The part number CAP CER 1200PF 100V C0G/NP0 0805 refers to a specific type of ceramic capacitor. It is identified by its capacitance value of 1200 pF, tolerance of ±2%, and voltage rating of 100V. The designation C0G indicates that it falls under the Class I temperature and voltage characteristic category, while NP0 signifies that it belongs to the EIA Type II (NPO) fixed operating temperature category. It is designed in an 0805 (2012 Metric) case size.