This is a CAP CER 1200 PF 250 V C0G / NP0 1206 capacitor with the following specifications: capacitance of 1200 pF ±1, voltage rating of 250V and a ceramic material type. It has a 1206 size package (3216 metric) and is part of the C0G/NP0 series with a temperature coefficient of 1B.