The CAP CER 18PF 250V C0G/NP0 2211 is a specific type of ceramic capacitor with the following characteristics: it has an capacitance value of 18 pF and operates at 250 volts. This component falls under the classification of C0G or NP0 capacitors, which are known for their stable capacitance over temperature. The 2211 designation refers to its metric package size, while the (5728) code is another identifier for this specific capacitor type.