The CAP CER 51PF 250V C0G/NP0 0805 is a specific type of ceramic capacitor with the following characteristics: a capacitance value of 51 pF and a tolerance range of ±5. It has a working voltage rating of 250V, and its dimensions conform to the 2012 Metric standard for components of size 0805 (3216 metric). This component falls under the C0G/NP0 classification, which is a subset of ceramic capacitors known for their high stability and temperature insensitivity.