The capacitors are specified with the marking "CAP CER 2.1PF 200V NP0 0805". They have a capacitance of 2.1 pF and a tolerance of ±0.25pF. The maximum voltage rating is 200V. This type is classified as a Ceramic Capacitor, specifically a C0G or NP0 dielectric, packaged in the metric 2012 case size with an 0805 footprint.