3300V Single Switch IGBT Modules Infineon Technologies 3300V Single Switch IGBT Modules offer high DC stability and is an excellent solution for traction and industry applications. The FZ1000R33HE3 is a 1000A, 130mm single-switch IGBT module. The FZ1500R33HL3 is a 1500A, 190mm single-switch IGBT module.