The CAP CER 27PF 50V C0G/NP0 0805 is a specific type of ceramic capacitor. It has a capacitance value of 27 pF and operates at a voltage rating of 50 volts. This particular model falls under the category of C0G or NP0 capacitors, which are known for their temperature-stable characteristics. The part number '1B' indicates that it is one of the types within this series. The size designation '0805', equivalent to '2012 Metric', refers to its dimensions.