4500 V, 1800 A single switch IGBT module IHV-B 4500 V , 1800 A 190 mm single switch IGBT Module with Trench/Fieldstop IGBT4, Emitter Controlled 4 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