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BNC Feedthroughs - Baseplate, Single-Ended

These instrumentation feedthroughs have BNC coaxial connectors on the air-side. The connector-plug pair's impedance is (unmatched) 48-52 ohms. Air-side cable plugs are included with the feedthrough but vacuum-side connectors are not. These feedthroughs are designed to be O-ring sealed in a 1.0" clearance hole in a baseplate and operate in high vacuum conditions.

Specifications Table

Cable 141/U, 142/U, 400/U,RG-58/U
Vacuum Application HV
Elastomer Seals Temperature Range
(KF, O-Ring, NPT)		 -25°C to 205°C
Temperature Max. Ramp Rate 25°C/minute
Cable Connectors Temperature Range -65°C to 165°C
Floating Shields Max. Voltage
(Ground)		 2,500V DC
Floating Shields Max. Voltage
(Pin)		 500V DC
Grounded Shields Max. Voltage 500V DC

Cabling Instructions
Follow the link below to view the BNC Feedthrough cabling diagrams & instructions.
Contact Us
To speak with someone directly, please call +1 412 387 9200 or email international@lesker.com.
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
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 email international@lesker.com or call +1 412 387 9200 with your inquiry.