The part number CAP CER 68PF 16V C0G/NP0 0603 refers to a specific type of ceramic capacitor. This component is designated as having a capacitance value of 68 pF and can withstand an operating voltage of up to 16 volts. It falls under the classification of C0G, also known as NP0, which indicates its temperature coefficient characteristics. The component measures in metric packaging size 1608, corresponding to the standard size designation 0603 in imperial units.