The specified component is a 30 pF ceramic capacitor with the designation CAP CER 30PF 300V C0G/NP0 0805. It has a capacitance value of 30 picofarads and operates within a voltage range of ±300 volts. This capacitor features a C0G (NP0) dielectric, which is known for its high stability and low loss characteristics. The "2012 Metric" designation indicates that the component conforms to metric dimensions, with an 0805 package size.