The CAP CER 3PF 200V C0G/NP0 0505 is a specific type of ceramic capacitor with the following characteristics: it has a capacitance of 3 picofarads, an accuracy tolerance of ±0.05 pF, and can withstand voltages of up to 200 volts. The designation "C0G" or "NP0" refers to its temperature coefficient of 0 parts per million (ppm), making it suitable for applications where stability over a wide temperature range is required.