Variable vacuum capacitor cktb1000/21/215 The cktb1000/21/215 vacuum capacitor cross reference Jennings type: cvfp1000-30s Comet old type:cv2c-1000e Comet new type:cvma-1000ac/35-aab The hv capacitor use vacuum as dielectric with ceramic envelope , which have the following features:high voltage , small size , high q value, stabilization capability , high reliability , low price. The hv capacitor is variable ceramic vacuum capacitors widely used in influence heating , medium heating , the equipments for communication transmitters and broad casting etc.