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Amphenol 031-5999-RFX — RF / Coaxial Connectors

Amphenol RF 031-5999-RFX BNC Plug, 50 Ohm, 4 GHz, RG-8/213

MPN031-5999-RFX
Active

Amphenol RF BNC plug, male pin, 50 Ohm, 4 GHz, crimp termination, for RG-8/8A/9/9A/9B/87/213/214/225/302/393, 500 mating cycles, -65°C~165°C, bulk.

$11.3800Ref. 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

031-5999-RFX key specifications
ParameterValue
MountingFree Hanging (In-Line)
Connector typePlug, Male Pin
Fastening typeBayonet Lock
Voltage rating500 V
Frequency - max4 GHz
Cable groupRG-8, 8A, 9, 9A, 9B, 87, 213, 214, 225, 302, 393
Operating temperature-65°C~165°C
Body materialBrass
Housing colorSilver
Dielectric materialPolyoxymethylene (POM) Acetal
Center contact materialBrass
PackageBulk

All specifications

031-5999-RFX additional specifications
ParameterValue
Includes3 pcs - 1 Connector, 1 Contact, 1 Ferrule
Impedance50Ohm
Body finishNickel
Mating cycles500
Insertion loss0.2dB
Number of ports1
Shield terminationCrimp
Contact terminationCrimp
Center contact platingGold

Product details

The 031-5999-RFX: This plug accepts RG-8, 8A, 9, 9A, 9B, 87, 213, 214, 225, 302, and 393 — the larger-diameter RG-series cables used where lower loss over longer runs matters.

Environmental and Mechanical Ratings

The 500 V voltage rating covers typical 50-ohm system voltages with margin.

Frequently asked questions

Which cables are compatible with Amphenol RF 031-5999-RFX?

This plug is compatible with RG-8, 8A, 9, 9A, 9B, 87, 213, 214, 225, 302, and 393 cables. Both centre contact and shield are crimp-terminated.