The capacitor is a CAP CER 18PF 1.5KV C0G/NP0 type with a capacitance of 18 pF and a tolerance of ±10%. It has a working voltage rating of 1500V, equivalent to 1.5kV. This ceramic capacitor falls under the C0G and NP0 categories, specifically designated as 1210 (3225 Metric) in metric measurements.