The capacitor is a 12 picoFarad ceramic component with the designations CER 12PF 250V C0G/NP0 0805. It has a tolerance of ±5 and can withstand voltages up to 250 volts. This component is part of the C0G or NP0 series, which are known for their stability in temperature, and it is available in an 0805 (2012 Metric) package size.