This part is a kind of semiconductor called 50N60T.

Function of this product has IKW50N60T.

Manufacturers : Infineon

Image and pinout :

Some of the text within the PDF file :

TrenchStop® Series IKW50N60T q Low Loss DuoPack : IGBT in TrenchStop® and Fieldstop technology with soft, fast recovery anti-parallel Emitter Controlled HE diode      C        Very low VCE(sat) 1.5 V (typ.) Maximum Junction Temperature 175 °C Short circuit withstand time – 5s Designed for : - Frequency Converters - Uninterrupted Power Supply ® TrenchStop and Fieldstop technology for 600 V applications offers : - very tight parameter distribution - high ruggedness, temperature stable behavior - very high switching speed Positive temperature coefficient in VCE(sat) Low EMI Low Gate Charge Very soft, fast recovery anti-parallel Emitter Controlled HE diode 1 Qualified according to JEDEC for target applications Pb-free lead plating; RoHS complian [ ... ]

50N60T PDF Datasheet Download