SK 25 UH ® SEMITOP 2 Half controlled 3-phase soft starter module SK 25 UH Preliminary Data Features ! " # $ %&''( " " $) *+ , - &. /.0 Typical Applications 1 ) + ,,, 2 (314 (334+ (34 5341 6 07 8 ( 7'' %.'' ( 9'' %0'' 2 6 9/ : 1; 0/ $ '9 1; 0/ $ %0 %<'' %&'' 1; 0/ $ %& Symbol Conditions Values Units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© by SEMIKRON SK 25 UH 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 2 11-04-2005 RAM © by SEMIKRON SK 25 UH Fig. 5 Gate trigger characteristics of single thyristor Dimensions in mm 2%' $ 2%' 1 + L+ N 0 This technical information specifies semiconductor devices but promises no characteristics. No warranty or guarantee expressed or implied is made regarding delivery, performance or suitability. 3 11-04-2005 RAM © by SEMIKRON