This part is a kind of semiconductor called 9997GH-HF.

Function of this product has AP9997GH-HF.

Manufacturers : Advanced Power Electronics

Image and pinout :

Some of the text within the PDF file :

AP9997GH/J-HF Halogen-Free Product Advanced Power Electronics Corp. ▼ Simple Drive Requirement ▼ Lower Gate Charge ▼ Fast Switching Characteristic ▼ RoHS Compliant & Halogen-Free G N-CHANNEL ENHANCEMENT MODE POWER MOSFET D BVDSS RDS(ON) ID 100V 120mΩ 11A S Description Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. The TO-252 package is widely preferred for commercial-industrial surface mount applications and suited for low voltage applications such as DC/DC converters.The through-hole version (AP9997GJ) are available for low-profile applications. G D S TO-252(H) G D S TO-251(J) Absolute Maximum Ratings Symbol VDS VGS ID@TC=25℃ ID@TC=100℃ IDM PD@TC [ ... ]

9997GH-HF PDF Datasheet Download