This is a CAP CER 1500PF 200V C0G/NP0 1808 ceramic capacitor with the following specifications: capacitance of 1500 picofarads ±5% and voltage rating of 200 volts. It has a metric designation of 4520 and a compact 1808 case size, making it suitable for various electronic applications that require reliable and precise capacitance values in a small footprint.