This part is a kind of semiconductor called TSF12N60MS.

Function of this product has N-Channel MOSFET.

Manufacturers : Truesemi

Image and pinout :

Some of the text within the PDF file :

TSP12N60MS / TSF12N60MS 600V N-Channel MOSFET TSP12N60MS / TSF12N60MS 600V N-Channel MOSFET Description SJ-FET is new generation of high voltage MOSFET family that is utilizing an advanced charge balance mechanism for outstanding low on-resistance and lower gate charge performance. This advanced technology has been tailored to minimize conduction loss, provide superior switching performance, and withstand extreme dv/dt rate and higher avalanche energy. SJ-FET is suitable for various AC/DC power conversion in switching mode operation for higher efficiency. September, 2013 SJ-FET Features • 650V @TJ = 150 ℃ • Typ. RDS(on) = 0.4Ω • Ultra Low Gate Charge (typ. Qg = 30nC) • 100% avalanche tested Absolute Maximum Ratings Symbol VDSS ID IDM VGSS EAS IAR EAR dv/dt PD TJ, TSTG TL Pa [ ... ]

TSF12N60MS PDF Datasheet Download