The part number CAP CER 15PF 50V C0G/NP0 0603 corresponds to a 15 pF ceramic capacitor with a tolerance of ±5% and a voltage rating of 50 volts. It is housed in a 0603 case size, also known as 1608 metric. This component belongs to the C0G or NP0 class, which has a stable capacitance value over temperature.