Amphenol RF Mini 75Ω SMB Connectors

Amphenol RF Mini 75Ω SMB Connectors provide broadband capability through 2GHz. The snap-on design utilizes diecast components on non-critical areas while the snap-fit mating allows for quick connect / disconnect. The interface is built in accordance with requirements of Mil-C-39012, in compliance with Mil-STD 348, and is interchangeable with the industry standard for miniature 75Ω SMB. Amphenol RF Mini 75Ω SMB Connectors have an operating temperature range of -65°C to +165°C.


  • 75Ω snap-on coupling allows for quick installation
  • Same interface as 50Ω SMB
  • Product interchangeable with competitors
  • Diecast components


  • Telecommunications
  • Switching equipment
  • Networking


  • 75Ω impedance
  • Voltage rating for RG-188/U cables
    • Sea level: 335V
    • 70,000 ft: 85V
  • 0GHz to 2GHz frequency range with low reflection
  • 750VRMS dielectric withstanding voltage for RG-179 type
  • -65°C to +165°C operating temperature range
Published: 2014-07-14 | Updated: 2022-03-11