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Coaxial Connectors

Coaxial connectors, also referred to as tip or barrel connectors, are single-piece components designed to connect two pieces of equipment or cables together for an efficient power supply. These connectors maintain the outer interference shielding by joining the devices that are unable to join directly. Furthermore, they are available in various dimensions for various cable sizes for smooth and efficient signal transmission. In addition, they also come in various mounting styles, gender types, and body orientations to suit a great range of applications. 

Types of Coaxial Connectors

These connectors have a multitude of types, each carefully designed to fit their respective cables. Some of them are delicate and prone to damage. Moreover, each type also differs in its function, which is typically ideal for harsh conditions such as pressure, impact, high vibration, and temperatures.  For instance, RF (radio frequency) coaxial cables require connectors that allow a highly stable electric resistance at the connection point with connected cables. 

Despite the wide range of their types, they are classified into two main categories of adapters and include:

  • In series coaxial adapters: In series, also called inline couplers or barrel adapters, are coaxial adapters that feature two-port interconnect equipment and conveniently transform one in series gender type to another. They are also ideal for joining dual cable lengths of the same series to extend their run. 
  • Between series coaxial adapters: Unlike In series, Between series adapters with two-port interconnection are designed to convert two different RF coaxial cable connector types, such as SMA to TNC or BNC to N.

Available Mounting Type Coaxial Connectors

The following mounting types of coaxial adapters are available.

  • Cable mount
  • Edge mount
  • Flange mount
  • Panel mount
  • Surface mount 
  • Through hole
  • Twist-on
  • PCB mount
  • Bulkhead mount

Factors for the Selection of Coaxial Connectors

It is crucial to consider various key parameters, such as the environment, before choosing a coaxial connector that includes:

Connector Series (Connector Group)

  • TNC, N-type, SMA, BNC

Body Orientation

  • Straight
  • Angled
  • Vertical
  • Right angle
  • Tee

Gender Type

  • Male to Male, Male to Female, Female to Female, 

Impedance (Frequency)

  • 50 Ω
  • 75 Ω
  • 100 Ω
  • 500 Ω

What are the Typical Uses of Coaxial Connectors?

Typically, these connectors are designed to offer a convenient way of connecting RF equipment, they are widely employed in other environments, such as:

  • Test and Measurement
  • Telecom
  • Consumer Electronic
  • Automotives
  • Indoor and Outdoor Applications
  • Laboratory
  • Base Stations
  • Communications
  • LAN
  • GPS Systems & Antennas

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New Items
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RS_546-5200, RS PRO

RS_546-5200, RS PRO

RS PRO 50Ω Straight Cable Mount TNC Connector, Plug, RG58 This male TNC coaxial connector from our RS PRO range is a miniature radio-frequency (RF) connector that's used for joining RG58 coaxial cables together. When paired with its corresponding female receptacle, this straight cable mount connector creates stable transmission lines that are perfect for conveying data. Used in a wide range of radio and wired applications, this connector performs particularly well at microwave frequencies (e.g. with portable radios and mobile phone antennas). It's finished with high-quality gold contact plating that protects against corrosion. TNC connectors have a similar design to BNCs, but with a threaded screw-fit mechanism rather than a bayonet. Crafted with weatherproof materials, its secure screw-fit mechanism protects against vibration and external electromagnetic interference. For proper termination, the coaxial connector should be crimped onto the cable with a crimping tool. Features and Benefits • Straight body male TNC connector • Cable mounting • Copper alloy contact material • Crimp termination method • Characteristic impedance of 50 Ω • Normal polarity • Gold contact plating • Compatible with RG58 cables • Weatherproof materials and screw-fit mechanism protect against external interference RS PRO RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality, which means you can be confident too.
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RS_193-8120, RS PRO
New items
RS_170-6961, RS PRO

RS_170-6961, RS PRO

This is a 27GHz SMA jack connector for field through application. It can accept .015" pin at the panel end. There are 4 holes on .500" square flange for fixing on the housing. These products are designed to mate with standard SMA connectors and maintain the same mechanical characteristics. This series includes passivated or gold plated stainless steel bodies, Teflon insulatore and gold-plated berylium copper center contacts. Impedance: 50 OHM Frequency Range: DC-26.5 GHz V.S.W.R: 1.17 MAX@18GHz, 1.21 MAX@26.5GHz RF/Microwave systems and components. Finish: gold plated center contact & body
New items
RS_793-3635, RS PRO

RS_793-3635, RS PRO

RS Waterproof IP68 50 Ohm SMA Series Jack End Launcher 50 Ohm SMA series RF coaxial jack receptacle end launch with waterproof IP68 inner sealing against gas and moisture ingress between insuslators, inner and outer conductors and connector body and panel sealing between the connector body and panel mounting hole. These IP68 waterproof SMA end launch jack receptacles have a nickel plated brass body, teflon insulator, silicone 'O' rings and a gold plated centre contact.
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RS_546-5036, RS PRO
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RS_546-4869, RS PRO

RS_546-4869, RS PRO

RS 75 Ohm Coaxial Crimp BNC RF Connectors From RS PRO, these BNC coaxial connectors are designed for use with coaxial cables, and feature an easy-to-terminate cable crimp design. The connector has a robust nickel plated body, and features the secure and convenient bayonet coupling system typical of a BNC connector. The centre pin contact is gold plated, for excellent conductivity over a long service life, and there is also a PTFE insulator for increased reliability. Features and Benefits • BNC plug • Nickel plated body provides a heavy-duty build quality • Gold contacts ensure maximum efficiency • Crimp termination method • 75 Ω impedance • Operating frequency of 4GhZ • Insulation material: PTFE • Normal polarity Applications BNC connectors are used in a variety of RF signal applications. Though they are most commonly used in radio and television broadcast applications, they can also be used in medical and test equipment. • Antenna connection • Cable Modems • Telecom • Medical Equipment • Satcom • CCTV FAQs Q: How should I connect a BNC connector to a coaxial cable? A: This BNC is crimp termination, meaning it can be attached by using a crimping tool to compress the connector crimp ferrule onto an appropriate cable. RS PRO RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality, which means you can be confident too.
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RS_546-3147, RS PRO
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RS_546-4156, RS PRO

