© by SEMIKRON 0898 B 1 – 31
VRSM VRRM (dv/dt)cr ITRMS (maximum value for continuous operation)
VDRM 40 A
ITAV (sin. 180; Tcase = 60 °C)
VVV/
µ
s25 A
700
900
1300
1500
1700
600
800
1200
1400
1600
500
500
1000
1000
1000
SKKT 19/06 D
SKKT 19/08 D
SKKT 19/12 E
SKKT 19/14 E
SKKT 19/16 E
SKKT 20/06 D
SKKT 20/08 D
SKKT 20/12 E
SKKT 20/14 E
SKKT 20/16 E
–
SKKT 20B08 D
SKKT 20B12 E
SKKT 20B14 E
SKKT 20B16 E
Symbol Conditions SKKT 19 SKKT 20
SKKT 20B Units
ITAV
ID
IRMS
sin. 180; Tcase = 60 °C
Tcase = 85 °C
B2/B6 Tamb = 45 °C; P 3/180
Tamb = 35 °C; P 3/180 F
W1/W3 Tamb = 45 °C; P 3/180
25
18
31 / 38
46 / 60
42 / 3 x 30
A
A
A
A
A
ITSM
i2t
Tvj = 25 °C; 10 ms
Tvj = 125 °C; 10 ms
Tvj = 25 °C; 8,3 ... 10 ms
Tvj = 125 °C; 8,3 ... 10 ms
320
280
510
390
A
A
A2s
A2s
tgd
tgr
Tvj = 25 °C; IG = 1 A
diG/dt = 1 A/µs
VD = 0,67 . VDRM
1
1µs
µs
(di/dt)cr
tq
IH
IL
Tvj = 125 °C
Tvj = 125 °C
Tvj = 25 °C; typ./max.
Tvj = 25 °C; RG = 33 Ω; typ./max.
150
typ. 80
100 / 200
250 / 400
A/µs
µs
mA
mA
VT
VT(TO)
rT
IDD; IRD
Tvj = 25 °C; IT = 75 A
Tvj = 125 °C
Tvj = 125 °C
Tvj = 125 °C; VRD = VRRM
VDD = VDRM
max. 2,3
1,0
16
max. 10
V
V
mΩ
mA
VGT
IGT
VGD
IGD
Tvj = 25 °C; d.c.
Tvj = 25 °C; d.c.
Tvj = 125 °C; d.c.
Tvj = 125 °C; d.c.
3
150
0,25
5
V
mA
V
mA
Rthjc
Rthch
Tvj
Tstg
cont.
sin. 180 per thyristor /
rec. 120 per module
1,2 / 0,6
1,3 / 0,65
1,35 / 0,68
0,2 / 0,1
– 40 ... + 125
– 40 ... + 125
°C/W
°C/W
°C/W
°C/W
°C
°C
Visol
M1
M2
a
w
a. c. 50 Hz; r.m.s; 1 s/1 min
to heatsink
to terminals
approx.
3600 / 3000
5 (44 lb. in.) + 15 %1)
3 (26 lb. in.) + 15 %
5 . 9,81
95
V~
Nm
Nm
m/s2
g
Case → page B 1 – 95 SKKT 19: A 5
SKKT 20: A 46
SKKT 20B: A 48
SEMIPACK® 1
Thyristor Modules
SKKT 19
SKKT 20
SKKT 20B
Features
•Heat transfer through aluminium
oxide ceramic isolated metal
baseplate
•Hard soldered joints for high
reliability
•UL recognized, file no. E 63 532
Typical Applications
•DC motor control (e.g. for
machine tools)
•AC motor soft starters
•Temperature control (e.g. for
ovens, chemical processes)
•Professional light dimming
(studios, theaters)
SKKT 19 SKKT 20
SKKT 20B
SI (US) units
1) See the assembly instructions
© by SEMIKRONB 1 – 32
© by SEMIKRON B 1 – 33
© by SEMIKRONB 1 – 34
© by SEMIKRON B 1 – 950898
SKKT 19 . . . 105
Case A 5
SEMIPACK
®
1
IEC 192-2: A 77 A
JEDEC: TO-240 AA
UL recognized, file no. E 63 532
SKKT 20/ . . . 106/
Case A 46
SEMIPACK
®
1
IEC 192-2: A 77 A
JEDEC: TO-240 AA
Dimensions in mm Dimensions in mm
SKKD 26 . . . 100
Case A 10
SKNH 56 . . . 91
Case A 7
SKKH 26 . . . 105
Case A 6
SKKL 56 . . . 105
Case A 9
SKND 46 . . . 81
Case A 19
SK MT 92
Case A 72
SKKE 81
Case A 12
SKKH 27 . . . 106
Case A 47
SKKT 20 B . . . 106 B
Case A 48
SKKL 42 . . . 106
Case A 59
