The specified capacitor is a CAP CER 18PF 1.5KV C0G/NP0 with a capacitance of 18 pF and a tolerance of ±5%. It has a maximum working voltage of 1500V, or 1.5kV. The component features a ceramic construction with the C0G/NP0 classification, also known as the Type 1B, in the metric package size of 1206 (3216).