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1.37mm Low-Loss Cable for U.FL Connectors

1.37mm coaxial cable has similar signal loss as RG174 and RG178, but is thinner and more flexible:  It has same size conductor as RG178 cable, but smaller overall diameter.   It's flexibility helps the U.FL cable connectors stay attached, and makes it more suitable than RG174 or RG178 for the tight space of a small case or enclosure.

Physical characteristics of 1.37 coaxial cable

1.37 coaxial cable is a micro coax with diameter of 1.37mm and American Wire gauge of 30. Its structure is typical of coaxial cable with the following components:

●Inner conductor made from silver coated copper with a diameter of 0.32mm.

●A clear fluorinated ethylene propylene (FEP) dielectric of 0.30mm thickness which provides electrical insulation as well as thermal and chemical resistance.

●A single shielding layer of 16/6 braided tinned copper wire with 96.4% coverage.

●A resilient opaque FEP jacket of 0.13mm thickness.

Electrical properties of 1.37 coaxial cable

1.37 coaxial cable has an impedance of 50 Ohms which is critical for its many applications. Other features of its electrical profile are:

●Conductor resistance of 335 Ohms for every kilometer of length.

●VSWR of 1.3 between 0 and 6 GHz

●Capacitance of 95.8pF/M

This cable has a minimum bend radius of 9mm, and performs. optimally at temperatures between -50 and 200 degrees Celsius (-58 and 392 degrees Fahrenheit).

Key applications of 1.37mm coaxial cable

This cable lends itself to a variety of applications particularly wireless networking as it can handle frequencies up to 6 GHZ. It can be used in set-ups for:

●Bluetooth

●Zigbee

●LTE

●WiFi

●GPS

The small form and flexibility of this coax cable lends itself to ultra-minature assemblies such as those of mini PCIs where it can be used for board to board connectivity. 1.37 works with UMCX connectors such as the Hirose UFL connector.

Attenuation dB/ft

900=1.5

2000=2.1

2500 =2.6

3000=2.9

5000=3.9

6000=4.3

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