The CAP CER 270PF 1KV X7R 2220 is a ceramic capacitor with specific characteristics. It has a capacitance value of 270 picofarads, a tolerance of ±5%, and it operates at a voltage rating of 1000 volts (1kV). The component is classified as an X7R type, indicating its temperature coefficient and stability properties. Its metric case size is designated as 2220, which corresponds to the dimensions in millimeters for this particular packaging style.