HomeSubminiature-CISO KF / LF Feedthroughs

Subminiature-C ISO Feedthroughs

Subminiature-C (Sub-C) NW ISO KF / LF Feedthroughs, Drawing

ISO KF Flange with Sub C Feedthrough

Subminiature-C Feedthrough on ISO Flanges

Subminiature-C (Sub-C) multipin hermetic feedthroughs are designed for applications where space is limited inside your vacuum chamber.

This compact and unique 9-pin design allows installation into an ISO NW 16 KF flange or two feedthroughs on an ISO NW 40 KF flange.  Nine 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-pin interface
  • High temperature rated to 150ºC (based on O-ring type)
  • HV compatible construction
  • NW ISO KF LF 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 1x10-8 Torr

Sub-C ISO Feedthrough Flange "Kit" Features

  • All of the above features (Feedthrough Flange)
  • In Vacuum cable assembly:
    • PEEK Sub-C connector to Kapton insulated cable assembly, 19-inches long.
  • Air Side cable assembly:
    • Delrine Sub C connector to cable assembly, 96-inches long. 

All feedthroughs listed on this page are mounted on ISO KF Flanges that incorporate the industry standard "Hinged Clamp" sealing principle, making it easy to mount to your existing ISO KF Flange ports.