The CAP CER 33PF 2KV C0G/NP0 1812 is a specific type of ceramic capacitor. It has a capacitance value of 33 pF with a tolerance of ±5% and a voltage rating of 2000V (2kV). The capacitor is classified as C0G, which falls under the NP0 designation, and its case size is referred to as 1812 in metric notation or 4532.