This part is a kind of semiconductor called FDMS86368_F085.
Function of this product has N-Channel PowerTrench MOSFET.
Manufacturers : Fairchild Semiconductor
Image and pinout :

Some of the text within the PDF file :
FDMS86368_F085 N-Channel PowerTrench® MOSFET FDMS86368_F085 N-Channel PowerTrench® MOSFET 80 V, 80 A, 4.5 mΩ December 2014 Features Typical RDS(on) = 3.7 mΩ at VGS = 10V, ID = 80 A Typical Qg(tot) = 57 nC at VGS = 10V, ID = 80 A UIS Capability RoHS Compliant Qualified to AEC Q101 Applications Automotive Engine Control PowerTrain Management Solenoid and Motor Drivers Integrated Starter/Alternator Primary Switch for 12V Systems For current package drawing, please refer to the Fairchild web‐ site at https://www.fairchildsemi.com/package‐drawings/PQ/ PQFN08M.pdf MOSFET Maximum Ratings TJ = 25°C unless otherwise noted. Symbol Parameter VDSS VGS ID Drain-to-Source Voltage Gate-to-Source Voltage Drain Current - Continuous (VGS=10) (Note [ ... ]
FDMS86368_F085 PDF Datasheet Download
