A CAP CER 820PF 50V C0G/NP0 1812 - 820pF ?±2 50V ceramic capacitor is a type of fixed capacitor with a capacitance value of 820 picofarads. It operates at a voltage rating of 50 volts and has a tolerance of ±2 percent. The capacitor's case size is designated as 1812, which is equivalent to the metric designation 4532.