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Bestsellers
01.Coaxial Cable, BNC to 10-32 (Microdot compatible), RG174, 6 foot, 50 ohm
02.Coaxial Cable, SMB 90 degree (right angle) plug (female contact) to SMB 90 degree (right angle) plug (female contact), RG174, 3 foot, 50 ohm
03.Connector, BNC (for RG174, RG178, RG188, RG196, RG316)
04.Coaxial Cable, BNC to 10-32 (Microdot compatible), RG174, 5 foot, 50 ohm
05.Coaxial Cable, BNC to SMB 90 degree (right angle) plug (female contact), RG174, 3 foot, 50 ohm
06.Coaxial Cable, BNC to 10-32 (Microdot compatible), RG174, 10 foot, 50 ohm
07.Coaxial Cable, BNC to L00 (Lemo 00 compatible), RG174 dual, 6 foot, 50 ohm
08.Coaxial Cable, BNC to L00 (Lemo 00 compatible), RG174, 6 foot, 50 ohm
09.Coaxial Cable, SMA to SMA, RG174, 1 foot, 50 ohm
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Coaxial Cable, BNC to SMB plug (female contact), RG174 low noise, 20 foot, 50 ohm
[BSB-174LN-20]
Other lengths for this cable
Other connector and cable combinations		 $76.45
Available for order

BSB-174LN-20 is a RG174 low noise 20 foot 50 ohm (6.1 meter) coax cable assembly with a BNC connector on one end and a SMB plug (female contact) connector on the other end.

About 50 ohm cable assemblies

This cable assembly has a characteristic impedance of 50 ohms. 50 ohm coax cable, connectors, and adapters are commonly used in GPS and wifi (802.11 wireless LAN) antennas, ham transceivers, and other radio frequency (RF) analog and digital signaling, microwave, radar, hi-fidelity professional audio, non-destructive testing (NDT), oil and petroleum production, ultrasonic transducers, accelerometers, strain gauges, and some professional video applications.

About Low Noise Cable

This is a "low noise" cable, with a carbon-impregnated conductive PVC layer added around the polyethylene dielectric; this layer helps to increase shielding, dissipate static charge, and reduce mechanically-generated electrical noise as the cable is flexed. This extra protection is useful for long cable runs, low-voltage signals, high-vibration environments, in applications including aerospace, automotive, NDT, strain gauges and accelerometers, and extremely high fidelity professional audio production.

Low noise cable is generally not recommended for RF use. In our own testing, we see characteristics which differ from ordinary cable, including phase delay and impedance variations with frequency. In the field, we've seen mixed results in the GHz range; low noise cables seem to provide the best results at signal frequencies in the low MHz or lower. Ultrasonic NDT, for example, uses low-noise cable with signals as high as 100 MHz, but in transient pulse trains, where phase delay is less critical. The results you get will depend on the application, and as always you will want to do your own testing before ordering large quantities.

RG174 low noise Specifications

The following are nominal values; if you have exact requirements that need to be met for a given application, please contact us.

Impedance50 ohms
Inner Conductor Diameter0.48 mm
Dielectric Diameter1.4 mm
Capacitance124.6 pF/meter (38.0 pF/foot)
Minimum Operating Temperature-40 C (-40.0 F)
Maximum Operating Temperature60 C (140.0 F)
Jacket Diameter2.57 mm
Jacket MaterialPVC
Velocity Ratio62%
Corestranded
RelatedRG-174 RG174A/U RG-174A/U

We hi-pot test our cable assemblies for high-voltage breakdown between core and braid. See About Hi-Pot Testing for why this might matter to you, particularly for physics or NDT applications. Caution: We make no claims as to the safety of this product for high-voltage use. These voltages can kill. Do not handle or approach any cable or conductor carrying high voltage; this includes insulated cables, nearby metal parts, water, and other conductive materials. Engineering and design for safety in your application are your responsibility.

Customization and Ordering

  • We make our own cable assemblies. If you need a connector type that you don't see here, or if you have custom requirements, feel free to contact us.
  • RoHS compliance available upon request.
  • If you need a quantity discount quote, please contact us. We're always happy to work with distributors.

All prices are subject to change without notice.

Actual product color, plating, and other details may differ from photo images depending on upstream component availability.

All images and text on this web site are copyright CD International Technology; all rights reserved.

All trademarks and registered trademarks are the property of their respective owners. LEMO is a registered trademark of LEMO USA. Microdot is a trademark of Tyco Electronics.

This product was added to our catalog on Thursday 24 April, 2008.
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Coaxial Cable, BNC to 10-32 (Microdot compatible), RG174 low noise, 6 foot, 50 ohm
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