BNC
BNC Connectors
Description
Developed in the late 1940’s as a miniature version of the Type C connector, BNC stands for Bayonet Neill Concelman
and is named after Amphenol engineer Carl Concelman. The BNC product line is a miniature quick connect/disconnect
RF connector. It features two bayonet lugs on the female connector; mating is achieved with only a quarter turn of the
coupling nut. BNC’s are ideally suited for cable termination for miniature to subminiature coaxial cable (RG-58, 59, to
RG-179, RG-316, etc.)
Amphenol 50 Ω BNC connectors are miniature, lightweight units useable up to 11 GHz and typically yield low reflection
through 4 GHz. Designed to accommodate a large variety of RG and industry standard cables, BNC connectors are avail-
able in crimp/crimp, clamp/solder, SURETWIST®, and field serviceable termination styles. A full line of printed circuit board
receptacles, bulkhead receptacles, resistor terminations, and other accessories complement the product offering.
A variety of our 50 Ω BNC connectors are recognized under the Component program of Underwriter’s Laboratories, Inc.
These connectors are ideal for use with medical equipment and test instrumentation where safety cannot be compromised.
Amphenol also offers a full line of 75 Ω BNC connectors to meet the needs for higher performance impedance-matched
cable interconnections. These connectors can be used in a variety of applications where true 75 Ω performance is needed
to insure low signal distortion. Designed for the most popular 75 Ω cables used in broadcast and telecommunications
applications as well as for plenum and other cables, these connectors feature crimp-crimp cable affixment for quick and
reliable installation.
Part numbers that are listed with the appropriate M39012 number are military grade connectors produced in accordance
with and actively qualified to the military specification MIL-C-39012. Connectors not listed with the M39012 number
constitute the industrial grade product offering. These connectors provide comparable performance and generally feature
nickel-plated brass bodies, Teflon insulators, and either gold or silver-plated center contacts. Amphenol’s commercial grade
connector offering carries the part number designation “RFX” for easy recognition. These low-cost connectors typically
utilize die cast and molded components.
Reverse Polarity BNC’s are also available. Reverse polarity is a keying system accomplished with a reverse interface, and
ensures that reverse polarity interface connectors do not mate with standard interface connectors. Amphenol accomplishes
this by inserting female contacts into plugs and male contacts into jacks. Other manufacturers may use reverse threading to
accomplish reverse polarity keying.
Features/Benefits
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀBayonetꢀcouplingꢀmechanismꢀprovidesꢀquickꢀmatingꢀandꢀunmating
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀ50ꢀΩꢀandꢀ75ꢀΩꢀimpedanceꢀdesignsꢀallowꢀcustomersꢀtoꢀmatchꢀsystemꢀ
requirements
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀ50ꢀΩꢀandꢀ75ꢀΩꢀconnectorsꢀareꢀintermateable
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀFourꢀgradesꢀofꢀconnectorsꢀareꢀavailableꢀforꢀmilitary,ꢀindustrial,ꢀcommercialꢀandꢀperformanceꢀapplications
Applications
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀAntennasꢀ
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ꢀ
•ꢀꢀSurgeꢀProtection
ꢀ •ꢀꢀTelecom
•ꢀꢀInstrumentation
•ꢀꢀOscilloscopes
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀBaseꢀStationsꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀBroadcastꢀ ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀCableꢀAssembliesꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀComputers/LANsꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀRadios
•ꢀꢀMedicalꢀEquipment
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ•ꢀꢀSatelliteꢀCommunications
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Amphenol® RF: 800-627-7100
BNC
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