This is a CAP CER 3300PF 5KV X7R 2220 ceramic capacitor with a capacitance of 3300 picofarads and a tolerance of ±10%. It has a voltage rating of 5000 volts (5kV) and conforms to the X7R dielectric specification. The capacitor is packaged in a 2220 case size, which corresponds to 5.75mm x 3.2mm dimensions.