✅ Key Specifications & Features
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Description: Instrumentation feedthrough, double-ended BNC style connector, floating shield, recessed conductor(s).
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Number of conductors: 1
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Conductor material: Stainless steel, diameter 0.094 in (2.4 mm)
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Voltage rating: 500 V DC
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Current rating: 3 A per pin
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Shield: Floating (i.e., shield is not grounded)
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Impedance: Non-constant (i.e., not matched impedance)
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Insulator material: Alumina (aluminum oxide)
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Temperature rating: −200 °C to +450 °C
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Flange / mounting: DN35CF-DN40CF (≈ 2.75″ OD flange)
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Termination: Both atmosphere side and vacuum side are BNC connectors.
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Application: UHV (ultra-high vacuum) compatible feedthrough.



