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Subminiature-D CF Feedthrough Flanges

Subminiature-D (Sub-D) CF Feedthroughs / Conflat Flanges

Subminiature-D CF Flange

Subminiature-D CF Feedthroughs

Subminiature-D or Sub-D multi-pin hermetic vacuum feedthroughs are designed for applications where space is limited inside your vacuum chamber and where many feedthrough penetrations are required.

The compact and unique 9, 15, 25, and 50-pin subminiature-D CF feedthrough design allows installation into many CF flange sizes and styles.  Gold-plated pins are arranged in a straight-through pin-to-pin design and are hermetically sealed and electrically insulated in a stainless steel shell using the latest in glass-ceramic bonding technology.


  • 9 to 100-pin interface available off-the-shelf
  • Call for custom feedthrough configurations
  • High temperature rated to 250°C (Feedthrough)
  • UHV compatible construction
  • Conflat® compatible mounts
  • Voltage rating: 500 VDC max.
  • 5 AMPs per pin (20% of pins at any given time)
  • Pins: Au plated, Ni-Fe alloy
  • UHV rated 1x10-10 Torr

All feedthroughs listed here are mounted on Conflat CF Flanges that incorporate the industry standard "captured copper gasket" sealing principle, making it easy to mount to your existing CF Flange ports.

Please select a Subminiature-D feedthrough flange from the list above for more details about that item.