A CAP CER 1800PF 25V X7R 0805 is a type of ceramic capacitor with the following specifications: capacitance value of 1800 picofarads, ±10% tolerance, rated voltage of 25 volts, and a metric case size of 0805. It features an X7R dielectric, which is suitable for use in a variety of applications including high-frequency circuits and resonant circuits.