1.Thyristor / Diode Modules 2.Cross to Semikron thyristor module,SKKT Series. 3,We use SCR GPP chips and vacuum technics make. Product DescriptionFeatures Heat transfer through aluminium oxide ceramic isolated metal baseplate Hard soldered joints for high reliability Typical Applications DC motor control (e. G. For machine tools) AC motor soft starters Temperature control (e. G. For ovens, ...