The specified capacitor is a CAP CER 390PF 1.2KV C0G/NP0 with a capacitance of 390 pF and a tolerance of ±10%. It has a maximum working voltage of 1200V, or 1.2kV, and is classified as a Ceramic Capacitor type C0G, also known as NP0 (1B). The package size is 2225, which is equivalent to the metric designation 5763.