The IKY40N120CH3XKSA1 is an insulated-gate bipolar transistor (IGBT) manufactured by Infineon. It has an operating voltage of 1200V, a nominal current of 40A, and a switching frequency of 25kHz. The IGBT has a low saturation voltage of 2.3V, a low on-state resistance, and a high frequency operation. It is equipped with a fast, soft-commutation diode, and the slim DSO package is designed for high power switching applications, such as solar inverters, UPS systems, AC/DC converters, and motion control drives.