The part number is 1206Y1000181FCT. This component is a CAP CER 180PF 100V C0G/NP0 1206 capacitor with a value of 180 pF and a voltage rating of 100V. It is made from ceramic material, specifically the C0G or NP0 type, which has a ±1 tolerance. The capacitor is packaged in the 1206 (3216 Metric) case size.