This part is a kind of semiconductor called QM3002M3.

Function of this product has N-Ch 30V Fast Switching MOSFETs.

Manufacturers : UBIQ

Image and pinout :

Some of the text within the PDF file :

QM3002M3 N-Ch 30V Fast Switching MOSFETs General Description The QM3002M3 is the highest performance trench N-ch MOSFETs with extreme high cell density , which provide excellent RDSON and gate charge for most of the synchronous buck converter applications . The QM3002M3 meet the RoHS and Green Product requirement , 100% EAS guaranteed with full function reliability approved. Features z Advanced high cell density Trench technology z Super Low Gate Charge z Excellent CdV/dt effect decline z 100% EAS Guaranteed z Green Device Available Absolute Maximum Ratings Product Summery BVDSS 30V RDSON 18mΩ ID 28A Applications z High Frequency Point-of-Load Synchronous Buck Converter for MB/NB/UMPC/VGA z Networking DC-DC Power System z Load Switch PRPAK3X3 Pin Configuration D SS SG Symbol VDS [ ... ]

QM3002M3 PDF Datasheet Download