The specified capacitor is a CAP CER 39PF 1.2KV C0G/NP0 type with a capacitance of 39pF and voltage rating of 1200V (1.2kV). It has a tolerance of ±5% and adheres to the C0G/NP0 specification, which classifies it as a Ceramic Capacitor. The dimensions are defined by the metric size 3225.