Part Number : TF12N65
Function :650V, 12A N-Channel MOSFET
Manufacturer : Alpha and Omega Semiconductor
Pinout : 
Description
The AOT12N65 & AOTF12N65 have been fabricated using an advanced high voltage MOSFET process that is designed to deliver high levels of performance and robustness in popular AC-DC applications.
http://www.aosmd.com/res/markings/AOTF12N65.pdf
Datasheet PDF Download
Other datasheets in the file : AOT12N65,AOTF12N65,AOTF12N65L,TF12N65