KAELEN MICROWAVE

KL-750A

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

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Frequency
DC–18 GHz
Series
KL-A · Flexible, low-loss, phase-stable
Outer diameter
7.4 mm
Attenuation @ 1 GHz
16.7 dB/100 m
Operating temperature
–55°C ~ +165°C

Structure & Materials

ElementDimension (mm)Material
Center Conductor2.10Silver-Plated Copper
Dielectric5.70Low-Density PTFE
Inner Shield5.95Silver-Plated Copper Tape
Outer Shield6.60Silver-Plated Copper Braid
Outer Jacket7.40Gray PFA (Custom Colors Available)

Electrical Properties

ParameterValue
Operating FrequencyDC – 18 GHz
Cutoff Frequency20 GHz
Characteristic Impedance50 Ω
Velocity of Propagation83%
Shielding Effectiveness> 90 dB
Dielectric Withstanding Voltage2500 V DC

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

Frequency (MHz)Attenuation (dB/100m)Avg. Power (kW)
100016.71.979
200023.71.396
300029.11.137
600041.40.801
800047.90.692
1000053.70.618
1240059.90.553
1600068.20.486
1800072.50.457

Mechanical & Environmental

ParameterValue
Static Bend Radius37 mm
Dynamic Bend Radius74 mm
Weight0.116 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-750A.