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Coaxial connectors (also known as RF connectors), are electrical connectors used to connect coaxial cables to electronic devices and can carry high-frequency signals over long distances. You can find more information in our [coaxial connectors guide](/web/content/discovery/ideas-and-advice/coaxial-connectors-guide).

### What do Coaxial Connectors do?

Coaxial connectors provide a convenient method of connecting RF equipment together ensuring reliable and efficient signal transmission in a range of electronic devices and systems.

### Applications

Coaxial connectors are used in several applications including:

- Laboratory
- Test and measurement
- Telecommunications
- Base stations
- GPSLAN
- Antennas
- Consumer electronics

### Types of Coaxial Connectors

There are various types of Coaxial connectors available, and each type has its own unique features and can be used in different applications depending on factors such as frequency range, impedance, power handling and evironmental conditions such temperature and humidity. Popular types include:

- BNC Connectors - commonly used in video and radio applications and are easy to install and remove
- SMA Connectors – (Subminiature Version A) used in high-frequency applications, such as radio, GPS, and wireless networks
- N Connectors – N-type connectors are used in higher-power applications, such as radio transmission systems
- TNC Connectors – these are like BNC connectors, and are designed for outdoor use
- F Connectors - these F-type coax connectors are commonly used in cable TV and satellite systems to conduct an electrical signal
- SMB Connectors – (Subminiature Version B) widely used with Industrial electronics and telecoms equipment


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Coaxial Connectors | BNC Connectors & Plugs | RS

Coaxial Connectors

RS PRO Hand Ratcheting Crimp Tool for Coaxial Connectors

RS PRO Hand Crimp Tool for Coaxial Connectors

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Rf Coaxial Connectors | RS

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Neutrik BNC Connectors | RS

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Radiall BNC Connectors | RS

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Radiall SMA Connectors | RS

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Rp-Sma Connectors | RS

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Telegartner BNC Connectors | RS

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BNC Connectors | RS

<p>BNC or Bayonet Neil-Concelman connectors are radio frequency or RF connectors that are used with coaxial cables. With features such as a quick-release bayonet connection, BNC's are a widely used and reliable standard form of connection in RF applications.</p><h2>What are BNC connectors used for?</h2><p>While most commonly used for allowing televisions to receive analogue signals from terrestrial antennae, the connector was also used in radio and signal test instrumentation and even in early computing hardware.</p>

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Samtec Coaxial Connectors | RS

<p>Also known as barrel or tip connectors, the excellent performance and reliability with Samtec's Coaxial Connectors ensures precision and efficiency in signal transmission, filtering out unwanted interference. This enhances overall connectivity for televisions, mobile phones, radio, broadband and so much more. Engineered with the latest advancements in coaxial connector design, Samtec's connectors deliver exceptional signal integrity, meeting the stringent demands of modern electronic systems.</p><h2>What do Coaxial Connectors do?</h2><p>Coaxial connectors provide a convenient method of connecting RF equipment together ensuring reliable and efficient signal transmission in a range of electronic devices and systems.</p><h2>What does the material on Coaxial Connectors mean?</h2><p>The contact material on connectors may vary due to different factors which you may need to consider in your search.</p><ul><li>Brass</li></ul><p>Brass is the least expensive of the three metals and has excellent electrical properties, but it does have a low yield strength and the brass beams on the socket will take a permanent set.</p><ul><li>Beryllium Copper</li></ul><p>Beryllium copper is usually the more expensive material but provides a good selection of properties. It provides the best combination of mechanical and electrical properties. BeCu will retain its shape under a wide variety of conditions once formed and set.</p><ul><li>Phosphor Bronze</li></ul><p>Phosphor bronze is the base metal used in most Samtec connectors. The metal is stronger than brass and has better spring properties however, it is not considered a better option compared to BeCu and therefore not used as much.</p><h3>Why are some connectors plated?</h3><p>You may notice some connectors are plated Gold. Gold provides better corrosion protection, improved electrical conductivity, increased durability, ease of application, excellent heat resistance, and is nonmagnetic.</p>

