM
typ. 1
typ. 1 µs
µs
(di/dt)
cr
I
H
I
L
t
q
f = 50 ... 60 Hz
T
vj
= 25 °C; typ./max.
T
vj
= 2 5 °C ; R
G
= 33 Ω; typ ./m a x.
T
vj
= 125 °C; typ.
125
150 / 500
0,5 / 2
50 ... 150
A/µs
mA
A
µs
V
T
V
T(TO)
r
T
T
vj
= 2 5 °C ; I
T
= 1500 A; ma x.
T
vj
= 125 °C
T
vj
= 125 °C
2,1
1,1
0,7
1,65
0,925
0,45
V
V
mΩ
I
DD
; I
RD
T
vj
= 125 °C; V
RD
= V
RRM
V
DD
= V
DRM
50 mA
V
GT
I
GT
V
GD
I
GD
T
vj
= 25 °C
T
vj
= 25 °C
T
vj
= 125 °C
T
vj
= 125 °C
3
250
0,25
10
V
mA
V
mA
R
thjc
R
thch
T
vj
T
stg
cont.;
si n. 180; DSC/SSC
rec . 120; DSC/SSC
DSC/SSC
0,045
0,047 / 0,100
0,054 / 0,113
0,012 / 0,024
– 40 . .. + 125
– 40 . .. + 130
°C/W
°C/W
°C/W
°C/W
°C
°C
F
w
S I units
US units 5, 2 ... 8
1200 ... 1800
105
kN
lbs.
g
Case
→
page B 3 – 32 B 11
Thyristors
SKT 491
SKT 551
Features
•
Hermetic metal/ceramic cases
•
Ca psule packages for double
sided cooling
•
Shallow d esign with single
sided cooling
•
International standard cases
•
Off-state and reverse voltages
up to 1800 V
•
Amplifying gate
Typical Applications
•
DC mo tor control
(e. g. for machine tools)
•
Controlled rectifiers
(e. g. for battery charging)
•
A C contr o ller s
(e. g. for temperature control)
© by SEMIKRONB 3 – 38
© by SEMIKRON B 3 – 39
© by SEMIKRONB 3 – 40
© by SEMIKRONB 3 – 32 0895
