This part is a kind of semiconductor called K75T60.

Function of this product has IGBT.

Manufacturers : Infineon Technologies

Image and pinout :

Some of the text within the PDF file :

IKW75N60T TRENCHSTOP™ Series q Low Loss DuoPack : IGBT in TRENCHSTOP™ and Fieldstop technology with soft, fast recovery anti-parallel Emitter Controlled HE diode  Very low VCE(sat) 1.5V (typ.)  Maximum Junction Temperature 175°C  Short circuit withstand time 5s  Positive temperature coefficient in VCE(sat)  very tight parameter distribution  high ruggedness, temperature stable behaviour  very high switching speed  Low EMI  Very soft, fast recovery anti-parallel Emitter Controlled HE diode  Qualified according to JEDEC1) for target applications  Pb-free lead plating; RoHS compliant  Complete product spectrum and PSpice Models : http://www.infineon.com/igbt/ Applications:  Frequency Converters  Uninterrupted Power Supply C G E PG-TO247-3 [ ... ]

K75T60 PDF Datasheet Download