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MMCX Connectors | RS

<p>MMCX connectors (Micro-miniature coaxial) are a 50 &Omega; micro-miniature RF coaxial cable connector similar to MCX connectors but considerably smaller. Conforms to European standard CECC 22000 specifications. The MMCX connector features a Snap-on / snap off coupling mechanism ensuring quick connect and disconnect mating which reduces the instillation time.</p><h2>Where are MMCX Connectors used?</h2><p>The compact MMCX Snap-on connector is designed for applications where PCB board space is limited. The lightweight micro-miniature RF connectors are suited to applications requiring low RF leakage and a broadband frequency ranging from DC to 6 GHz.</p><p>MMCX micro-miniature RF connectors are ideal for use in a wide range of applications. The most common are:</p><ul><li>Wireless devices</li><li>GPS receivers</li><li>Telecommunication and consumer electronics</li><li>WiFi PCMCIA Cards.</li></ul>

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N Connectors | RS

<p>N Connector or N Type Connector is an RF (Radio Frequency) mid-sized weatherproof connector with screw coupling mechanism utilising a 5/8-24 UNEF (Unified Extra Fine) thread. N type connectors are primarily used to join coaxial cables together. Early connectors were designed to carry signals at frequencies up to 1 GHz. Modern day connectors can operate at frequencies up to 11 GHz some even going up to 18 GHz.</p><p>N Type connectors can be terminated on to various flexible and semi-rigid coaxial cables. They allow the transmission of radio frequencies from base stations, transmitters and receivers to their antennas. The robust design makes them useful in harsh environments that require good vibration resistance and weatherproofing.</p><h2>Where are N Type Connectors used?</h2><p>Versatile N type coaxial cable connectors can be used in several applications such as antennas, base stations, radar systems, instrumentation, satellite and broadcast. N type connectors are available as male (plugs) or female (jacks) with 50 &Omega; or 75 &Omega; impedance. Mounting types come in various options including cable, panel, bulkhead and PCB. Different termination methods include crimp, solder and clamp.</p>

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Coaxial Plugs | RS

<p>A coaxial plug is a type of radio frequency (RF) connection that is often used with coax cables. Though commonly associated with a standard RF connector used in analogue television and radio arrays, there are actually several different kinds of coaxial connectors suited to a variety of specialist RF applications.</p><h2>Types of coaxial plugs:</h2><ul><li>BNC is a miniature RF connector with a bayonet locking system, and is commonly used in television, radio and test instruments.</li><li>TNC is a threaded version of the BNC connector.</li><li>UHF is a threaded RF connector that has applications in amateur radio arrays and VHF radio.</li><li>F is an RF Connector commonly used to connect satellite television and cable modems.</li><li>N is a threaded RF Connector that is known for its weather proof properties.</li><li>SMA/SMB/SMC are sub miniature RF connectors. Versions A, B and C are all feature 50 Ohm impedance, and differ by their threaded, snap on, and hex nut coupling, respectively.</li><li>MCX is a micro coaxial connector that is a smaller version of the SMB connector, often used in Wi-Fi antennas.</li></ul>

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Coaxial Sockets | RS

<p>A coaxial socket, or coaxial connector, is a female type of radio frequency (RF) connector that is often used with coaxial cable. Though commonly associated with a standard RF Connector used in analogue television and radio arrays, there are actually several different kinds of coaxial connector suited to a variety of specialist RF applications.</p>

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F Connectors | RS

<p>An F connector, or F-type connector, is a coaxial connector which is commonly attached to an RG6 or RG59 cable and transfers an electrical signal for terrestrial TV or satellite television. They are threaded connectors which have a maximum operating frequency of 1 GHz and impedance of 75 ohms and are used to help make a connection in coaxial cables.</p><h2>Where are F Connectors used?</h2><p>F connectors are mostly used in domestic environments for cable, terrestrial and satellite TV installations, due to the fact that very high frequencies are involved. Although F connectors are not weatherproof, they can be enhanced with an O-Ring providing some weatherproofing.</p>

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Cable Coaxial Connectors | RS

