onsemi FGH4L40T120LQD IGBT is a robust Ultra Field Stop Trench construction that provides superior performance in demanding switching applications. This IGBT is incorporated into the device which is a soft and fast co-packaged free-wheeling diode with a low forward voltage. The FGH4L40T120LQD IGBT offers both low on-state voltage and minimal switching loss. This IGBT operates at 175°C maximum junction temperature. The FGH4L40T120LQD IGBT operates at 1200V, 40A, and is built in a TO247 4L package. Typical applications include solar inverters and UPS, industrial switching, and welding.