Variable Vacuum Capacitor CKTBS650/38/840 vacuum capacitor CKTBS650/38/840 Cross reference Jennings Type: CWV2-650-0255 The CKTBS650/38/840 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.