The part number is CAP CER 820PF 100V C0G/NP0 1210. It has a capacitance of 820 picoFarads ±5 percent and operates at a maximum voltage of 100 volts. This capacitor is a type of ceramic capacitor classified as C0G or NP0, with a metric case size of 3225 and an imperial case size of 1210.