A ceramic capacitor with the part number CAP CER 1PF 1.2KV C0G/NP0 1206 is specified. It has a capacitance of 1 pF and an error tolerance of ±0.5pF. This component can withstand high voltages up to 1200V or 1.2kV and features the C0G/NP0 temperature coefficient (1B). The capacitor is housed in the 1206 package, also known as 3216 metric dimensions.