This part is a kind of semiconductor called STK0260F.

Function of this product has Advanced Power MOSFET.

Manufacturers : AUK

Image and pinout :

Some of the text within the PDF file :

Semiconductor STK0260F Advanced Power MOSFET SWITCHING REGULATOR APPLICATIONS Features • • • • High Voltage: BVDSS=600V(Min.) Low Crss : Crss=6.0pF(Typ.) Low gate charge : Qg=8.4nC(Typ.) Low RDS(on) :RDS(on)=4.0Ω(Max.) Type NO. STK0260F Marking STK0260 Package Code TO-220F-3L Ordering Information Outline Dimensions unit : mm 9.80~10.20 Φ3.05~3.35 2.60~3.00 15.40~15.80 12.20~12.60 DataShee 9.10~9.30 1.07 Min. 0.90 Max. 0.60 Max. 2.54 Typ. 2.54 Typ. 1 2 3 0.60 Max. 3.46 Typ. 4.70 Max. 2.70 Max. PIN Connections 1. Gate 2. Drain 3. Source KSD-T0O015-000 DataSheet 4 U .com 1 STK0260F Absolute maximum ratings Characteristic Drain-source voltage Gate-source voltage Drain c [ ... ]

STK0260F PDF Datasheet Download