A ceramic capacitor with the designation CAP CER 220PF 500V C0G/NP0 1808 has a capacitance of 220 pF and operates at a voltage of ±5 500V. This capacitor is classified as C0G or NP0 type, which signifies its use in applications requiring stable capacitance values over temperature changes. The metric code 4520 indicates the capacitor's dimensions and size.