The part number CAP CER 15PF 500V C0G/NP0 1206 corresponds to a specific type of ceramic capacitor. This particular component has the following key features: it is a 15 pF capacitance value, rated at ±5% tolerance, and can withstand a maximum voltage of 500V. Additionally, it falls under the C0G or NP0 designation, which indicates its temperature stability characteristics. The capacitor's metric package size is 1206 (3216 in imperial measurements).