This part is a kind of semiconductor called K30N60HS.
Function of this product has SKW30N60HS.
Manufacturers : Infineon
Image and pinout :

Some of the text within the PDF file :
SKW30N60HS High Speed IGBT in NPT-technology • 30% lower Eoff compared to previous generation • Short circuit withstand time – 10 µs • Designed for operation above 30 kHz • NPT-Technology for 600V applications offers: - parallel switching capability - moderate Eoff increase with temperature - very tight parameter distribution • High ruggedness, temperature stable behaviour • Pb-free lead plating; RoHS compliant • Qualified according to JEDEC1 for target applications • Complete product spectrum and PSpice Models : http://www.infineon.com/igbt/ C G E PG-TO-247-3 Type VCE IC Eoff Tj Marking Package SKW30N60HS 600V 30 480µJ 150°C K30N60HS PG-TO-247-3 Maximum Ratings Parameter Symbol Value Collector-emitter voltage DC collector current TC = 25°C TC = 100°C P [ ... ]
K30N60HS PDF Datasheet Download
