The specified component is a CAP CER 12PF 50V C0G/NP0 1206, featuring 12pF capacitance with ±1% tolerance and a voltage rating of 50V. It has the designation C0G or NP0, which indicates its temperature coefficient characteristics as being nearly zero (±30 ppm/K). The component is in the 1206 (3216 metric) package size.