The AC0805KRX7R9BB473 manufactured by Yageo is a multilayer ceramic capacitor (MLCC) with surface mount technology (SMD/SMT). It has a rated capacitance of 47nF (nanofarad) and a rated voltage of 50V. It has a size of 0805 which means that it has a length of 2.0mm and a width of 0.8 mm. It is RoHS compliant and these components are relatively small, reliable, and affordable. They are used in a variety of applications including DC-DC converters, signal processing, filters, switches, delay lines, oscillators, and more.