This is a high-quality ceramic capacitor with the designation CAP CER 1PF 200V C0G/NP0 0805. It has a capacitance of 1 pF and tolerance of ±0.05pF, with a maximum voltage rating of 200V. The capacitor is part of the C0G/NP0 series from 2012 Metric, featuring an 0805 (2012 metric) case size.