This part is a kind of semiconductor called NCE8580.

Function of this product has NCE N-Channel Enhancement Mode Power MOSFET.

Manufacturers : NCE Power

Image and pinout :

Some of the text within the PDF file :

http://www.ncepower.com Pb Free Product NCE8580 NCE N-Channel Enhancement Mode Power MOSFET Description The NCE8580 uses advanced trench technology and design to provide excellent RDS(ON) with low gate charge. This device is suitable for use in PWM, load switching and general purpose applications. General Features ● VDS =85V,ID =80A RDS(ON) < 8.5mΩ @ VGS=10V (Typ:6.8mΩ) ● High density cell design for ultra low Rdson ● Fully characterized avalanche voltage and current ● Special designed for convertors and power controls ● Good stability and uniformity with high EAS ● Excellent package for good heat dissipation ● Special process technology for high ESD capability Schematic diagram Marking and pin assignment Application ● Power switching application ● Hard switche [ ... ]

NCE8580 PDF Datasheet Download