The specification describes a ceramic capacitor with the part number CAP CER 47PF 1.5KV C0G/NP0 1812. It has a capacitance of 47 pF and operates within a voltage range of ±5 to 1500V (1.5kV). The capacitor is classified as C0G, also known as NP0 (1B), with a metric size of 4532.