A ceramic capacitor with part number CAP CER 820PF 1.2KV C0G/NP0 1812 is available, boasting a capacitance of 820 pF and an operating voltage of 1200V (1.2kV). It falls under the C0G and NP0 classifications, indicating its stable temperature characteristics and high frequency performance in the 1812 (4532 metric) package size.