A CAP CER 15PF 3KV C0G/NP0 1808 is a specific type of ceramic capacitor. This component features a capacitance rating of 15 pF with a tolerance of ±10%. It has an operating voltage of 3000V (or 3kV) and adheres to the C0G or NP0 temperature coefficient specifications. The physical dimensions of this capacitor are defined by the metric size code, 4520, which is equivalent to the 1808 package designation in a different notation system.