SEMITOP®2
Half controlled 3-phase
soft starter module
SK 25 UH
Preliminary Data
Features
! " #
$ %&''( " "
$) *+ , - &. /.0
Typical Applications
1
) + ,,,
2
UH
(314 (334+ (34 5341 6 07 8
( ( 26 9/ :
7'' 9'' 1; 0/ $ '9
%.'' %0'' 1; 0/ $ %0
%<'' %&'' 1; 0/ $ %&
Symbol Conditions Values Units
5341 =% > , %9': > 26 %'': 0' 8
=% > , %9': > 26 9/: 07 8
5214 2"? 6 0/ : > %' .0' 8
2"? 6 %0/ : > %' 09' 8
@ 2"? 6 0/ : > 9+.,,,%' /%' 8@
2"? 6 %0/ : > 9+.,,,%' .7' 8@
(22"? 6 0/ :+ 526 </ 8 , 0+A/ (
(22 2"? 6 %0/ : , %+% (
22"? 6 %0/ : , 0' B
5>53 2"? 6 %0/ :+ (36(334 , 9 8
2"? 6 0/ :+ 5!6 % 8> !C6 % 8CD % D
(6 '+&< E(34 % D
"C 2"? 6 %0/ : /'' (CD
C 2"? 6 %0/ :> 6 /',,,&' * %'' 8CD
F2"? 6 %0/ :> #, 9' D
52"? 6 0/ :> #, C , 9' C %/' 8
5)2"? 6 0/ :> 3!6 .. B > #, C , %/' C .'' 8
(!2 2"? 6 0/ :> ,, , 0 (
5!2 2"? 6 0/ :> ,, , %'' 8
(! 2"? 6 %0/ :> ,, , '+0/ (
5! 2"? 6 %0/ :> ,, , . 8
3?G , #C %+< ;C=
%9': #C %+<9 ;C=
3?G , =% '+9/ ;C=
%9': =% '+97 ;C=
2"? GA' ,,, H%0/ :
2 GA' ,,, H%0/ :
2 + %' 0&' :
( , , /' *> ,,,> % C % , 0/'' C .''' (I
44 F J 0 K
4K
C@
%7
1-452LM0 2 %'
SK 25 UH
1 11-04-2005 RAM © by SEMIKRON
Fig. 1 Power dissipation per phase vs. r.m.s. current Fig. 2 Transient thermal impedance vs. time
Fig. 3 On-state characteristics single thyristor Fig. 4 Surge overload current vs. time
SK 25 UH
2 11-04-2005 RAM © by SEMIKRON
Fig. 5 Gate trigger characteristics of single thyristor
Dimensions in mm
2%' 1 + L+
N 0
2%' $
This technical information specifies semiconductor devices but promises no characteristics. No warranty or guarantee
expressed or implied is made regarding delivery, performance or suitability.
SK 25 UH
3 11-04-2005 RAM © by SEMIKRON
