This is a high-precision ceramic capacitor with the designation CAP CER 1PF 200V C0G/NP0 0805. It has a capacitance of 1 pF with a tolerance of ±0.1 pF and can withstand voltages up to 200V. The capacitor uses a C0G, also known as NP0, dielectric material and is available in the 0805 (2012 metric) case size.