Serving OEMs with connectors, wire & cable assemblies since 1978

Flexible Coaxial Cables

Alpha Products, Inc - Wire & Cable Division / 351 Irving Drive, Oxnard, CA 93030, USA
Tel: 805-981-8666 / Fax 805-988-6555 /
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RG-178B/U

Specification:

MIL-C-17/93

Continuous working voltage:

750V rms max

Operating temperature range:

-55C ~ +200C

Construction

Item

Material

Diameter

Remark

Center conductor

SPCW

0.31mm (0.012")

Strand 7/0.102

Dielectric

PTFE (Solid)

0.84mm (0.033")

Outer shield

SPC (Braid)

1.33mm (0.052")

95% Coverage

Jacket

FEP

1.8mm (0.071")

Light brown color

Electrical Data

Item

Specification

Remark

Operating frequency

3 GHz max

Conductor resistance

24.45 Ohm/100ft max

at 20C

Dielectric resistance

1000 MOhm/km min

at 20C

Test voltage

2000 V rms

1 min

Velocity of propagation

69.5% nom

Capacitance

32 pF/ft max

Characteristic impedance

50 2 Ohm

Approx. weight

8.4 kg/km

Nom. attenuation

9.7 dB/100ft (0.32 dB/m)

at 50 MHz

14.0 dB/100ft (0.46 dB/m)

at 100 MHz

20.2 dB/100ft (0.66 dB/m)

at 200 MHz

29.6 dB/100ft (0.97 dB/m)

at 400 MHz

33.6 dB/100ft (1.10 dB/m)

at 500 MHz

37.2 dB/100ft (1.22 dB/m)

at 600 MHz

43.9 dB/100ft (1.44 dB/m)

at 800 MHz

47.0 dB/100ft (1.64 dB/m)

at 900 MHz

50.0 dB/100ft (1.64 dB/m)

at 1 GHz


  

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