The CAP CER 18PF 50V 0402 EPOXY is a type of ceramic capacitor. It has a capacitance value of 18 picofarads and can withstand a voltage of 50 volts. This component uses the C0G or NP0 material, which is known for its stability in temperature. The size of this capacitor is 0402, also referred to as 1005 metric.