The part number given is CAP CER 27PF 50V C0G/NP0 0603. This refers to a specific type of ceramic capacitor with the following characteristics: capacitance value - 27 pF, voltage rating - 50 volts, and a tolerance range of ±5%. It follows the C0G (NP0) dielectric material classification for stability under varying temperatures and has a metric package size equivalent to 0603 in imperial measurements.