The CAP CER 1200PF 500V X7R 0603 is a type of ceramic capacitor with specific characteristics. It has a capacitance value of 1200 pico Farads and an operating voltage of 500 Volts. The capacitor is classified as X7R, which indicates its temperature coefficient and stability properties. It has a metric package size of 1608, equivalent to the imperial size 0603.