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Special Offer New Technology
Custom Configured Sub-D Flanges Delivered in 3 Weeks- Guaranteed!
Insulator Seal guarantees 3 week delivery of all “custom-configured” Sub D flanges. Services consist of factory mounting of multiple D subminiature feedthroughs into standard flange sizes, (i.e., six 50 pin feedthroughs into an 8 inch conflat flange).

For more information click here

 New Products
Power Type-D 
Power Type-D Feedthrough Using the latest in ceramic-to-metal sealing technology, ISI is able to use BeCU material for the conductors to get a full 40 amp rating for this feedthrough. ISI offers the full line of 3, 5 and 8 pin versions. For more information click here
 Double Density Type-D 

Double Density Type D Feedthrough

ISI’s new ceramic sealed Double Density Sub D feedthroughs conform to MIL-DTL-24308 specifications and improve current capabilities by using gold plated BeCu pins. Up to 44 pin configurations are available. For more information click here
 Micro Type-D
Micro Type-D Feedthrough ISI’s new ceramic sealed Micro Type D feedthroughs meet MIL-DTL-83513 specifications. Current capabilities are improved by using gold plated BeCu pins. Up to 100 pin configurations are available. For more information click here
 
Coming Events
Oct 13-14 ALS Users' Meeting
Berkeley, CA

Oct 19-24 AVS 55th International Symposium & Exhibition
Boston, MA

USB 2.0 Intstrumentaton
ISI again pushes the envelope by offering a hermetic, vacuum compatible 2.0 USB feedthrough. For more information click here
High Voltage, Micro Midgy Feedthrough

A Full 12 kV rating, in a ceramic under an inch in length, is achieved by utilizing ISI’s air-exclusion, air-side connector. Multiple flange configurations are available as standard catalog items, with custom configurations available upon request. For more information click Here

 Special Offer
ISI Offers 10% off ALL Viewports
Veiwport Group

ISI’s hermetically sealed optical Viewports provide a means for visual, optical or broad-band energy transmission in and out of vacuum systems.

Mention this web offer when placing your order and receive a 10% discount on any Viewport in our inventory.

Click here to preview the Viewport product line.

Featured Product Line
Industry's Largest Selection of
Instrumentation Feedthroughs
Insulator Seal provides prompt delivery of UHV-grade electrical feedthroughs for Ceramic-Metal seal applications including instrumentation applications such as Spectroscopy, Electron microscopy, Surface analysis and Semiconductor process controls. For more information click here
Multi-pin Instrumentation Feedthroughs

Multipin
Coaxial
Thermocouple
Power
RF Power
Breaks & Envelopes
Viewports
Liquid
Connectors
Wires & Insulators
Vacuum Hardware