The specified capacitor is a CAP CER 1.8PF 250V C0G/NP0 0603. It has a capacitance of 1.8 pF with a tolerance of ±0.25pF and operates at a voltage of 250V. The capacitor uses ceramic material type C0G, also known as NP0, in the 0603 (1608 Metric) package size.