This part is a kind of semiconductor called IRF7807A.

Function of this product has Chip-Set for DC-DC Converters.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

PD – 91747C IRF7807/IRF7807A HEXFET® Chip-Set for DC-DC Converters • • • • N Channel Application Specific MOSFETs Ideal for Mobile DC-DC Converters Low Conduction Losses Low Switching Losses S S S G 1 8 7 A D D D D 2 3 6 Description These new devices employ advanced HEXFET Power MOSFET technology to achieve an unprecedented balance of on-resistance and gate charge. The reduced conduction and switching losses make them ideal for high efficiency DC-DC Converters that power the latest generation of mobile microprocessors. A pair of IRF7807 devices provides the best cost/ performance solution for system voltages, such as 3.3V and 5V. 4 5 SO-8 T o p V ie w Device Features IRF7807 IRF7807A Vds 30V 30V Rds(on) 25mΩ 25mΩ Qg 17nC 17nC Qsw 5.2nC Qoss 16.8nC 16.8nC Absolute [ ... ]

IRF7807A PDF Datasheet Download