This is a 10pF ceramic capacitor with the designation of CAP CER 10PF 100V NP0 1812. It features a capacitance value of 10 picofarads and operates within a voltage range of 100 volts. The NP0 (C0G) designation indicates that it is a temperature-stable capacitor, suitable for applications requiring stable capacitance across varying temperatures. The metric size designation of 4532 corresponds to the European equivalent of the standard 1812 size in inches.