KAELEN MICROWAVE

KL-495APreliminary

Low-Loss Coaxial Cable — Low-Loss, Extended-Temperature Coaxial Cable — Flexible Construction

Preliminary data. The figures for this part come from supplier source data and are pending verification on Kaelen production units. Please contact us to confirm values before design-in.

Frequency
DC–18 GHz
Series
KL-A · Flexible, low-loss, phase-stable
Outer diameter
4.95 mm
Attenuation @ 1 GHz
26.9 dB/100 m
Operating temperature
–55°C ~ +200°C

Structure & Materials

ElementDimension (mm)Material
Center Conductor1.3Silver-Plated Copper, Solid
Dielectric3.68Expanded PTFE Tape
Inner Shield3.86Silver-Plated Copper Strip (Flat Braid)
Interlayer4.01Aluminum-Polyester Tape (Metallized Shield)
Outer Shield4.42Silver-Plated Copper Braid (Round Wire)
Outer Jacket4.95FEP (Custom Colors Available)

Electrical Properties

ParameterValue
Operating FrequencyDC – 18 GHz
Characteristic Impedance50 Ω
Velocity of Propagation80%
Shielding Effectiveness> 95 dB

Attenuation (Typical, 25°C)

Frequency (MHz)Attenuation (dB/100m)
40017.1
100026.9
200037.1
300045.9
500059.1
1000082.0
18000118.1

Mechanical & Environmental

ParameterValue
Static Bend Radius25.4 mm
Weight0.0655 kg/m
Operating Temperature–55°C ~ +200°C
Peak Power Rating32.9 kW

Features & benefits

  • Low attenuation — 20–35% below comparable mil-spec cables of similar size
  • Extended operating temperature range (–55°C to +200°C)
  • High shielding effectiveness (> 95 dB)
  • Thermally stable expanded-PTFE dielectric — low phase shift vs. temperature

Typical applications

  • Phased-array & airborne radar
  • Electronic warfare (EW) systems
  • Military communication systems
  • High-temperature RF environments

Related parts

Need this cable terminated? Request a custom assembly using KL-495A.