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HUBER+SUHNER Semi-Rigid Cryogenic Cables

HUBER+SUHNER Semi-Rigid Cryogenic Cables feature straight, bent, and assembled cable options for low heat transfer and low signal loss. HUBER+SUHNER Semi-Rigid Cryogenic Cables are available in copper-nickel, copper-beryllium, stainless steel, and niobium-titanium options for thermal anchoring at 4K, 1K, and 100mK temperatures. The cables are designed for quantum processing, cryogenic research, and cryostat refrigeration applications. 

Features

  • Low heat transfer
  • Low signal loss
  • Straight, bent, and assembled formats

Applications

  • Quantum processors
  • Ultra-cold cooling systems
  • Cryogenic research 
  • Physics, astrophysics, and materials science
  • Cryostat and dilution refrigeration
  • Superconducting-qubit systems
  • Mixing chambers
  • Ultra-low-temperature connectivity
  • Technical institutes and universities

Specifications

  • 50Ω impedance
  • 40GHz maximum operating frequency
  • 0.86mm cable diameter
  • 300mm and 450mm bent cable lengths
  • 1m and 2m straight cable lengths
  • Ø0.86mm semi-rigid cables
  • 3.2mm and 8mm minimum bend radii
  • 4K, 1K, and 100mK thermal anchoring
  • Copper-nickel (CuNi) materials
    • 70x10-6Wcm/K heat transfer at 4K
    • 9.58dB/m signal loss (25°C, 10GHz)
    • 6.5dB/m signal loss (4K, 10GHz)
    • 7.95Ω/m center-conductor DC resistance at 25°C
    • 1.24Ω/m outer-conductor DC resistance at 25°C
  • Copper-beryllium (CuBe) materials
    • 50x10-6Wcm/K heat transfer at 4K
    • 11.5dB/m signal loss (25°C, 10GHz)
    • 10.5dB/m signal loss (4K, 10GHz)
    • 2.8Ω/m center-conductor DC resistance at 25°C
    • 0.3Ω/m outer-conductor DC resistance at 25°C
  • Stainless steel materials
    • 67x10-6Wcm/K heat transfer at 4K
    • 12.59dB/m signal loss (25°C, 10GHz)
    • 9.9dB/m signal loss (4K, 10GHz)
    • 13.06Ω/m center-conductor DC resistance at 25°C
    • 3.14Ω/m outer-conductor DC resistance at 25°C
  • Niobium-titanium (NbTi) materials
    • 4.6x10-6Wcm/K heat transfer at 4K
    • 29.94dB/m signal loss (25°C, 10GHz)
    • <0.5dB/m signal loss (4K, 10GHz)
    • 21.9Ω/m center-conductor DC resistance at 25°C
    • 2.8Ω/m outer-conductor DC resistance at 25°C
    • <9K superconducting capability

Cable Performance

Chart - HUBER+SUHNER Semi-Rigid Cryogenic Cables
Published: 2026-11-04 | Updated: 2026-11-09