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Amphenol 031-80401 — RF / Coaxial Connectors

Amphenol RF 031-80401 BNC Plug, 75 Ohm, RG-179, 3 GHz

MPN031-80401
Active

Amphenol RF BNC plug, 75 Ohm, male pin, crimp termination, for RG-179/187 cable, 3 GHz max, 500 V, 500 mating cycles, nickel body, gold center contact, bulk package includes connector, contact, ferrule.

$5.4800Ref. 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 China distributor & sourcing agent· Listing updated Jul 2026

Specifications

031-80401 key specifications
ParameterValue
MountingFree Hanging (In-Line), 45° Angle
Connector typePlug, Male Pin
Fastening typeBayonet Lock
Voltage rating500 V
Frequency - max3 GHz
Cable groupRG-179, 179A, 179B, 187, 187A, Belden 9221, M17/94-RG179
Operating temperature-40°C~85°C
Body materialZinc Alloy
Housing colorSilver
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialBrass
PackageBulk

All specifications

031-80401 additional specifications
ParameterValue
Includes3 pcs - 1 Connector, 1 Contact, 1 Ferrule
Impedance75Ohm
Body finishNickel
Mating cycles500
Insertion loss0.2dB
Number of ports1
Shield terminationCrimp
Contact terminationCrimp
Center contact platingGold

Product details

The 031-80401: This is the standard 75 Ohm interface for composite video, CCTV, and telecom baseband signals where the 50 Ohm BNC would create an impedance mismatch.

Cable Prep and Termination Sequence

Signal Performance and Durability

Rated to 3 GHz with 0.2 dB insertion loss — the 75 Ohm impedance holds the return loss low across the video band (DC to a few hundred MHz) and into low microwave frequencies. The 500 V voltage rating covers the peak levels on video lines and telecom signalling.

Frequently asked questions

What is the impedance of the Amphenol RF 031-80401 connector?

Use it on 75 Ohm cable (RG-179, RG-187, Belden 9221) and mate it with a 75 Ohm BNC jack to avoid impedance mismatch.

What cable types are compatible with the 031-80401 BNC plug?

RG-179, 179A, 179B, 187, 187A, Belden 9221, and M17/94-RG179. The crimp ferrule and centre contact are sized for these cable diameters.

What is included in the package for 031-80401?

It is a single-termination kit — order one per cable end.

How many mating cycles does the 031-80401 have?

500 mating cycles — the gold-plated centre contact and nickel body finish support repeated connect/disconnect in field-service or test-equipment use.