This part is a kind of semiconductor called APM4953K.
Function of this product has Dual P-Channel Enhancement Mode MOSFET.
Manufacturers : Anpec Electronics Coropration
Image and pinout :
Some of the text within the PDF file :
APM4953K Dual P-Channel Enhancement Mode MOSFET Features • -30V/-4.9A , RDS(ON)=53mΩ(typ.) @ VGS=-10V RDS(ON)=80mΩ(typ.) @ VGS=-4.5V Pin Description D1 D1 D2 D2 • • • • Super High Dense Cell Design Reliable and Rugged SOP-8 Package Lead Free Available (RoHS Compliant) S1 G1 S2 G2 Top View of SOP − 8 (1) S1 (3) S2 Applications • (2) G1 (4) G2 Power Management in Notebook Computer, Portable Equipment and Battery Powered Systems D1 (7) D1 (8) D2 (5) D2 (6) P-Channel MOSFET Ordering and Marking Information APM4953 Lead Free Code Handling Code Temp. Range Package Code Package Code K : SOP-8 Operating Junction Tem p. Range C : -55 to 150°C Handling Code TU : Tube TR : Tape & Reel Lead Free Code L : Lead Free Device Blank : Original Device XXXXX - Date Code APM4953 K [ ... ]