The part number is 1206J0630101KAR. It is a ceramic capacitor with a capacitance value of 100 pF and a voltage rating of 63V. The component has a C0G/NP0 dielectric material and is packaged in the 1206 (3216 Metric) case size, also known as a 3216 metric package. This capacitor is designated for use in high-frequency applications.