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31-5556-RFX — Amphenol product photo

31-5556-RFX BNC Plug, 50 Ohm, 4 GHz, RG-59 Cable Group

MPN31-5556-RFX
Active

Amphenol RF 31-5556-RFX BNC plug, male pin, 50 Ohm, 4 GHz, crimp shield/push-on contact, for RG-59/62/210 cable groups, bulk pack includes connector, bushing, ferrule.

$4.3400Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
  • Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
  • Photo-verified countsEvery line counted and photographed before the box closes.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

31-5556-RFX Technical Specifications
ParameterValue
Mounting typeFree Hanging (In-Line)
Connector typePlug, Male Pin
Fastening typeBayonet Lock
Voltage rating500 V
Frequency - max4 GHz
Cable groupRG-59, 59B, 62, 140, 210, Belden 8241, 8263, 8279, 9209
Operating temperature-65°C~165°C
Body materialBrass
Housing colorSilver
Dielectric materialPolyoxymethylene (POM) Acetal
Center contact materialBrass
PackageBulk
Includes3 pcs - 1 Connector, 1 Bushing, 1 Ferrule
Impedance50Ohm
Body finishNickel
Mating cycles500
Insertion loss0.2dB
Number of ports1
Shield terminationCrimp
Contact terminationPush On
Center contact platingGold

Product details

BNC Plug for RG-59 Cable Groups, 50 Ohm, 4 GHz

The 31-5556-RFX: Each unit ships as a 3-piece kit: the connector body, a bushing, and a ferrule.

Cable Group Fit and Termination

This plug is specifically dimensioned for RG-59-class coax — the cable group includes RG-59, 59B, 62, 140, 210, and common Belden numbers 8241, 8263, 8279, 9209. The shield is terminated via crimp, while the centre contact uses a push-on (solderless) connection.

Frequently asked questions

What cables are compatible with 31-5556-RFX?

The 31-5556-RFX is designed for RG-59, 59B, 62, 140, 210, Belden 8241, 8263, 8279, and 9209 cable groups. It is not intended for RG-58 or RG-174 cables — those require the 31-320-RFX or 31-315-RFX respectively.