The part number MBARQ105SCG0R9BFRA01 corresponds to a CAP CER 0.9PF 250V C0G/NP0 0402 ceramic capacitor. It has a capacitance value of 0.9 pF with ±0.1pF tolerance and operates at a voltage rating of 250V. The capacitor is designed using the C0G (NP0) dielectric material in a 0402 (1005 Metric) package size.