This part is a kind of semiconductor called APM9932C.

Function of this product has Dual Enhancement Mode MOSFET.

Manufacturers : Anpec Electronics Coropration

Image and pinout :

Some of the text within the PDF file :

APM9932/C Dual Enhancement Mode MOSFET (N-and P-Channel) Features • N-Channel 20V/15A, RDS(ON)=12mΩ(typ.) @ VGS=10V RDS(ON)=17mΩ(typ.) @ VGS=4.5V Pin Description APM9932 S1 G1 S2 G2 1 2 3 4 8 7 6 5 D1 D1 D2 D2 S1 G1 S2 G2 APM9932C 1 2 3 4 8 7 6 5 D D D D • P-Channel -20V/-6A, RDS(ON)=30mΩ(typ.) @ VGS=-4.5V RDS(ON)=45mΩ(typ.) @ VGS=-2.5V Super High Dense Cell Design for Extremely Low RDS(ON) SO-8 D1 D1 SO-8 D • • • Reliable and Rugged SO-8 Package G1 G1 G2 Applications • Power Management in Notebook Computer , Portable Equipment and Battery Powered Systems. G2 S1 S1 S2 N-Channel MOSFET S2 N- and P-Channel MOSFET D2 D2 P-Channel MOSFET Ordering and Marking Information APM9932/C Handling Code Temp. Range Package Code Package Code K : [ ... ]

APM9932C PDF Datasheet Download