This part is a kind of semiconductor called MT3245.

Function of this product has N-Channel Power MOSFET.

Manufacturers : MT Semiconductor

Image and pinout :

Some of the text within the PDF file :

® MOS-TECH Semiconductor Co.,LTD 07 N-Channel Power MOSFET 4V, A, mΩ Features • RDS(on) = 3mΩ (Typ.)@ VGS = 10V, ID = 80A • Qg(tot) = 345nC (Typ.)@ VGS = 10V • Low Miller Charge • Low QRR Body Diode • UIS Capability (Single Pulse and Repetitive Pulse) • RoHS Compliant January 2010 Application • Automotive Engine Control • Powertrain Management • Motors, Solenoids • Electronic Steering • Integrated Starter/ Alternator • Distributed Power Architectures and VRMs • Primary Switch for 12V Systems D GDS TO-220  G S MOSFET Maximum Ratings TC = 25oC unless otherwise noted Symbol Parameter VDSS VGSS ID IDM EAS PD Drain to Source Voltage Gate to Source Voltage Drain Current Drain Current - Continuous Continuous Continuous (TC (TC [ ... ]

MT3245 PDF Datasheet Download