INDUSTRY COMPONENT

BNC Connector

BNC connector is a quick-connect/disconnect coaxial RF connector used for signal transmission in electronic equipment.

Component Specifications

Definition
The BNC (Bayonet Neill–Concelman) connector is a miniature quick-connect/disconnect radio frequency connector used for coaxial cable in RF applications up to 4 GHz. It features a bayonet coupling mechanism for secure mating and is commonly used in test equipment, video systems, and data communication networks.
Working Principle
The BNC connector operates by providing a shielded coaxial connection that maintains impedance matching (typically 50Ω or 75Ω) to minimize signal reflection and loss. The bayonet locking mechanism ensures secure mechanical connection while maintaining electrical continuity through center pin and outer shell contact.
Materials
Body: Brass or stainless steel with nickel or gold plating; Dielectric: PTFE (Teflon) or polyethylene; Center contact: Beryllium copper or phosphor bronze with gold plating; Insulator: Thermoplastic or ceramic.
Technical Parameters
ParameterTypical rangeNotes & selection driver
VSWR<1.3:1 at 3 GHz
Impedance50Ω or 75Ω
Insertion Loss<0.3 dB at 3 GHz
Voltage Rating500V RMS
Frequency Range0-4 GHz
Temperature Range-55°C to +85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
IEC 61169-8, MIL-PRF-39012, DIN 47223

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Impedance mismatch causing signal reflection
  • Improper installation leading to signal loss
  • Corrosion in harsh environments
  • Mechanical wear from frequent mating cycles
FMEA Triads
Trigger: Improper crimping during installation
Failure: Intermittent signal loss or complete connection failure
Mitigation: Use calibrated crimping tools, follow manufacturer installation procedures, implement visual inspection standards
Trigger: Corrosion of contacts in humid environments
Failure: Increased contact resistance and signal degradation
Mitigation: Specify gold-plated contacts for critical applications, use environmental seals, implement regular maintenance schedules

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.05mm for critical dimensions, impedance tolerance ±2Ω
Test Method
VSWR measurement per IEC 61169-8, insertion loss testing, mechanical durability testing (500 mating cycles)

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of BNC Connector

9 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Danyang Teruilai Electronics Co.,Ltd
Xian, Shaanxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC Connectors”
View source page ↗ teruilai.com · checked 2026-09-04
Dosin Electronics
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC Connector”
View source page ↗ dosinconn.com · checked 2026-08-29
FLECONN
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC Connector male”
View source page ↗ fleconn.com · checked 2026-09-11
Hefei Maniron Electronic and Technology Co., Ltd.
Hefei, Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “50 ohm BNC connector”
View source page ↗ manirontronics.com · checked 2026-09-14
MetabeeAI
Chengdu, Sichuan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC Connectors”
View source page ↗ metabeeai.com · checked 2026-09-14
Moco Connectors
Shenzhen, Guangdong, CN
Also makes: Signal Connectors
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC connector”
View source page ↗ mococonnectors.com · checked 2026-09-11
RHT
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “- BNC connectors”
View source page ↗ rhtecp.com · checked 2026-09-14
SUIN Instruments Co., Ltd.
Shijiazhuang, Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “N-BNC Connector”
View source page ↗ suindigital.com · checked 2026-09-13
Zhenjiang Huajian Electronics Co.,Ltd
Zhenjiang, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “BNC Connector”
View source page ↗ rfconnector-china.com · checked 2026-09-04

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the difference between 50Ω and 75Ω BNC connectors?

50Ω BNC connectors are optimized for RF and data transmission applications where power transfer is critical, while 75Ω connectors are designed for video and broadcast applications where signal quality is prioritized. They are not interchangeable due to impedance mismatch.

How do I properly install a BNC connector on coaxial cable?

Strip the cable to expose center conductor and shield, insert dielectric into connector body, solder center conductor to pin, fold back braided shield, and secure with crimp sleeve using proper tooling to maintain impedance continuity.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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