This part is a kind of semiconductor called IRF9540NPBF.

Function of this product has Power MOSFET.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

PD - 94790A IRF9540NPbF • Lead-Free www.irf.com 1 01/23/04 IRF9540NPbF 2 www.irf.com IRF9540NPbF www.irf.com 3 IRF9540NPbF 4 www.irf.com IRF9540NPbF www.irf.com 5 IRF9540NPbF 6 www.irf.com IRF9540NPbF www.irf.com 7 IRF9540NPbF TO-220AB Package Outline 2.87 (.113) 2.62 (.103) 10.54 (.415) 10.29 (.405) 3.78 (.149) 3.54 (.139) -A6.47 (.255) 6.10 (.240) Dimensions are shown in millimeters (inches) -B4.69 (.185) 4.20 (.165) 1.32 (.052) 1.22 (.048) 4 15.24 (.600) 14.84 (.584) 1.15 (.045) MIN 1 2 3 LEAD ASSIGNMENTS IGBTs, CoPACK 1 - GATE 2 - DRAIN 1- GATE 1- GATE 3 - SOURCE 2- COLLECTOR 2- DRAIN 3- SOUR [ ... ]

IRF9540NPBF PDF Datasheet Download