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Threaded Miniature EMI Spanner Filters

Lowpass EMI Filters

Spec Spin Filters

API Technologies’ Spectrum Control brand manufactures space saving #2-56 threaded miniature EMI spanner filter. This new threaded filter is designed without a hex and does not require soldering for installation.

These features make our spanner filter an excellent selection for applications that require many lines to be filtered in close proximity. The easy swap out also allows for flexibility in filter replacement and capacitance substitution. Easy filter substitution also allows for flexibility in filter placement. Custom design queries are always welcome.



  • .136" to .137" (3.45 to 3.48mm) diameter hole
  • Hole must be free of all insulating materials
  • Installation tool must have a hole of sufficient depth and diameter to accept the termination of the filter
  • Installation force must be applied gradually and smoothly until the flange of the filter is seated against the recieving part
  • Filter Installation Guide




Electrical Specifications

Operating Temperature -55°C to +125°C
Voltage Rating 50 VDC
Current Rating 5 A
Effective Filtering From. 1 MHz to 10 GHz
Capacitance to 10,000 pF
Dielectric Withstanding Voltage 125 VDCF

Mechanical Specifications

Center Spacing 0.110"
Voltage Rating 50 VDC
Lead Finish Gold
Bushing Finish Gold
Tightening Torque 14 oz-in (± 2)(0.11Nm)