Micro BNC RF Connectors Guide
What are Micro BNC Connectors?
Micro BNC connectors are compact coaxial connectors designed as a smaller alternative to standard BNC connectors. They use a bayonet coupling mechanism similar to BNC, allowing quick and secure connection.
These connectors are typically designed for 75-ohm applications, making them suitable for video and broadcast systems. Compared to standard BNC connectors, Micro BNC connectors enable significantly higher density mounting, supporting more connections in limited space.
In some product lines, Micro BNC connectors are identified with model prefixes such as "H·BNC", followed by specific part numbers (e.g., H·BNCP-1855A), indicating connector type and configuration.
Due to their compact size and reliable performance, Micro BNC connectors are widely used in broadcast equipment, video systems, and high-density signal applications.
Micro BNC vs BNC Connectors
Micro BNC and standard BNC connectors share a similar bayonet coupling design, but differ in size and application focus.
BNC connectors are widely used in both 50-ohm and 75-ohm systems, while Micro BNC connectors are primarily designed for 75-ohm applications such as video and broadcast systems.
Micro BNC connectors are significantly smaller, allowing higher density mounting and more compact system design. Standard BNC connectors, on the other hand, offer more robust handling and are commonly used in general-purpose applications.
Choosing between them depends on space constraints and system requirements.
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Micro BNC RF Connectors Features
Compact and High-Performing
The Micro BNC connector’s compact design allows high-density mounting, four times that of BNC connectors, with a minimum pitch of 8 mm. It supports 12G-SDI for high-definition and large-capacity image transmission. 4K signals can travel long distances over a single cable while maintaining stable performance even at high frequencies.
Impedance
Micro BNC connectors have a 75 Ω impedance, mainly for transmitting video and audio signals to TV receivers and other equipment. Some models are compatible with 50 Ω cables.
Coupling Method
The bayonet lock method allows easy connection without threading. Align the plug with the jack guide, rotate the ring to lock, and the internal spring holds it firmly. To remove, turn in the opposite direction; the connector cannot be pulled out by cable tension alone.
Trivia: The Origin of BNC
BNC likely comes from Bayonet Neill Concelman, the connector manufacturer. Other theories suggest it stands for Bayonet Connector, Baby-series N Connector, or British National Connector.
Micro BNC RF Connectors Applications
Micro BNC connectors are widely used in broadcasting and video signal transmission systems where high-density connections are required.
They are commonly found in broadcast equipment, video routers, patch panels, and camera systems, where multiple signal connections must be managed within limited space.
Due to their compact size and 75-ohm design, Micro BNC connectors are also used in professional video applications, including HD and UHD signal transmission, as well as in monitoring and control systems.
Their ability to support reliable signal transmission in space-constrained environments makes them ideal for modern broadcast and high-density communication systems.
How to Choose Micro BNC Connectors
Choosing the right Micro BNC connector depends on impedance requirements, space constraints, and application needs.
1. Confirm Impedance Requirements
Micro BNC connectors are typically designed for 75-ohm systems. Ensure compatibility with your application.
2. Consider Space Constraints
Micro BNC connectors are ideal for high-density installations where space is limited.
3. Compare with Standard BNC
If space is not a concern, standard BNC connectors may be easier to handle and more widely compatible.
4. Match Cable Type
Ensure compatibility with the coaxial cable used, including impedance and size.
Not sure which connector is right for your application? Contact us for assistance.
Micro BNC RF Connectors Standards and Technical Specifications
Nominal Impedance
Impedance rating is 75 Ω or 50 Ω, indicating compatibility with most standard RF equipment.
Coupling Method (Connector Interface)
Connectors securely join using bayonet coupling for stable signal transmission.
Working Voltage (Rated Voltage)
Rated for standard operating voltage of up to AC 170 V.
Maximum Withstanding Voltage
Safely withstands up to AC 500 V for one minute without electrical breakdown.
Insulation Resistance
Minimum insulation resistance of 10,000 mΩ when tested with 500 V, ensuring electrical safety.
Contact Resistance
Maximum contact resistance of center 10 mΩ and outer 2.5 mΩ when conducting DC current of 1 ampere, ensuring efficient connection.
