The CAP CER 3300PF 1.2KV X7R 2220 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 3300 picofarads, tolerance of ±20%, and a maximum working voltage of 1200V (1.2kV). This capacitor is designed as an X7R dielectric and has the designation 2220, which corresponds to its metric case size of 5750.