A 2.2 microfarad, ±10% tolerance, 16 volt ceramic capacitor with the designation of X7R and a metric size of 3216 or 1206 in the imperial system is described as the CAP CER 2.2UF 16V X7R 1206 - 2.2 µF ±10 16V Ceramic Capacitor X7R 1206 (3216 Metric).