This is a high-precision ceramic capacitor with the designation CAP CER 1PF 50V C0G/NP0 1206. It has a capacitance value of 1 picofarad ±0.25 picofarads and can withstand a maximum voltage rating of 50 volts. The device is classified as a C0G, or NP0 (1B), type capacitor, which indicates its temperature-stable characteristics and low dissipation factor. Its metric designation is 1206, equivalent to the imperial measurement 3216.