This part is a kind of semiconductor called APM2305.

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

Manufacturers : Etc

Image and pinout :

Some of the text within the PDF file :

APM2305 P-Channel Enhancement Mode MOSFET Features • -16V/-3.5A , RDS(ON)=60mΩ(typ.) @ VGS=-4.5V RDS(ON)=70mΩ(typ.) @ VGS=-2.5V RDS(ON)=83mΩ(typ.) @ VGS=-1.8V Pin Description D 3 • • • Super High Dense Cell Design for Extremely Low RDS(ON) Reliable and Rugged SOT-23 Package 1 2 G S Top View of SOT-23 S Applications • Power Management in Notebook Computer , Portable Equipment and Battery Powered Systems. G D Ordering and Marking Information APM2305 Handling Code Temp. Range Package Code P-Channel MOSFET Package Code A : SOT-23 Operation Junction Temp. Range C : -55 to 150°C Handling Code TR : Tape & Reel APM2305 A : M05X X - Date Code Absolute Maximum Ratings Symbol VDSS VGSS ID* IDM Drain-Source Voltage Gate-Source Voltage Parameter (TA = 25°C unless othe [ ... ]

APM2305 PDF Datasheet Download