This part is a kind of semiconductor called 70N03.

Function of this product has N-Channel Enhancement Mode Power MOSFET.

Manufacturers : Anachip

Image and pinout :

Some of the text within the PDF file :

N-Channel Enhancement Mode Power MOSFET AF70N03 „ Features -Low Gate Charge -Simple Drive Requirement -Fast Switching -RoHS Compliant -Pb Free Plating Product „ Product Summary „ General Description The advanced power MOSFET provides the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. The TO-252 package is universally preferred for all commercial-industrial surface mount applications and suited for low voltage applications such as DC/DC converters. BVDSS (V) 30 RDS(ON) (mΩ) 9 ID (A) 60 „ Pin Assignments „ Pin Descriptions (Front View) 3S 2D 1G Pin Name S G D Description Source Gate Drain „ Ordering information A X 70N03 X X Feature PN Package F :MOSFET D: TO-252 „ Block Diagram Packing Blan [ ... ]

70N03 PDF Datasheet Download