High-Performance Cryogenic Interconnects

CryoCoax, a division of Intelliconnect, designs and manufactures high-performance RF interconnect solutions specifically for cryogenic and quantum computing applications. Operating at ultra-low temperatures, our products are engineered for precision, minimal thermal load, and absolute reliability in demanding environments.

Trusted by Global Leaders in Quantum Research

CryoCoax components are used by some of the world’s leading quantum computing institutions, space agencies, and research centres. From dilution refrigerators to quantum processors, our products enable accurate signal transmission with minimal thermal disturbance.

Cryogenic Products We Offer:

Cryogenic Cable and Cable Assemblies

A wide selection of cable types and configurations to suit your cryogenic setup, including:

  • .034, .047, .085 sizes
  • NbTi, SS, CuNi, BeCu options
  • Low-loss and non-magnetic variants
  • Precision-terminated with SMA, 2.92mm, SMP and SMPM interfaces

Cryogenic Connectors and Adaptors

Engineered for ultra-low temperatures with options for:

  • Solderless terminations
  • Non-magnetic variants
  • SMA, 2.92mm, SMP, SMPM interfaces
  • Sealed and hermetic designs

Flexible Cryogenic Solutions

As the exclusive UK and US distributor for Delft Circuits, CryoCoax offers the innovative Cri/oFlex® range—flexible cryogenic cables that combine high-density performance with durability and ease of integration.

  • Cri/oFlex® 1, 2 and 3 solutions
  • Single and multi-channel designs
  • Reduced thermal load and compact form factor

High-Density Connectors

Designed for next-generation quantum processors requiring high line counts in compact spaces:

  • SMPM-based multiway connectors
  • Up to 120 coax lines on standard ISO plates
  • Designed for use in dilution refrigerators

Why CryoCoax?

  • Precision-engineered for sub-20mK environments
  • Extensive product range with rapid customisation
  • Designed in the UK, shipped globally
  • Supporting the world’s most advanced research

Ready to Discuss Your Requirements?

Our cryogenics team is here to support your next breakthrough.