Product details

RF Adapters - In Series BULKHEAD JCK TO JCK ADAPTER ISOLATED

Name: 031-4803
SKU: 031-4803

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

Part number (MPN)

031-4803

Impedance

50 Ohms

Frequency

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

031-4803

Specifications for 031-4803
Interface	RF Adapters - In Series
Interface	BNC
Impedance	50 Ohms
Frequency (max)	DC
Frequency (max)	4 GHz
Gender	Jack (Female)
Gender	Jack (Female)
Orientation	Straight
Body Style	Bulkhead
Mounting	Bulkhead
Body Material	Brass
Termination	Beryllium Copper

Show 10 more specs

Termination	Silver
Part # Aliases	31-4803
Packaging	Bulk
Product Category	RF Adapters - In Series
Unit Weight	0.391541 oz
Shell Plating	Nickel
Side 2 Polarity	Normal
RoHS	E
Subcategory	RF Adapters
Side 1 Polarity	Normal

Description

Current reference data for 031-4803: 50 Ohms · DC · Bulkhead. The catalog currently lists the configuration as: Straight. Impedance is listed as 50 Ohms. If that parameter is critical, confirm it again in RFQ. Frequency is listed as DC. The real operating limit still depends on the assembly, mating pair, and application context. Mounting is listed as Bulkhead. If panel, bulkhead, or flange constraints matter, send the dimensions with the RFQ. Material is listed as Brass. That is useful for review, but it does not replace full project stack-up confirmation. 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)

B2B RFQ sourcing from China for compatible alternatives and supplier-coordinated custom production. MOQ 200+, typical lead time 3–6 weeks after drawing/spec/BOM review; no physical stock is promised.

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 RF Adapters - In Series

Gender Jack (Female)

Orientation Straight

Impedance 50 Ohms

Frequency (max) DC

Mounting Bulkhead

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

FAQ

What is the impedance of 031-4803?

Our catalog lists the impedance for 031-4803 as: 50 Ohms. If impedance is critical for your application, include the requirement in your RFQ and we will confirm.

What mounting style does 031-4803 use?

Our catalog lists the mounting style for 031-4803 as: Bulkhead. If you have panel/bulkhead/flange constraints, attach a drawing in the RFQ.

Similar Connectors

Related models:

R110081020W

RF Connectors / Coaxial Connectors MMCX(M) 2/50S STR PLUG CRIMP

View details →

119251-001

Modular Connectors / Ethernet Connectors TOOLING

View details →

HFJ12-1G40ERL

Modular Connectors / Ethernet Connectors GIGABIT 1x2 Tab Down RJ45 w/mag No LED

View details →

S30S39-316-

SMB plug to SMB plug right angle using RG316

View details →

SATA01110011

I/O Connectors SATA receptacle

View details →

PV6B20S41SNL16

D-Sub Standard 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 is a China-based export sourcing partner for compatible alternatives and is not affiliated with the original brands. Trademarks remain the property of their respective owners. Final suitability is confirmed by drawing/spec review during RFQ.