CKT100/25/126 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 Fixed ceramic vacuum capacitors widely used in influence heating ,medium heating ,the equipments for communication transmitters and broadcasting etc.
The vacuum capacitor Cross reference
COMET  Old  Type: MC3C-100E/35
COMET New Type: CFMN-100EAC/35-DH-G