The part number CAP CER 56PF 200V C0G/NP0 1206 refers to a specific type of ceramic capacitor. This component has a capacitance value of 56 picofarads (pF), operates within a voltage range of 200 volts, and features a temperature coefficient of ±5%. It is classified as a C0G or NP0 grade capacitor and is available in the 1206 package size, which corresponds to the metric equivalent of 3216.