This part is a kind of semiconductor called B560C.
Function of this product has 5.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER.
Manufacturers : Diodes Incorporated
Image and pinout :

Some of the text within the PDF file :
B520C - B560C Green 5.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Product Summary B520C/B530C/B540C VRRM (V) IO (A) 20/30/40 5.0 B550C/B560C 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 (Notes 1 & 2 [ ... ]
B560C PDF Datasheet Download
