KAELEN MICROWAVE

KL-220A

Low-Loss Phase-Stable Coaxial Cable — Low-Loss, Phase-Stable Coaxial Cable — Flexible Construction

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Frequency
DC–40 GHz
Series
KL-A · Flexible, low-loss, phase-stable
Outer diameter
2.2 mm
Attenuation @ 1 GHz
63.7 dB/100 m
Operating temperature
–55°C ~ +125°C

Structure & Materials

ElementDimension (mm)Material
Center Conductor0.50Silver-Plated Copper
Dielectric1.38Low-Density PTFE
Inner Shield1.54Silver-Plated Copper Tape
Outer Shield1.95Silver-Plated Copper Braid
Outer Jacket2.20Gray PFA (Custom Colors Available)

Electrical Properties

ParameterValue
Operating FrequencyDC – 40 GHz
Cutoff Frequency83 GHz
Characteristic Impedance50 Ω
Velocity of Propagation81%
Shielding Effectiveness> 90 dB
Dielectric Withstanding Voltage1000 V DC

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

Frequency (MHz)Attenuation (dB/100m)Avg. Power (kW)
100063.700.110
200090.800.077
3000111.880.063
6000160.370.044
8000186.490.038
10000209.790.033
12400235.160.030
18000287.060.024
26500354.000.020
40000444.010.016

Mechanical & Environmental

ParameterValue
Static Bend Radius11 mm
Dynamic Bend Radius22 mm
Weight0.016 kg/m
Operating Temperature–55°C ~ +125°C

Features & benefits

  • Phase-stable across temperature (<750 ppm, –55°C to +85°C)
  • Low insertion loss
  • High power handling
  • Low PIM (−155 dBc)
  • Lightweight construction

Typical applications

  • Phased-array radar
  • Airborne electronics
  • Electronic warfare (EW)
  • Any application demanding tight loss and phase tolerance

Related parts

Need this cable terminated? Request a custom assembly using KL-220A.