This part is a kind of semiconductor called B560CQ.

Function of this product has 5.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER.

Manufacturers : Diodes

Image and pinout :

Some of the text within the PDF file :

B520CQ - B560CQ Green 5.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Product Summary B520CQ/B530CQ/B540CQ VRRM (V) IO (A) 20/30/40 5.0 B550CQ/B560CQ VRRM (V) 50/60 IO (A) 5.0 VF Max (V) 0.55 IR Max (mA) 0.5 VF Max (V) 0.70 IR Max (mA) 0.5 Description and Applications This Schottky Barrier Rectifier is designed to meet the general requirements of commercial applications. It is ideally suited for use as a:  Polarity Protection Diode  Re-Circulating Diode  Switching Diode Features and Benefits  Guard Ring Die Construction for Transient Protection  Ideally Suited for Automated Assembly  Low Power Loss, High Efficiency  For Use in Low-Voltage, High-Frequency Inverters, Free Wheeling, and Polarity Protection Application  Lead-Free Finish; RoHS Compliant (Note [ ... ]

B560CQ PDF Datasheet Download