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0457-2013

What is the bending radius of a coaxial cable?

Respuesta: 

EXPERT OPINION

All coaxial cable have a limit in their bendingradius at a given value; beyond thisvalue the cable no longer will maintain its electrical properties.
Furthermore, apart from the variation of impedance, an excessive bending beyond the minimum bend radius can lead to break of shielding foil. This breakage leaves the coaxial cable exposed to the ingress of interfering signals.
For cable runs where it might be forced to bending radius less 

 

 

than its minimum value, the use of right angled connectors is the best solution. The image below shows how a connector easyF preserves the integrity of the cable compared with a straight F connector.
There is no specific rules to establish the minimum bending radius.

 

Manufacturers and operators establish their own criteria. In practice and as a general rule, it is not recommended bending radius less than five times the cable diameter, as shown in the figure 

Javier Esteban  
Technical Asssitance Manager

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