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SMB Feedthroughs - Weldable, Single-Ended

These instrumentation feedthroughs have SMB coaxial connectors on the air-side. The alumina insulated 416 stainless steel conductor is rated at 375V at a maximum current of 1.4A. An air-side SMB cable plug is included with the feedthrough but vacuum-side connectors are not. Feedthroughs of this type are designed for welding into a suitably prepared through-hole in a flange.

Specifications Table

Cable RG-174/U, 316/U, 188/U
Vacuum Application UHV
Temperature Max. Ramp Rate 25°C/minute
Cable Connectors Temperature Range -65°C to 165°C
Grounded Shields Max. Voltage 375V DC

Cabling Instructions
Follow the link below to view the SMB Feedthrough cabling diagrams & instructions.
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  • special case note
    The electrical and thermal ratings specified are of safe operating limits determined by various factors including material properties, mechanical design, and the intended operating environment. All electrical ratings are based on operation with one side in dry atmosphere and the other side in vacuum of less than 1 x 10-4 Torr. All VacuCAD files as well as any dimensions shown or listed in our ordering tables do not include manufacturing tolerances and are provided for reference only.

Ordering Table

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Feedthrough Selection Guide
Feedthrough Selection Guide
Finding the right feedthrough has never been easier with our step by step Feedthrough Selection Guide. You can narrow down our feedthrough offering by simply choosing from a variety of different options suitable to your requirements. If you can't find the feedthrough you need or want a custom configuration, please contact us by clicking here or call +1 800 245 1656 with your inquiry.
Contact Us - SMB Feedthroughs - Weldable, Single-Ended