This part is a kind of semiconductor called AP10TN003P.

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

Manufacturers : Advanced Power Electronics

Image and pinout :

Some of the text within the PDF file :

Advanced Power Electronics Corp. AP10TN003P Halogen-Free Product N-CHANNEL ENHANCEMENT MODE POWER MOSFET ▼ 100% Rg & UIS Test ▼ Simple Drive Requirement ▼ Fast Switching Characteristic ▼ RoHS Compliant & Halogen-Free G D S Description AP41600T4N0s0e3riesearirees fraorme AfrdovmancAeddvaPnocweder Pinonwoevrateindnodveastiegdn adnedsigsnilicaonnd psrioliceosnsptreocchensoslotgeychtonoalocghyievtoe tahcehileovweestht epolosswibelset opno-srseisbilsetanocne-reasnisdtafanscte swanitdchifnagstpesrwfoirtcmhainngce.peItrfporromvaidnecse.theIt dperosvigidneesr twheithdeasnigenxetrrewmiteh aenfficeixetnret mdeeveicffeiciefonrt udseevicine faorwuidse rinanagweidoef proawngeer aopf pploicwaetironasp.plications. The TO-220 package is widely preferred for all commercialindustrial through ho [ ... ]

AP10TN003P PDF Datasheet Download