This part is a kind of semiconductor called AP4525GEM.

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

Manufacturers : Advanced Power Electronics

Image and pinout :

Some of the text within the PDF file :

AP4525GEM Pb Free Plating Product Advanced Power Electronics Corp. ▼ Simple Drive Requirement ▼ Low On-resistance ▼ Fast Switching Performance ▼ RoHS Compliant SO-8 S1 G1 D2 D1 D1 D2 N AND P-CHANNEL ENHANCEMENT MODE POWER MOSFET N-CH BVDSS RDS(ON) G2 S2 40V 28mΩ 6A -40V 42mΩ -5A ID P-CH BVDSS RDS(ON) ID Description The Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, ruggedized device design,low on-resistance and costeffectiveness. The SO-8 package is universally preferred for all commercialindustrial surface mount applications and suited for low voltage applications such as DC/DC converters. D1 G1 G2 D2 S1 S2 Absolute Maximum Ratings Symbol VDS VGS ID@TA=25℃ ID@TA=70℃ IDM PD@TA=25℃ TSTG TJ P [ ... ]

AP4525GEM PDF Datasheet Download