The KC-LINK 1812 39NF 500VDC C0G ceramic capacitor is a type of capacitor that utilizes the C0G or NP0 dielectric material. It has a capacitance value of 0.039 µF and operates within a voltage range of ±20%, with a maximum rating of 500 volts DC. This capacitor features a metric case size of 1812, which corresponds to the imperial size 4532.