This part is a kind of semiconductor called IRF2807L.

Function of this product has HEXFET Power MOSFET.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

PD - 94170 Advanced Process Technology l Ultra Low On-Resistance l Dynamic dv/dt Rating l 175°C Operating Temperature l Fast Switching l Fully Avalanche Rated Description l HEXFET® Power MOSFET D IRF2807S IRF2807L VDSS = 75V RDS(on) = 13mΩ G S ID = 82A‡ Advanced HEXFET® Power MOSFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The D2Pak is a surface mount power package capable of accommodating die sizes up to HEX-4. It provides the highest power capability and t [ ... ]

IRF2807L PDF Datasheet Download