CKTB500/3.5/57 vacuum capacitor Cross reference comet old type: CV05C-500W/5 comet new type: CVBA-500/BC/5-BEA-L The CKTB500/3.5/57 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 capacitor is Variable ceramic vacuum capacitors widely used in influence heating ,medium heating ,the equipments for communication transmitters and broadcasting etc.