This part is a kind of semiconductor called IRFP264N.
Function of this product has Power MOSFET.
Manufacturers : International Rectifier
Image and pinout :

Some of the text within the PDF file :
PD - 94214 IRFP264N HEXFET® Power MOSFET l l l l l l l Advanced Process Technology Dynamic dv/dt Rating 175°C Operating Temperature Fast Switching Fully Avalanche Rated Ease of Paralleling Simple Drive Requirements D VDSS = 250V RDS(on) = 60mΩ G S ID = 44A Description Fifth Generation HEXFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET Power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The TO-247 package is preferred for commercial-industrial applications where higher power levels preclude th [ ... ]
IRFP264N PDF Datasheet Download
