The CAP CER 3300PF 500V X7R 1808 is a type of ceramic capacitor. It has a capacitance rating of 3300 picofarads with a tolerance of ±20%, and it can withstand a maximum voltage of 500 volts. The designation "X7R" indicates that the capacitor belongs to the X7R dielectric class, which is known for its stable temperature characteristics. This particular component has a metric case size of 1808.