KAELEN MICROWAVE

KL-500A

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

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Frequency
DC–26.5 GHz
Series
KL-A · Flexible, low-loss, phase-stable
Outer diameter
5.2 mm
Attenuation @ 1 GHz
23.4 dB/100 m
Operating temperature
–55°C ~ +165°C

Structure & Materials

ElementDimension (mm)Material
Center Conductor1.45Silver-Plated Copper
Dielectric3.99Low-Density PTFE
Inner Shield4.19Silver-Plated Copper Tape
Outer Shield4.60Silver-Plated Copper Braid
Outer Jacket5.20Gray PFA (Custom Colors Available)

Electrical Properties

ParameterValue
Operating FrequencyDC – 26.5 GHz
Cutoff Frequency29 GHz
Characteristic Impedance50 Ω
Velocity of Propagation83%
Shielding Effectiveness> 90 dB
Dielectric Withstanding Voltage1500 V DC

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

Frequency (MHz)Attenuation (dB/100m)Avg. Power (kW)
100023.41.128
200033.30.793
300041.00.645
600058.50.451
800067.90.389
1000076.30.346
1240085.40.309
18000103.80.254
26500127.50.207

Mechanical & Environmental

ParameterValue
Static Bend Radius26 mm
Dynamic Bend Radius52 mm
Weight0.060 kg/m
Operating Temperature–55°C ~ +165°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-500A.