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SMB connector
RF connectors developed in the 1960s.

SMB (SubMiniature version B) connectors are coaxial RF connectors developed in the 1960s. SMB connectors are smaller than SMA connectors.

They feature a snap-on coupling and are available in either 50 Ω or 75 Ω impedance. They offer excellent electrical performance from DC to 4 GHz.

An SMB jack has a male center pin, while an SMB plug has a female basket.

Connectors are available for two SMB cable sizes:

  1. Cable 2.6/50+75 S (3 mm outer / 1.7 mm inner diameter) and
  2. Cable 2/50 S (2.2 mm outer / 1 mm inner diameter)
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SSMB-Nano

The SSMB-Nano connector is a small version of the standard SMB connector with a 'snap-on' coupling.34

  1. Impedance: 50 Ohm
  2. Operating frequency: DC–12.4 GHz

See also

Sources

  • MIL-C-39012
  • MIL-STD-348
  • MIL-STD-202
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References

  1. Answer to a question about SMB connector genders https://web.archive.org/web/20160923121155/http://www.l-com.com/customer-service?ID=4873 ↩

  2. Image of SMB 50 Ω plug and jack illustrating the differences between the two genders https://web.archive.org/web/20190826104220/http://www.coaxplanet.com/Portals/2/SMB%20Jack%20and%20Plug%20with%20ID.jpg ↩

  3. "SSMB-Nano" (PDF). Archived from the original (PDF) on 2011-01-24. Retrieved 2011-01-12. https://web.archive.org/web/20110124205150/http://www.imscs.com/uploads/media/SSMB.pdf ↩

  4. "SSMB-Nano". Imscs.com. 2007-07-24. Archived from the original on 2013-04-19. Retrieved 2011-01-12. https://web.archive.org/web/20130419052403/http://www.imscs.com:80/128.html ↩