The CAP CER 1.8PF 250V C0G/NP0 0402 is a type of ceramic capacitor that has specific characteristics and dimensions. It has a capacitance value of 1.8 pF with a tolerance of ±0.1 pF, making it suitable for high-frequency applications. This component can withstand a maximum voltage of 250V and features the C0G/NP0 designation, indicating its temperature stability and low loss characteristics in ceramic materials. It is available in a 0402 package size (1005 metric).