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SDY-50-80 Air Dielectric Coaxial Cable (3-1/8")

3-1/8 inch extra-large air dielectric cable for broadcast and ultra-high-power applications.

Impedance50 ± 2 Ω
Outer diameter91 mm
Max. frequency1.66 GHz
3-1/8" 50Ω 50Ω Air Dielectric Corrugated Copper Tube Coaxial Cable

Custom lengths, connectors and pre-assembled jumpers are available. Send us your specification for a quotation.

Technical data

Technical parameters

Source: 2026 Technical Selection Manual

Structure

Electrical

Characteristic impedance50 ± 2 Ω
Nominal capacitance70 ~ 72 pF/m

Mechanical & environment

Attenuation & power

0112215090018003000

Attenuation in dB/100 m at 20 °C, nominal values (±5%).

MHzdB/100mMHzdB/100m
1000.420001.78
4000.825001.99
9001.230002.18
15001.54

Product description

3-1/8 inch extra-large air dielectric cable for broadcast and ultra-high-power applications.

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