The SPT40N120F1A1 is an insulated gate bipolar transistor (IGBT) with a TO-247-3 package form factor, manufactured by SPTECH. This IGBT device is RoHS (Restriction of Hazardous Substances) compliant with low EMI, providing fast switching and very low saturation voltage. Its nominal collector current is 40A and its peak collector current is 120A. It has a blocking voltage of 1200V and a maximum switching frequency of 30kHz. The device is also equipped with an integrated fast freewheeling diode. This IGBT is used in a variety of applications such as welding, power converters, and motor control.