A ceramic capacitor with the part number CAP CER 1UF 25V X7R 0603 is specified, which is a 1 microfarad capacitance value, rated for ±10% tolerance and 25 volts of working voltage. Its size corresponds to the metric designation 1608 (or equivalent 0603 in the Imperial system) and it belongs to the X7R dielectric type ceramic capacitor family.