A capacitor with the designation CAP CER 5.1PF 50V C0G/NP0 0805 has a capacitance of 5.1 pF ±0.5pF and can withstand a maximum voltage of 50 volts. It is classified as a ceramic capacitor, specifically within the C0G or NP0 grade, and is available in an 0805 metric case size from 2012 onwards.