The specified component is a CAP CER 5.1PF 50V C0G/NP0 0201 with the following characteristics: it has a capacitance value of 5.1 pF ±0.25pF and can withstand a maximum voltage of 50V. This is a ceramic capacitor classified as C0G, also known as NP0, in the 0201 package size (equivalent to the metric 0603).