The CAP CER 1800PF 1.2KV X7R 1210 is a specific type of ceramic capacitor with the following characteristics: capacitance value of 1800 picofarads, tolerance of ±10%, and maximum working voltage of 1200 volts (1.2 kilovolts). It is classified as an X7R dielectric material type and has a case size of 1210 or 3225 in metric measurements.