This is a high-frequency ceramic capacitor with the part number CAP CER 510PF 50V C0G/NP0 0805. It has a capacitance value of 510 pF and can operate at voltages up to 50 volts. The C0G and NP0 designations indicate that it belongs to the Ceramic Class I material group, which is known for its stable characteristics over a wide range of temperatures. This capacitor comes in the compact 0805 (2012 Metric) package size.