4500 V, 1200 A single switch IGBT module IHV-B 4500 V, 1200 A 190 mm single switch IGBT Module with Trench/Fieldstop IGBT3, Emitter Controlled 3 diode and isolated AlSiC Base Plate - The best solution for your HVDC application. In comparison to the standard type the S7 type can be driven with VGE=25 V instead of the usual 15 V