Product details

SMA / FEMALE-FEMALE SQUARE FLANGE ADAPTOR

Name: R125710021
SKU: R125710021

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

Part number (MPN)

R125710021

Impedance

Frequency

Interface

SMA

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

R125710021

Specifications for R125710021
Interface	SMA
Interface	SMA
Interface	JACK/JACK
Interface	Adapters
Impedance	50
Frequency (max)	18
Gender	FEMALE
Gender	FEMALE
Mounting	4 HOLE FLANGE
Body Plating	PASSIVATED
Termination	GOLD 1.3 OVER NICKEL 2
Geometry	STRAIGHT

Show 2 more specs

Mating System	SCREW-ON
Mating System 2	SCREW-ON

Description

Current reference data for R125710021: SMA · 50 · 18. Impedance is listed as 50. If that parameter is critical, confirm it again in RFQ. Frequency is listed as 18. The real operating limit still depends on the assembly, mating pair, and application context. For higher-frequency projects, include the drawing, cable path, and critical requirements in the first RFQ. Mounting is listed as 4 HOLE FLANGE. If panel, bulkhead, or flange constraints matter, send the dimensions with the RFQ. 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 Adapters

Gender FEMALE

Impedance 50

Frequency (max) 18

Mounting 4 HOLE FLANGE

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

FAQ

What connector interface/type does R125710021 use?

According to our catalog data, R125710021 lists the interface/type as: SMA. To confirm mechanical fit, send an RFQ and we will validate against your drawing/spec.

What mounting style does R125710021 use?

Our catalog lists the mounting style for R125710021 as: 4 HOLE FLANGE. If you have panel/bulkhead/flange constraints, attach a drawing in the RFQ.

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MPN Search Supports exact, prefix, and partial matching. ⌄

Supports exact, prefix, and partial matching.

000-10400 000-1 00010400

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.