CNC Asia supply Power Transistor Modules: Darlington, IGBT, IPM module for a variety of Manufacturers drive units, including Mitsubishi, Okuma, Fanuc, GE Fanuc, Siemens, Yaskawa, Hitachi, Toshiba and many more that have been manufacturered in the past. CNC Asia and the rest of the group have several thousand transistors in stock. We are more than happy to supply you 1 transistor module if that's all that's need to fix your CNC Drive.