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031-327-RFX — Amphenol product photo
Amphenol

031-327-RFX BNC Jack, 50 Ohm, 4 GHz, Crimp Termination, NRND

MPN031-327-RFX
NRND

Amphenol RF 031-327-RFX BNC jack, 50 Ohm, 4 GHz, crimp termination, free-hanging, bayonet lock, gold-plated centre contact, includes contact and ferrule.

$3.9390Ref. price · indicative, final on quote
031-327-RFX datasheet
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.
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Specifications

031-327-RFX Technical Specifications
ParameterValue
Mounting typeFree Hanging (In-Line)
Connector typeJack, Female Socket
Fastening typeBayonet Lock
Voltage rating500 V
Frequency - max4 GHz
Cable groupRG-58, 58A, 58C, 141, 303, Belden 9907, B7806A
Operating temperature-65°C~165°C
Body materialBrass
Housing colorSilver
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialPhosphor Bronze
PackageBulk
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

BNC Jack for RG-58 and RG-141 — 50 Ohm, 4 GHz

NRND — Plan for a Replacement

This means the manufacturer is phasing it out — it is not suitable for new BOM lines, and existing designs should identify a replacement before the last-time-buy window closes.

The nickel-plated brass body and PTFE dielectric maintain consistent impedance through the crimp zone. When terminating, confirm the cable jacket diameter matches the ferrule bore for the specific RG-58 or RG-141 variant — the kit includes one ferrule, so the cable group compatibility is fixed at ordering.

Kit Contents and Termination

The 031-327-RFX ships as a three-piece kit: one BNC jack body, one centre contact, and one ferrule. The bayonet lock provides positive retention without tools — a quarter-turn mates or unmates the pair. With 500 mating cycles on the gold-plated contact, this connector is suited for test-equipment patch panels or field-reconnect harnesses where periodic disconnection is expected.

Frequently asked questions

Where can I buy 031-327-RFX available via RFQ confirmation?

Submit an RFQ for your target quantity to receive a current sourcing response.

What is the replacement for 031-327-RFX?

Because the part is NRND (Not Recommended for New Designs), the replacement path requires reviewing the current Amphenol RF BNC product line for a form-fit-function alternative with the same 50 Ohm impedance, 4 GHz bandwidth, crimp termination, and RG-58/RG-141 cable compatibility. Existing designs should identify a replacement before the last-time-buy window closes.

What cables are compatible with 031-327-RFX?

The 031-327-RFX is compatible with RG-58, RG-58A, RG-58C, RG-141, RG-303, Belden 9907, and B7806A coax cables. The kit includes one ferrule sized for these cable groups.

Does 031-327-RFX include contact and ferrule?

Yes, the 031-327-RFX ships as a three-piece kit: one BNC jack body, one centre contact, and one ferrule. No separate sourcing of sub-components is required for a single termination.

Can 031-327-RFX be used with RG-58C?

Yes, RG-58C is explicitly listed in the compatible cable group for the 031-327-RFX, along with RG-58, RG-58A, RG-141, RG-303, Belden 9907, and B7806A.