RS_546-4156, RS PRO

BNC Crimp Plugs and Jacks
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R124680123W, Radiall

R124680123W, Radiall

Radiall 50 Ohm SMA-COM RF Coaxial Right Angle PCB Jack, Solder 50 ohm SMA-COM RF coaxial right angle PCB mount jack receptacle with solder legs. This 50 ohm SMA-COM RF coaxial right angle PCB mount jack has a gold over nickel plated brass body, a gold plated centre contact and a PTFE dielectric. Ä 90°PCB jack Approvals - Radiall SMA Commercial SMA crimp termination types for use with a variety of flexible and semi-rigid cables Cable plugs in captive contact form for mechanical reliability in adverse conditions, or non-captive form for optimum electrical performance Bulkhead and panel types have captive contacts Centre contacts require soldering unless otherwise stated Connectors are available in gold plated and white bronze plated brass End terminations and attenuators are in nickel plated brass Connectors Cable RG402/405 Flexible cables Impedance 50Ω Frequency range DC to 18 GHz Insulation resistance 5000 MΩ min Contact resistance 2mΩ 3mΩ RG402 RG405 VSWR straight 1.05+0.01f 1.07+0.01f 1.15+0.2f VSWR right angle 1.10+0.01f 1.10+0.01f 1.15+0.03f Dielectric withstands voltage 1000Vrms 750Vrms 750Vrms Materials Housing Brass Centre contact Female BeCu, Male brass Insulators PTFE Gaskets Silicone rubber Plating Housing solder/pcb Gold Housing crimp/panel White bronze Centre contact Gold Operating temperature -65°C to +165°C          -65 to +105°C -65ºC to +105ºC End Terminations Frequency range d.c. to 2.5GHz d.c. to 18GHz d.c. to 26.5GHz Impedance 50Ω 50Ω 50Ω d.c. resistance 50Ω ±5% 50Ω ±5% 50Ω ±5% Average power 1W at 25°C 1W at 25°C 2W at 25°C VSWR max. 1.08, d.c. to 1GHz 1.08, d.c. to 4GHz 1.05, d.c. to 4GHz 1.20, 1 to 2.5GHz 1.12, 4 to 8GHz 1.10, 4 to 12.4GHz 1.16, 8 to 12.4GHz 1.20, 12.4 to 18GHz 1.20, 12.4 to 18GHz 1.30, 18 t...
New items
R124174120W, Radiall

R124174120W, Radiall

90° Plug Crimp White Bronze body plating 90°plug Approvals - Radiall SMA Commercial SMA crimp termination types for use with a variety of flexible and semi-rigid cables Cable plugs in captive contact form for mechanical reliability in adverse conditions, or non-captive form for optimum electrical performance Bulkhead and panel types have captive contacts Centre contacts require soldering unless otherwise stated Connectors are available in gold plated and white bronze plated brass End terminations and attenuators are in nickel plated brass Connectors Cable RG402/405 Flexible cables Impedance 50Ω Frequency range DC to 18 GHz Insulation resistance 5000 MΩ min Contact resistance 2mΩ 3mΩ RG402 RG405 VSWR straight 1.05+0.01f 1.07+0.01f 1.15+0.2f VSWR right angle 1.10+0.01f 1.10+0.01f 1.15+0.03f Dielectric withstands voltage 1000Vrms 750Vrms 750Vrms Materials Housing Brass Centre contact Female BeCu, Male brass Insulators PTFE Gaskets Silicone rubber Plating Housing solder/pcb Gold Housing crimp/panel White bronze Centre contact Gold Operating temperature -65°C to +165°C          -65 to +105°C -65ºC to +105ºC End Terminations Frequency range d.c. to 2.5GHz d.c. to 18GHz d.c. to 26.5GHz Impedance 50Ω 50Ω 50Ω d.c. resistance 50Ω ±5% 50Ω ±5% 50Ω ±5% Average power 1W at 25°C 1W at 25°C 2W at 25°C VSWR max. 1.08, d.c. to 1GHz 1.08, d.c. to 4GHz 1.05, d.c. to 4GHz 1.20, 1 to 2.5GHz 1.12, 4 to 8GHz 1.10, 4 to 12.4GHz 1.16, 8 to 12.4GHz 1.20, 12.4 to 18GHz 1.20, 12.4 to 18GHz 1.30, 18 to 26.5GHz Operating temp. -55 to +125°C Attenuators Frequency range d.c. to 3GHz d.c. to 18GHz d.c. to 26.5GHz Impedance 50Ω 50Ω 50Ω Av. power at 25°C 1W 2W 2W VSWR 1.2:1 to 1.3:1 1.15:1 to 1.35:1 1.15:1 to 1.5:1 ±dB deviation 3dB 0.3 to 0.5 0.3 to 0.8 ...
New items
85_SMA-50-0-103/111_NE, Huber+Suhner

85_SMA-50-0-103/111_NE, Huber+Suhner

The Huber & Suhner female right angle PCB jack is coaxial connector. It is made from lead free material. RoHS full compliant without exemption 6C Excellent return loss Applicable in frequencies up to 18 GHz
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