The specified capacitor is a 18pF ±5 ceramic capacitor with a voltage rating of 1000V (1kV). It belongs to the CAP CER 18PF 1KV C0G/NP0 series and has a 1206 package size, which corresponds to a metric size of 3216. This capacitor is classified as a C0G or NP0 type, also known as a 1B temperature coefficient.