This part is a kind of semiconductor called 2SK2611.
Function of this product has Silicon N-Channel MOSFET.
Manufacturers : WINSEMI SEMICONDUCTOR
Image and pinout :

Some of the text within the PDF file :
www.DataSheet.in 2SK2611 Silicon N-Channel MOSFET Features � � � � � 11A,500V,RDS(on)(Max0.55Ω)@VGS=10V Ultra-low Gate charge(Typical 43nC) Fast Switching Capability 100%Avalanche Tested Maximum Junction Temperature Range(150℃) General Description This Power MOSFET is produced using Winsemi's advancedplanar stripe,VDMOS technology. this latest technology has beenespecially designed to minimize on-state resistance, have a high rugged avalanche characteristics .This devices is specially wellsuited for AC-DC switching power supplies, DC-DC power Converters high voltage H-bridge motor drive PWM Absolute Maximum Ratings Symbol VDSS ID IDM VGS EAS EAR dv/dt PD TJ,Tstg TL Drain Source Voltage Continuous Drain Current(@Tc=25℃) Continuous Drain Current(@Tc=100℃) Drain Current P [ ... ]
2SK2611 PDF Datasheet Download
