Product details

RF component — quote request

Name: 31-203
SKU: 31-203

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

Part number (MPN)

31-203

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

31-203

Specifications for 31-203
Interface	Coaxial Connectors (RF)
Part Number	31-203
IP rating	In Stock. Alternative Models Available.
Lifecycle	New From This Manufacturer
Delivery	DHL、UPS、FedEx、Registered Mail
Payment	T/T Paypal Visa MoneyGram Western Union
More Information	31-203 More Information
ECAD	Request Free CAD Models
Model Number	31-203
Category	Coaxial Connectors (RF)

Description

Reference MPN listed for 31-203. Final fit needs the drawing or BOM. 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

Open contact form

Engineer checklist (key parameters)

Interface Coaxial Connectors (RF)

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

Similar Connectors

Related models:

12129465

Automotive Connectors RING BATTERY TIN PLT

View details →

227079-9

RF Connectors / Coaxial Connectors D.C. PLUG 50 OHM

View details →

RJE7218813A3

Modular Connectors / Ethernet Connectors RJ45 CAT5E Recessed LEDs

View details →

MWDM6L-15S-4K7-68L

D-Sub Micro-D Connectors MICRO D PREWIRED CON 15CNT SKT #24AWG

View details →

500E010M15H05

D-Sub Backshells MICRO-D ROUND/SIDE HEX HEAD JKSCRW

View details →

MWDM2L-25GS-6K7-4M

D-Sub Micro-D Connectors

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.