This part is a kind of semiconductor called AP03N70H.

Function of this product has N-CHANNEL ENHANCEMENT MODE.

Manufacturers : Advanced Power Electronics

Image and pinout :

Some of the text within the PDF file :

AP03N70H/J Pb Free Plating Product Advanced Power Electronics Corp. ▼ Repetitive Avalanche Rated ▼ Fast Switching Speed ▼ Simple Drive Requirement ▼ RoHS Compliant N-CHANNEL ENHANCEMENT MODE POWER MOSFET D BVDSS RDS(ON) ID 600V 3.6Ω 3.3A G S Description The TO-252 package is universally preferred for all commercialindustrial surface mount applications and suited for AC/DC converters. The through-hole version (AP03N70J) is 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=25℃ EAS IAR EAR TSTG TJ Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current, V GS @ 10V Continuous Drain Current, V GS @ 10V Pulsed Drain Current 1 Rating 600 [ ... ]

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