This part is a kind of semiconductor called 10BQ015.

Function of this product has SCHOTTKY RECTIFIER.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

Bulletin PD-2.396 rev. I 07/04 SCHOTTKY RECTIFIER 10BQ015 1 Amp IF(AV) = 1 Amp VR = 15V Major Ratings and Characteristics Characteristics 10BQ015 Units IF(AV) Rectangular waveform VRRM 1.0 A 15 V IFSM @ tp = 5 µs sine VF @ 1.0 Apk, TJ=125°C 140 0.32 A V TJ range - 55 to 125 °C Description/ Features The 10BQ015 surface mount Schottky rectifier has been designed for applications requiring low forward drop and very small foot prints on PC boards. The proprietary barrier technology allows for reliable operation up to 125°C junction temperature. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. 125°C TJ operation (VR < 5V) Optimized for OR-ing applications Ultra low forward [ ... ]

10BQ015 PDF Datasheet Download