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Amphenol 031-70546-12G — RF Cable Assemblies

Amphenol 031-70546-12G BNC Plug, 75 Ohm, 12 GHz

MPN031-70546-12G
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Amphenol RF BNC series, 031-70546-12G, plug male pin, 75 Ohm, 12 GHz, crimp termination, bayonet lock, 500 mating cycles, nickel body, gold centre contact, for Belden 4505R cable.

$8.1800Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent supplier — new & surplus connector stock· Listing updated Jul 2026

Specifications

031-70546-12G specifications
ParameterValue
MountingFree Hanging (In-Line)
Connector typePlug, Male Pin
Fastening typeBayonet Lock
Frequency - max12 GHz
Cable groupBelden 4505R
Operating temperature-30°C~85°C
Body materialPhosphor Bronze
Housing colorSilver
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialBrass
PackageBulk
Impedance75Ohm
Body finishNickel
Mating cycles500
Number of ports1
Shield terminationCrimp
Contact terminationCrimp
Center contact platingGold

Product details

The 031-70546-12G: It carries a 12 GHz frequency rating, which means it handles the full L-band through X-band spectrum used in video distribution, broadband RF, and test equipment.

Cable-Specific Crimp Termination

This connector is engineered for Belden 4505R — the cable group is specified in the part number, not a generic fit. The nickel body finish and phosphor bronze body material resist corrosion in humid or mildly industrial environments.

Frequently asked questions

What cable is Amphenol 031-70546-12G compatible with?

The 031-70546-12G is designed for Belden 4505R cable. The cable group is specified in the part — not a generic fit. Using a different cable changes the impedance match and the crimp die requirement.

How many mating cycles does 031-70546-12G support?

The gold-plated brass centre contact and nickel body finish support repeated connect-disconnect without signal degradation or corrosion.

Does Amphenol 031-70546-12G have a bayonet lock?

Yes, the 031-70546-12G uses a bayonet lock fastening type. The quarter-turn coupling provides a vibration-resistant mate without requiring a torque specification.