The specified capacitor is a CAP CER 100PF 1KV C0G/NP0 1812 with a capacitance value of 100 pF and a tolerance of ±2%. It is rated for a maximum working voltage of 1000V (1kV) and features ceramic construction with C0G/NP0 dielectric. The component has a size designation of 1812, also known as 4532 metric.