The CAP CER 2.2UF 35V X7R 1210 is a type of ceramic capacitor with specific ratings and dimensions. It has a capacitance value of 2.2 microfarads, operates within a tolerance range of ±20%, and is designed to handle voltages up to 35 volts. The X7R classification indicates its temperature coefficient characteristics, while the 1210 (3225 Metric) designation specifies its physical size.