This is a ceramic capacitor with the following specifications: CAP type is CAP CER 330PF 1.2KV C0G/NP0 1812. It has a capacitance value of 330 pF ±5, with a voltage rating of 1200V (1.2kV). The capacitor is classified as C0G, also known as NP0, and comes in the metric size of 4532, which corresponds to the 1812 designation in imperial units.