This part is a kind of semiconductor called APM2513NU.

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

Manufacturers : ANPEC

Image and pinout :

Some of the text within the PDF file :

APM2513NU N-Channel Enhancement Mode MOSFET Features • 25V/40A, RDS(ON)=10.5mΩ (typ.) @ VGS=10V RDS(ON)=16mΩ (typ.) @ VGS=4.5V Pin Description • • • • Super High Dense Cell Design Avalanche Rated Reliable and Rugged D Top View of TO-252 Lead Free Available (RoHS Compliant) Applications G • Power Management in Desktop Computer or DC/DC Converters S N-Channel MOSFET Ordering and Marking Information APM2513N Lead Free Code Handling Code Temp. Range Package Code Package Code U : TO-252 Operating Junction Temp. Range C : -55 to 150° C Handling Code TU : Tube TR : Tape & Reel Lead Free Code L : Lead Free Device APM2513N U : APM2513N XXXXX XXXXX - Date Code Note: ANPEC lead-free products contain molding compounds and 100% matte tin plate termination finish; which a [ ... ]

APM2513NU PDF Datasheet Download