The specified part is a CAP CER 47PF 250V C0G/NP0 1812 ceramic capacitor with a capacitance value of 47 picofarads and an operating voltage range of 250 volts. It features a temperature coefficient of C0G/NP0, which indicates that it has a low change in capacitance over the temperature range from -55°C to +125°C. The 1812 (4532 Metric) size refers to its dimensions.