The part number CAP CER 15PF 50V C0G/NP0 0805 refers to a specific type of ceramic capacitor. It has a capacitance value of 15 pF and operates within a ±5% tolerance at a voltage rating of 50V. The capacitor is classified as C0G, which stands for Ceramic 0 (Class II) and NP0, denoting the temperature coefficient. The physical dimensions are specified by the part number 0805, equivalent to the metric designation 2012.