The specified component is a CAP CER 680PF 50V C0G/NP0 1812 ceramic capacitor with the following characteristics: a capacitance value of 680 pF ±1%, and a voltage rating of 50 volts. It adheres to the C0G or NP0 classification, which indicates a temperature-stable ceramic material. The part number corresponds to a metric size designation (4532), and it is housed in a 1812 case format.