This part is a kind of semiconductor called IRFP22N60K.

Function of this product has SMPS MOSFET.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

PD - 94414A SMPS MOSFET IRFP22N60K HEXFET® Power MOSFET Applications VDSS RDS(on) typ. l Hard Switching Primary or PFS Switch 600V 240mΩ l Switch Mode Power Supply (SMPS) l Uninterruptible Power Supply l High Speed Power Switching l Motor Drive Benefits l Low Gate Charge Qg results in Simple Drive Requirement l Improved Gate, Avalanche and Dynamic dv/dt Ruggedness l Fully Characterized Capacitance and Avalanche Voltage and Current l Enhanced Body Diode dv/dt Capability Absolute Maximum Ratings Parameter ID @ TC = 25°C ID @ TC = 100°C IDM PD @TC = 25°C VGS dv/dt TJ TSTG Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current  Power Dissipation Linear Derating Factor Gate-to-Source Voltage Peak Diode Recovery dv/dt ƒ Operating Junction and Sto [ ... ]

IRFP22N60K PDF Datasheet Download