The CAP CER 5.1PF 50V C0G/NP0 0805 is a type of ceramic capacitor with specific capacitance and voltage ratings. It has a capacitance value of 5.1 picofarads, tolerance of ±0.1 pF, and operates within a 50-volt range. This component adheres to the C0G/NP0 specification and comes in an 0805 metric package size, designed for use from 2012 onwards.