The specified component is a CAP CER 120PF 2.5KV C0G/NP0 ceramic capacitor with a capacitance value of 120 pF and rated for ±5% tolerance. It has a voltage rating of 2500V (2.5kV) and conforms to the C0G and NP0 specifications. The component measures 2225 in metric dimensions and is identified by part number 5763.