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RF connector

Article Id: WHEBN0000079792
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Title: RF connector  
Author: World Heritage Encyclopedia
Language: English
Subject: RCA connector, Belling-Lee connector, N connector, SMA connector, UHF connector
Collection: Coaxial Connectors, Television Terminology
Publisher: World Heritage Encyclopedia

RF connector

A Type N coaxial RF connector (male)
Electronic symbols for the plug and jack coaxial connectors

A coaxial RF connector (radio frequency connector) is an electrical connector designed to work at radio frequencies in the multi-megahertz range. RF connectors are typically used with coaxial cables and are designed to maintain the shielding that the coaxial design offers. Better models also minimize the change in transmission line impedance at the connection. Mechanically, they provide a fastening mechanism (thread, bayonet, braces, blind mate) and springs for a low ohmic electric contact while sparing the gold surface, thus allowing very high mating cycles and reducing the insertion force. Research activity in the area of radio-frequency (RF) circuit design has surged in the 2000s in direct response to the enormous market demand for inexpensive, high-data-rate wireless transceivers.[1]


  • Standard types 1
    • Miniature types 1.1
    • Sub-miniature types 1.2
    • Micro-miniature types 1.3
    • Precision types 1.4
    • Flange connectors 1.5
    • Quick-lock connectors 1.6
    • High voltage types 1.7
    • Blindmate types 1.8
  • See also 2
  • References 3
  • External links 4

Standard types

A double DIN 1.6/5.6 bulkhead jack connector, crimp type, for 75 Ω coaxial cable
A Type N connector (male), right-angled solder-type for semi-rigid coaxial cable with a diameter of 0.141 inch

Miniature types

Sub-miniature types

  • SMA connector, including variants:
    • 3.5 and 2.92 mm connectors, which cross-mate with SMA, and
    • 2.4, 1.85 and 1.0 mm connectors, which do not cross-mate with SMA
  • SMB connector
    • FAKRA - Modified SMB connector with plastic housing and latch used in the automotive industry.[3]
  • SMC connector

Micro-miniature types

Precision types

Flange connectors

  • EIA RF Connectors series of flanged connectors, normally used in high power broadcast transmission sites with rigid lines

Quick-lock connectors

A Mini Quick connector, a Quick-lock type connector for coaxial cable

High voltage types

Blindmate types

See also

The following audio and video connectors are sometimes used for RF, but are not generally considered to be RF connectors:


  1. ^ Pasternack, Inc.
  2. ^ IEC 60169-4 (1975-01)
  3. ^;FAKRA;
  4. ^ "Analysis of Quick Lock N Type Connectors". Microwave Journal, July 14, 2009

External links

  • RF connectors for upper frequencies
  • Common Coaxial Connectors
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