This part is a kind of semiconductor called IRFP460LC.
Function of this product has Power MOSFET.
Manufacturers : International Rectifier
Image and pinout :

Some of the text within the PDF file :
Previous Datasheet Index Next Data Sheet PD - 9.1232 IRFP460LC HEXFET ® Power MOSFET Ultra Low Gate Charge Reduced Gate Drive Requirement Enhanced 30V V gs Rating Reduced C iss, Coss, Crss Isolated Central Mounting Hole Dynamic dv/dt Rated Repetitive Avalanche Rated Description This new series of Low Charge HEXFET Power MOSFETs achieve significantly lower gate charge over conventional MOSFETs. Utilizing advanced Hexfet technology the device improvements allow for reduced gate drive requirements, faster switching speeds and increased total system savings. These device improvements combined with the proven ruggedness and reliability of HEXFETs offer the designer a new standard in power transistors for switching applications. The TO-247 package is preferred for commercial-industrial appl [ ... ]
IRFP460LC PDF Datasheet Download
