The CAP CER 91PF 50V C0G/NP0 0402 is a ceramic capacitor with a capacitance value of 91 picofarads. It has a tolerance rating of ±5% and operates within a voltage range of 50 volts. This component features a C0G (NP0) dielectric, which provides stability and low temperature coefficients. The part number indicates that it is available in a 0402 (1005 Metric) size package.