This part is a kind of semiconductor called FDH5500_F085.
Function of this product has N-Channel UltraFET Power MOSFET.
Manufacturers : Fairchild Semiconductor
Image and pinout :

Some of the text within the PDF file :
www.DataSheet.co.kr FDH5500_F085 N-Channel UltraFET Power MOSFET October 2008 FDH5500_F085 N-Channel UltraFET Power MOSFET 55V, 75A, 7mΩ Features Typ rDS(on) = 5.2mΩ at VGS = 10V, ID = 75A Typ Qg(10) = 118nC at VGS = 10V Simulation Models -Temperature Compensated PSPICE and SABERTM Models Peak Current vs Pulse Width Curve UIS Rating Curve Related Literature -TB334, “Guidelines for Soldering Surface Mount Componets to PC Boards“ Qualified to AEC Q101 RoHS Compliant Applications DC Linear Mode Control Solenoid and Motor Control Switching Regulators Automotive Systems ©2008 Fairchild Semiconductor Corporation FDH5500_F085 Rev. A1 1 www.fairchildsemi.com Datasheet pdf - http://www.net/ www.DataSheet.co.kr FDH5500_F085 N-Channel U [ ... ]
FDH5500_F085 PDF Datasheet Download
