The SPT40N120F1CT8TL is an insulated-gate bipolar transistor (IGBT) with a TO-247-3 plastic package manufactured by SPS. The device features a robust construction, fast switching speed, low operating and switching losses, and is intended for use in applications ranging from power supplies, motor control, and lighting to solar applications. This IGBT is RoHS compliant, meaning it is free from hazardous materials. It has a voltage rating of 400V and a current rating of 40A. It has a low on-state voltage drop and features improved temperature and fatigue cycle reliability.