The specified capacitor is a CAP CER 39PF 630V C0G/NP0 type with dimensions of 1808. It features a capacitance value of 39 pF ±10 and can withstand a maximum voltage of 630V. The capacitor is classified as a ceramic type, specifically designated as C0G or NP0, which signifies its temperature-stable characteristics and minimal change in capacitance values across various temperatures.