The CAP CER 330PF 50V X7R 0201 is a specific type of ceramic capacitor. It has a capacitance rating of 330 picofarads and can withstand a maximum voltage of 50 volts. The capacitor falls under the category of X7R, which implies it has a dielectric constant that can handle high-frequency applications. Its package size measures 0201, equivalent to the metric size 0603.