The specified capacitor is the CAP CER 2.1PF 2000V C0G/NP0 1111 model, which features a capacitance of 2.1 pF with ±0.1pF tolerance and a voltage rating of 2000V (2kV). It belongs to the C0G/NP0 Ceramic Capacitor family, specifically type 1B, with the metric size designation 2828.