Difference between IGBT, BJT and MOSFET? All Questions › Category: Power Electronics › Difference between IGBT, BJT and MOSFET? 0 Vote Up Vote Down Chetan Shidling Staff asked 5 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 5 years ago The MOSFET has high switching speed whereas the BJT has low loss and IGBT is made from taking advantage of MOSFET and BJT, i.e, high switching speed and low loss. The IGBT has low loss and high switching speed.