A ceramic capacitor with the part number CAP CER 220PF 50V C0G/NP0 1206 has a capacitance value of 220 pF and operates within a voltage range of ±1 at 50 volts. It is classified as a C0G or NP0 type, which is commonly used in electronic circuits due to its stable characteristics and minimal temperature dependence. The capacitor's physical dimensions are based on the 1206 metric package size.