The part number is CAP CER 100PF 50V C0G/NP0 0805, which corresponds to a 100 pF ceramic capacitor with ±5% tolerance and a voltage rating of 50 volts. It has the designations C0G and NP0, indicating its class and type, respectively. The package size is 0805 or 2012 metric, and it belongs to category (1B).