The specified capacitor is a CAP CER 680PF 1.2KV C0G/NP0 type with a capacitance of 1210 - 680 pF and a voltage rating of ±10 1200V (1.2kV). It features ceramic construction, specifically designed as a C0G/NP0 or NP0 (1B) capacitor in the 1210 package size, which is equivalent to the metric size 3225.