The CAP CER 18PF 25V C0G/NP0 0603 is a specific type of ceramic capacitor. It has an electrical capacitance value of 18 pF and can withstand voltages up to 25 volts. This component is classified as a C0G or NP0 device, indicating its temperature stability properties. Its dimensions are in the metric format, with the designation "1608" referring to its size in millimeters.