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SMA Feedthroughs - KF Flange, Double-Ended

These instrumentation feedthroughs have SMA coaxial connectors (50 Ohm matched impedance) on the air-side and vacuum-side. SMA cable plug is included with the feedthrough but a vacuum-side plug is not. The KF flanges are sealed with centering and O-ring combination (not included) making them high vacuum compatible.

Specifications Table

Cable RG-55/U, 58/U, 400/U, 303/U, 223/U, 142/U, 141/U
Vacuum Application HV
Temperature Max. Ramp Rate 25°C/minute
Cable Connectors Temperature Range -65°C to 165°C
Floating Shields Max. Voltage
(Ground)		 000V DC,1
Grounded Shields Max. Voltage 700V DC

Cabling Instructions
Cabling Instructions
Follow the link below to view the SMA Feedthrough cabling diagrams & instructions.
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Questions? Let's Talk!
Contact your dedicated Lesker sales team today.
+1 800 245 1656
Note:
  • 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

(Click column headers to sort data)

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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.

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Kapton™ Insulated Coaxial Cables
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KF (QF) HV Clamps & Accessories
KF (QF) HV O-Rings & Centering Rings
KF (QF) HV O-Rings & Centering Rings
Contact Us - SMA Feedthroughs - KF Flange, Double-Ended