The CAP CER 51PF 250V C0G/NP0 0805 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 51 pF and an operating voltage rating of 250V. The C0G/NP0 designation refers to the dielectric material used, which has a stable temperature coefficient over a wide range. This capacitor is available in the compact 0805 (2012 Metric) package size.