The BT40T120CKFH with TO-247-3 IGBTs ROHS is a device manufactured by Huajing. It is an Industrial Grade 600V 40A 3-Pin IGBT. It is a fast-switching, low-loss, compact, and highly reliable device with an isolated metal base plate. It can perform a wide range of duties including motor control, inverter applications, resonant topologies, servo drives, and many other applications. The TO-247-3 pinout includes a gate, emitter, and collector pin for controlling and current flow. This IGBT also features a low thermal resistance junction to case, low power losses and temperature-dependent feedback compensation for easy use. It is RoHS Compliant and meets the requirements of UL1557.