Product details

RF Adapters - Between Series BNC(f) Adapter 4mm BPlugs, Black

Name: CT2939
SKU: CT2939

China-sourced compatible alternative — fit confirmed by drawing/spec review.

Part number (MPN)

CT2939

Impedance

50 Ohms

Need a custom version from drawing?

We coordinate supplier-qualified RF connector and cable assembly sourcing from drawings, samples, or BOM. Typical production lead time is 3–6 weeks after drawing/spec review; feasibility, MOQ, and fit are confirmed by RFQ.

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Lead time: 3–6 wks | MOQ: 200+ pcs

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• Share the reference MPN and source brand if it matters.
• Add the BOM and volume split for production projects.
• Attach the drawing or the key fit requirements.

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Specifications

CT2939

Specifications for CT2939
Interface	RF Adapters - Between Series
Interface	Banana
Interface	BNC
Impedance	50 Ohms
Gender	Jack (Female)
Gender	Plug (Male)
Orientation	Straight
Side 2 Polarity	Normal
Product Category	RF Adapters - Between Series
Unit Weight	0.584059 oz
Subcategory	RF Adapters
Side 1 Polarity	Normal

Show 1 more specs

RoHS	Y

Description

Current reference data for CT2939: 50 Ohms · Straight. The catalog currently lists the configuration as: Straight. Impedance is listed as 50 Ohms. If that parameter is critical, confirm it again in RFQ. If mounting is missing here, confirm it from the drawing or mating requirement. Use this page to shortlist before RFQ, not as the final sign-off.

Use this page to shortlist before RFQ. MOQ 200+ custom production and supply path are confirmed after drawing/spec/BOM review; no spot stock is assumed.

Request Quote (RFQ)

Cstone is a professional factory—not a trading company—specializing in RF and coaxial connectors, adapters, and cable assemblies, including N-type, BNC, SMA, SMP, SSMB, MMCX, and more. We manufacture custom connectors to 2D drawings or samples; fit, MOQ, lead time, and production details are confirmed by RFQ. Factory-made production to 2D drawings or samples; MOQ 200+ and typical 3–6 week lead time are confirmed after drawing/spec/BOM review. Physical inventory is not promised; production details are confirmed by RFQ.

Drawing / spec review MOQ / lead-time check RF connectors Adapters Cable assemblies

Why work with us?

Form-Fit-Function compatibility confirmed by drawing/spec review
Commercially competitive alternative for replacement and sourcing projects
MOQ 200+ and lead time confirmed by model, quantity, and supply path

Working hours: 10:00–20:00 (Beijing Time, UTC+8)

We typically reply within 1 business day (subject to workload and time zones).

Need a brand replacement workflow? Open the general brief → Need an approved alternative or cost-down workflow? Open the procurement brief →

Related RF sourcing routes

If this MPN is only a reference point, continue with a replacement, equivalent, adapter, or drawing-based cable assembly review.

Brand replacement briefs SMA alternatives from China BNC connector equivalents N Type RF replacement Custom RF cable from drawing

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Engineer checklist (key parameters)

Interface Banana

Gender Jack (Female)

Orientation Straight

Impedance 50 Ohms

If these parameters are critical, include them in the RFQ.

FAQ

What is the impedance of CT2939?

Our catalog lists the impedance for CT2939 as: 50 Ohms. If impedance is critical for your application, include the requirement in your RFQ and we will confirm.

Is this an original part or an alternative/replacement?

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Disclaimer

Manufacturer names, trademarks, symbols, and part numbers are used for identification and cross-reference only. Cstone Technology operates its own factory for RF/coaxial connectors, adapters, and cable assemblies and is not a trading company or affiliated with the original brands. Trademarks remain the property of their respective owners. Final suitability is confirmed by drawing/spec review during RFQ.