The STT100GK16 is a Module, double series, 1.6kV, 100A, 21mm diode manufactured by Sirectifier. It has a maximum forward voltage (Ufmax) of 1.74 volts and a maximum surge current level (Ifsm) of 1.7kA. It is mainly used power electronic applications, especially for medium and high power circulations, such as switching mode power supplies, collectors motor drives, welding and electrochemical applications, etc.