Product details

RF Connectors Coaxial Connectors BNC ST PCB JACK 75 OHM TF-4 POST

Name: 112543
SKU: 112543

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

Part number (MPN)

112543

Impedance

75 Ohms

Frequency

4 GHz

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.

Custom RF cable from drawing →

WhatsApp — Quick Reply

Lead time: 3–6 wks | MOQ: 200+ pcs

Before RFQ Clear inputs speed up review. ⌄

• 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.

How we review alternatives

Image

Click image to enlarge.

Specifications

112543

Specifications for 112543
Interface	_
Interface	BNC
Impedance	75 Ohms
Frequency (max)	4 GHz
Gender	Jack (Socket)
Orientation	Straight
Termination	Solder Pin
Mounting	-
Product	PCB Connectors
Polarity	_
IP rating	_
Packaging	_

Description

Current reference data for 112543: 75 Ohms · 4 GHz · Straight. The catalog currently lists the configuration as: Straight · Solder Pin. Impedance is listed as 75 Ohms. If that parameter is critical, confirm it again in RFQ. Frequency is listed as 4 GHz. The real operating limit still depends on the assembly, mating pair, and application context. If mounting is missing here, confirm it from the drawing or mating requirement. The catalog also lists a sealing or protection value of _. Check that against the real environment requirement in 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

Open contact form

Engineer checklist (key parameters)

Interface BNC

Gender Jack (Socket)

Orientation Straight

Impedance 75 Ohms

Frequency (max) 4 GHz

IP rating _

Termination Solder Pin

Cable type _

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

FAQ

What is the impedance of 112543?

Our catalog lists the impedance for 112543 as: 75 Ohms. If impedance is critical for your application, include the requirement in your RFQ and we will confirm.

What frequency is 112543 rated for?

Our catalog lists the frequency for 112543 as: 4 GHz. Actual performance depends on assembly/materials/application — send an RFQ so we can confirm a suitable option.

Similar Connectors

Related models:

1695ABHD1

RF Connectors / Coaxial Connectors RG6 BNCHD 1PC PLNUM COMPRESN CONECTR GRN

View details →

BNC-LP-142A

The BNC-LP-142A is an BNC Right Angle Plug connector, designed for coaxial cables. This connector is suitable for various high-frequency applications.Fits RG-142B/U cables. It features a impedance 50Ω, and has a rated voltage of AC 500V, ensures a high insulation resistance (1000MΩ(Min.) at DC 500V), a low contact resistance (3 mΩ(Max.). Withstanding temperatures from -40 to +85°C. The contact is made of Brass/Gold-Plated/Soldered, while the body is Brass/Nickel Plating/Crimp.A crimping toolTA-34, TA-35 is required for mounting. We can customize our products for you. We offer total customization, including changes to a product's shape, length, material, surface treatment, and packaging.Learn more about the BNC 50Ω RF connector in our technical guide.

View details →

SC6247

Right Angle BNC Female (Jack) PCB Connector Thru Hole, Solder

View details →

PE3C8817-BR

75 Ohm HD-BNC Male to 75 Ohm 1.0/2.3 Male 6G SDI Cable Using 75 Ohm 1694A-BR Coax

View details →

FMCN1911

BNC Female Bulkhead Connector Clamp/Solder Attachment For FM-SR141ALTN, FM-SR141TB, RG402

View details →

VBA112

RF Adapters - Tee BNC F Style Adapter Plug-Jack-Jack

View details →

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.