<p>Coaxial cable connectors are used to connect coaxial cables to electronic devices such as televisions, modems, and routers. These types of connectors have a threaded end that screws onto the threaded connector on the device. The other end of the connector has a coaxial cable that plugs into the connector on the cable.</p><p>Coaxial cable connectors are easy to install and provide reliable, high-quality signal transmission. They are also resistant to interference from external sources such as radio waves, which can disrupt the signal transmission of other types of cables.</p><h2>Applications:</h2><p>There are ideal for applications that require high speed data transfer over long distances and include:</p><ul><li>Cable TV</li><li>Broadband internet</li><li>Security systems</li><li>Satellite communication systems</li></ul>

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Right Angle Coaxial Connectors | RS

<p>Right angle coaxial connectors are electrical connectors used to connect radio frequency (RF) equipment and microwave communication systems. Right angle coaxial connectors are available in a variety of types, including BNC, MCX, SMA, SMB, N and TNC connectors.</p><p>These right angle connectors are ideal in applications where space is limited, and a straight connector cannot be used e.g. in tight spaces within electronic equipment, where there is not enough room for a straight connector.</p><p>Right angle coaxial connectors are used in various industries including telecommunications, aerospace, and electronics and they are also popular with hobbyists who work with RF and microwave systems.</p>

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MCX Connectors | RS

<p>MCX Connector (Micro coaxial connector) is a micro coaxial RF connector with 50 &Omega; and 75 &Omega; impedance. The MCX connector features a snap-on/ snap-off coupling mechanism ensuring quick connect and disconnect mating which reduces the installation time. RS MCX connectors conform to European standard CECC 22220 specifications.</p><h2>How are MCX Connectors used?</h2><p>The compact MCX Snap-on connector is designed for applications where PCB board space and weight restrictions must be considered. The lightweight Micro RF connectors are suited to applications requiring a broadband frequency ranging from DC to 6 GHz.</p>

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SMA Connectors | RS

<p>The SMA Connector is a coaxial connector (RF) with a 50 Ohm impedance. The Sub Miniature version A connector is commonly used in WiFi antenna systems but has also been used in handheld radio antennas.</p><p>SMA Connectors are equipped with a threaded barrel and hex nut that screws the plug and socket together, ensuring the centre pin of the female connection is held steady and the mating is secure.</p><p>Our range of SMA Connectors accommodate for cable, panel and PCB mounting, and has gold-plated options for a long-term quality connection.</p>

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SMB Connectors | RS

<p>SMB Connectors (Sub-miniature version B) are small RF coaxial connectors. They feature a Snap-on coupling mechanism making them ideal for field install applications and are available in 50 &Omega; and 75 &Omega; impedances and support applications with a requirement of DC to 4 GHz.There are many variants of SMB connector, the choice depends on the application it is used for. SMB connectors are used with a thinner coaxial cable and are available straight or right angled.</p><p>Unlike other RF connectors, SMB connectors' gender can be confusing. The Female or (jack) has a male centre pin and the Male (plug) has a female basket or hole. SMB connectors are useful in environments where space saving is crucial. Typical applications include Base stations, Antennas, Radio boards, GPS (Global Positioning Systems), PC/LAN (Local Area Network)</p><h2>Termination methods</h2><ul><li>Crimp</li><li>Clamp</li><li>Solder</li></ul><h2>Mounting types</h2><ul><li>Cable mount</li><li>Panel mount</li><li>PCB mount</li></ul>

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TNC Connectors | RS

<p>The TNC connector or (Threaded Neill -Concelman) is a slightly smaller RF connector. Similar to the more common BNC, but with a threaded coupling instead of a bayonet coupling. TNC connectors have a 7-16-28 UNEF thread. Impedance is generally 50. However, there are a few 75 &Omega; on the market. The TNC connector typically operates in the DC-11 GHz frequency range.</p><h2>What are TNC Connectors used for?</h2><p>TNC connectors are often likely to be used in applications where the connector needs to survive vibration, and provide reliable performance at high frequencies and the convenience of the bayonet connection is not required.</p>

Right Angle Coaxial Connectors

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