The CAP CER 56000 PF 16V X7R 0603 PB is a ceramic capacitor with the following specifications: capacitance value of 0.056 microfarads, tolerance of ±20%, and a voltage rating of 16 volts. It is classified as an X7R type capacitor, meaning it has a high dielectric constant and can handle significant temperature fluctuations without losing its electrical characteristics. The part number indicates that the component is housed in a 0603 (1608 metric) case size package.