EMI FlexFilter Inserts

With the highest quality EMI filter inserts available we offer a wide range of cost effective, easy-to-use EMI FlexFilter inserts configured to your unique Mil-Circular and D-Subminiature performance requirements.

  • Highest performance insert – consistent superiority in side by side comparisons to our competition’s inserts.
  • Components (Caps, Resistors, TVSs, Diodes, etc.) can be integrated to maximize results on pin by pin basis.
  • Lower cost alternative to EMI filtered connectors.
  • Simple installation using your existing connector.
  • Optimum spacing and isolation ensure operation at high voltages.
  • Rugged polymide material delivers contact and retention force required for severe environments

Current product lines include the Mil-Circular EMI Filter Inserts, D-Subminiature EMI Filter Inserts and ARINC EMI Filter Inserts.


Mil-Circular EMI Filter Inserts

Mil-Circular filter inserts are available for most military circular and D-Subminiature connectors with chip cap level filtering that meets a large percentage of requirements (40 dB).

Filter inserts are available for the following connectors:

  • MIL-38999
  • MIL-26482
  • MIL-5015
  • MIL-26500
  • MIL-83723
  • MIL-25799

Custom Configurations are also available.

D-Subminiature EMI Filter Inserts

When considering filters to help eliminate noise issues in a system, determining the best EMI solution is based on the mechanical configuration of your system.


  • Highest reliability drop-in EMI filter solution for D-Sub connectors.
  • Chip Cap filtering delivers industry best performance.
  • Simple installation using your existing connector.
  • Wide array of cost-effective capacitance and voltage options.
  • Military grade and Custom Configurations are also available.

ARINC EMI Filter Inserts

EMI Filter Inserts are available for ARINC 404 and ARINC 600 Connectors with Custom Configurations.