Note: The figures shown are typical values. For more information, please contact us.
Micro BNC RF Connectors FAQs
QCan they be mated with mini-BNC?
QCan they be mated with mini-BNC?
No, they cannot. In size order, standard BNC is larger than mini BNC, which is larger than Micro BNC. Connectors from other manufacturers, such as Micro BNC and HD-BNC, are compatible.
QIs there an easy way to mate them in a narrow pitch area?
QIs there an easy way to mate them in a narrow pitch area?
Yes. Micro BNC connectors are miniaturized for high-density mounting in narrow pitches. Mating can be tricky, but a dedicated tool allows smooth connection.
QWhat is the purpose of the tool bit for a round nut?
QWhat is the purpose of the tool bit for a round nut?
Some Micro BNC receptacles for printed circuit boards use a round nut to clamp the enclosure. Since it is not hexagonal, the bit for round nut tool is used to tighten it.
QAre Micro BNC connectors suitable for high-density mounting?
QAre Micro BNC connectors suitable for high-density mounting?
Yes, Micro BNC connectors are designed for high-density mounting. Their compact size allows for four times the density of standard BNC connectors, with a minimum pitch of 8 mm.
QWhat is the impedance rating of Micro BNC connectors?
QWhat is the impedance rating of Micro BNC connectors?
Micro BNC connectors typically have an impedance of 75 Ω, making them suitable for video and audio signal transmission. Some models are also compatible with 50 Ω cables.
QWhat coupling method do Micro BNC connectors use?
QWhat coupling method do Micro BNC connectors use?
Micro BNC connectors utilize a bayonet coupling method, allowing for easy connection and disconnection without threading. The internal spring mechanism ensures a secure connection.
QWhat is the voltage rating of Micro BNC connectors?
QWhat is the voltage rating of Micro BNC connectors?
Micro BNC connectors are rated for standard operating voltage of up to AC 170 V, ensuring safe operation in typical applications.
QWhat is the maximum voltage rating of Micro BNC connectors?
QWhat is the maximum voltage rating of Micro BNC connectors?
Micro BNC connectors can safely withstand up to AC 500 V for one minute without electrical breakdown, providing durability in demanding environments.
QWhat is the insulation resistance of Micro BNC connectors?
QWhat is the insulation resistance of Micro BNC connectors?
Micro BNC connectors offer a minimum insulation resistance of 10,000 mΩ when tested with 500 V DC, ensuring electrical safety and preventing leakage.
QWhat is the contact resistance of Micro BNC connectors?
QWhat is the contact resistance of Micro BNC connectors?
The center contact resistance of Micro BNC connectors is a maximum of 10 mΩ, and the outer contact resistance is a maximum of 2.5 mΩ when conducting DC current of 1 A.
QWhat is the frequency range of Micro BNC connectors?
QWhat is the frequency range of Micro BNC connectors?
Micro BNC connectors are suitable for signals within a frequency range from DC to 12 GHz, depending on the specific model and application requirements.
QWhat is the Voltage Standing Wave Ratio (VSWR) of Micro BNC connectors?
QWhat is the Voltage Standing Wave Ratio (VSWR) of Micro BNC connectors?
Micro BNC connectors maintain optimal signal quality with a maximum V.S.W.R. of 1.3 within the frequency range of DC to 4 GHz, ensuring minimal signal reflection.
QCan Micro BNC connectors be used for 4K signal transmission?
QCan Micro BNC connectors be used for 4K signal transmission?
Yes, Micro BNC connectors are compatible with 12G-SDI, the current standard for high-definition and large-capacity image transmission, allowing 4K equivalent signals over long distances.
QHow can I order Micro BNC RF connectors, and what support do you offer?
QHow can I order Micro BNC RF connectors, and what support do you offer?
Ordering is simple—you can purchase our Micro BNC RF Connectors directly on our website or contact our sales team for assistance. We also provide full technical support, including datasheets, CAD models, and application notes, to help you pick the perfect connector for your project.
Purchase Guide
Tyclon coaxial connectors and processed coaxial cable products can be purchased directly online using a variety of credit cards.
Catalog
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