A CAP CER 18PF 16V C0G/NP0 1808 - capacitor is a type of ceramic capacitor. It has a capacitance value of 18 pF and operates within the voltage range of ±10 16V. The capacitor's dimensions are specified as 1808 (4520 Metric), with a C0G/NP0 classification indicating its material composition, specifically COG or NPO types.