A 1206-sized capacitor with a capacitance of 4.7 picofarads and a tolerance of ±0.25 pF is available from the vendor Adibuja. The part number for this component is 1206Y1004P70CFR, which meets or exceeds the specifications for a Class I, High-Reliability C0G (NP0) ceramic capacitor with a voltage rating of 100V.