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Cryogenic Cable Options

MicroFlex Coax Cable

Flexible Superconducting Niobium-Titanium Coax  (Patent Pending)

Niobium-titanium coax cable offers the ultimate solution for maintaining signal integrity while minimizing heat loads at low temperatures. When cooled below its superconducting transition temperature of 9.2K, the NbTi center conductor provides a zero resistance wire for signal transmission while the superconducting outer conductor utilizes the Meissner effect to protect the transmitted signal from interference. We offer this cable turnkey with soldered connector terminations (unlike commonly used crimp-style connectors) which provides a robust low-loss connection at the connector-cable junction.

Niobium-Titanium Cable Properties

Cable Outer Diameter: 0.047"

Characteristic Impedance: 50Ω

Center conductor material: NbTi

Outer conductor material: NbTi braid

Dielectric material: PTFE

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Flexible Phosphor Bronze Coax

Phosphor Bronze coax cable offers favorable attenuation characteristics while minimizing heat loads due to its low thermal conductivity at cryogenic temperatures. Phosphor bronze is also non-magnetic. We offer this cable turnkey with soldered connector terminations.

Phosphor Bronze Cable Properties

Cable Outer Diameter: 0.047"

Characteristic Impedance: 50Ω

Center conductor material: Phosphor bronze

Outer conductor material: Phosphor bronze braid

Dielectric material: PTFE

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Flexible Stainless Steel Coax

Stainless steel coax cable offers a low thermal conductivity solution that is useful for minimizing heat loads across large temperature gradients. It is slightly magnetic.

Stainless Steel Cable Properties

Cable Outer Diameter: 0.047"

Characteristic Impedance: 50Ω

Center conductor material: 304 Stainless steel

Outer conductor material: 304 Stainless steel braid

Dielectric material: PTFE

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Connector Options

- SMA

- SMP

- SMPM

- SSMA

- 2.92mm

- MMCX

- Non-magnetic connector options

- All soldered connections

Questions or need something custom?

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Quantum Coax LLC

www.quantumcoax.com

Bozeman, MT

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© 2023 Quantum Coax

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