This part is a kind of semiconductor called IRFP460LCPBF.
Function of this product has HEXFET Power MOSFET.
Manufacturers : International Rectifier
Image and pinout :

Some of the text within the PDF file :
PD - 94902 IRFP460LCPbF • Lead-Free www.irf.com 1 12/19/03 IRFP460LCPbF 2 www.irf.com IRFP460LCPbF www.irf.com 3 IRFP460LCPbF 4 www.irf.com IRFP460LCPbF www.irf.com 5 IRFP460LCPbF 6 www.irf.com IRFP460LCPbF www.irf.com 7 IRFP460LCPbF TO-247AC Package Outline Dimensions are shown in millimeters (inches) 15.90 (.626) 15.30 (.602) -B3.65 (.143) 3.55 (.140) -A0.25 (.010) M D B M 5.50 (.217) 20.30 (.800) 19.70 (.775) 1 2 3 -C14.80 (.583) 14.20 (.559) 4.30 (.170) 3.70 (.145) 0.80 (.031) 3X 0.40 (.016) C A S 2.60 (.102) 2.20 (.087) -D5.30 (.209) 4.70 (.185) 2.50 (.089) 1.50 (.059) 4 2X 5.50 (.217) 4.50 (.177) NOTES: 1 DIMENSIONING & TOLERANCING PER ANSI Y14.5M, 1982. 2 CONTROLLING DIMENSION : INCH. 3 CONFORMS TO JEDEC OUTLINE TO-247-AC. 2.40 (.094) 2.00 (.079) 2X 5 [ ... ]
IRFP460LCPBF PDF Datasheet Download
