Semikron skiip igbt module Skiip37nab12t4v1 Semikron skiip igbt module Skiip26ac12t4v1 Semikron skiip igbt module Skiip25ac12t4v1 Semikron skiip igbt module Skiip24ac12t4v1 Semikron skiip igbt module Skiip23ac12t4v1 Semikron skiip igbt module FF450R12KT4 Infineon Igbt module DD600N18K Infineon diode module MCC501-16IO1 IXYS scr Thyristors module VVZF70-16IO7 IXYS diode for Dc Drive SDCS CON4 Dc Drive control cards MCD224-20IO1 IXYS Thyristors scr diode module