KAELEN MICROWAVE

KL-020E-DW

Semi-Rigid Coaxial Cable — Cryogenic Semi-Rigid Coaxial Cable — CuNi Construction

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Frequency
DC–18 GHz
Series
KL-E · Cryogenic semi-rigid (CuNi)
Outer diameter
0.58 mm
Attenuation @ 1 GHz
563.4 dB/100 m
Operating temperature
−268°C ~ +150°C

Structure & Materials

ElementDimension (mm)Material
Center Conductor0.127 ± 0.003Silver-Plated Copper-Nickel Alloy
Dielectric0.432 ± 0.03PTFE
Outer Conductor0.580 ± 0.03Copper-Nickel Alloy Tube

Electrical Properties

ParameterValue
Operating FrequencyDC – 18 GHz
Cutoff Frequency240 GHz
Characteristic Impedance50 Ω
Velocity of Propagation70%
Shielding Effectiveness> 165 dB
Dielectric Withstanding Voltage100 V DC

Attenuation & Power Handling (Typical, 25°C / 40°C)

Frequency (MHz)Attenuation (dB/100m)Avg. Power (kW)
1000563.40.064
2000796.70.045
3000975.80.037
60001380.00.026
80001593.50.023
100001781.50.020
124001983.80.018
160002253.50.016
180002390.20.015

Mechanical & Environmental

ParameterValue
Static Bend Radius2.90 mm
Weight0.002 kg/m
Operating Temperature−268°C ~ +150°C

Features & benefits

  • Ultra-low temperature rated
  • Ultra-low loss
  • Ultra-wide bandwidth

Typical applications

  • Quantum computing
  • Quantum communication
  • Deep-space communication

Related parts

Need this cable terminated? Request a custom assembly using KL-020E-DW.