Advanced Technologies



For low frequency applications

High power density in processing modules is a requirement of many RF matchbox designers.

With the XtraVolt low frequency Vacuum Capacitor product range Comet meets these needs with higher voltage capability compared to standard products. This allows significant higher voltage in a compact size vacuum capacitor keeping the same form factor.

In high frequency application, current is mostly limited by heat dissipation while in low frequency application current is limited by maximum working voltage. The XtraVolt low frequency vacuum capacitors with higher field strength capability can achieve higher voltage. This allows increased RF current capability and higher power density.

Recommended for frequencies

< 4 MHz

Increased power

> 40 %


  • 20 – 100% increased voltage (below 4 MHz), depending on Vacuum Capacitor types
  • High power density
  • Efficient use of matchbox space
  • Increased design flexibility for your RF match architecture
  • Higher voltage & higher current in standard size capacitor
  • Same voltage specification in smaller size capacitor

> Customization for your unique application possible on request

> Applicable to most existing Vacuum Capacitor series
   (variable, fixed or Trimmer capacitors)

XtraVolt product range versus standard product range

Comparison of XtraVolt and standard types for Mini-Cap, Uni-Con and Hexa-Con series

Current curve of a XtraVolt Mini-Cap

CFMN-100CAC/15-AE-G standard product
CFMN-100HAC/20-AE-G low frequency

Need more information?

Ask the experts

Get support from our local teams


Read our blog about XtraVolt