This part is a kind of semiconductor called AP18P10GS.

Function of this product has P-CHANNEL ENHANCEMENT MODE POWER MOSFET.

Manufacturers : Advanced Power Electronics

Image and pinout :

Some of the text within the PDF file :

AP18P10GS RoHS-compliant Product Advanced Power Electronics Corp. ▼ Lower Gate Charge ▼ Simple Drive Requirement ▼ Fast Switching Characteristic G P-CHANNEL ENHANCEMENT MODE POWER MOSFET D BVDSS RDS(ON) ID -100V 160mΩ -12A S Description Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, ruggedized device design, low onresistance and cost-effectiveness. The TO-263 package is wide ly preferred for commercial- industrial surface mount applications and suited for low voltage applications such as DC/DC converters. GD S TO-263(S) Absolute Maximum Ratings www.DataSheet.net/ Symbol VDS VGS ID@TC=25℃ ID@TC=100℃ IDM PD@TC=25℃ EAS IAR TSTG TJ Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current, VGS @ 10V Co [ ... ]

AP18P10GS PDF Datasheet Download