A 2.1 pF ±0.25pF ceramic capacitor with a capacitance value of 2.1 picofarads and a tolerance of ±0.25 picofarads is provided in the metric package size 0402 (also known as 1005). This capacitor operates at a maximum voltage rating of 100 volts and is classified as C0G or NP0, indicating its specific ceramic material composition.