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BNC/BNCD Coaxial Feedthrough

General-purpose coaxial feedthrough for applications where impedance control or high voltage is not required. Available in single-ended BNC or double-ended BNCD configurations. CF16 flanges support 1 unit; CF40 flanges accommodate up to 4 units. Custom flanges and weldable versions are available. Features grounded shielding with non-fixed impedance matching. Single-ended BNC uses a 2.4 mm conductor, while BNCD uses BNC connectors at both ends. Rated at 500 VDC max, 3 A. Operates from -200°C to 450°C under UHV (<1×10⁻¹⁰ mbar). Optional dual-end connectors and cables are available.

Features

 · General-purpose coaxial feedthrough for applications not requiring impedance control or high voltage.

 · Available in single-ended BNC or double-ended BNCD configurations.

 · One unit fits on a CF16 flange; up to 4 units on a CF40 flange.

 · Multiple feedthroughs can be welded onto larger flanges.

 · Optional connectors and cables available for both ends.

 · Custom flange and feedthrough configurations available upon request.

Parameters

Specification

Shielding Type

Grounded Shielding

Impedance Matching

Non-fixed

Conductor Diameter

Single-ended: 2.4 mm
Double-ended: BNC connector

Maximum Voltage

500V DC

Maximum Current

3A

Temperature Range

-200°C ~ 450°C

Ultimate Vacuum

<1×10⁻¹⁰ mbar

Leak Rate

<1×10⁻¹² Pa·m³/s (He)

Dimensions

BNC/BNCD同轴馈通

CF Flange Selection Table

FlangeNumber of Feedthroughs
Single-ended
 BNC Feedthrough
Double-ended
 BNCD Feedthrough
CF161MT140-BNC-C16MT140-BNCD-C16
CF401MT140-BNC-C40MT140-BNCD-C40
CF402MT140-BNC-C40-2MT140-BNCD-C40-2
CF403MT140-BNC-C40-3/
CF404MT140-BNC-C40-4/


KF Flange Selection Table

FlangeNumber of Feedthroughs
Single-ended
 BNC Feedthrough
Double-ended 
BNCD Feedthrough
KF161MT140-BNC-K16MT140-BNCD-K16
KF401MT140-BNC-K40MT140-BNCD-K40
KF402MT140-BNC-K40-2MT140-BNCD-K40-2
KF403MT140-BNC-K40-3/
KF404MT140-BNC-K40-4/

Note: For other flange and feedthrough combinations, please contact us.


Weldable Version Selection Table

Number of FeedthroughsSingle-ended BNC FeedthroughDouble-ended BNCD Feedthrough
1MT140-BNC-WVMT140-BNCD-WV

Related Accessories

Type

BNC Coaxial Feedthrough

BNCD 

Coaxial Feedthrough

Vacuum-side ConnectorMT160-PPOC-2.4
MT160-CRFC-2.4
MT145-CON-SBNC-VAC
MT145-CON-BNC-VAC
Vacuum CableMT165-PTFE50 Coaxial Cable
MT165-KAP50 Coaxial Cable
MT165-KAPM Series
Vacuum-side Connector + CableMT145-SBNC-FX-PTFE50-500-VACMT145-BNC-MX-PTFE50-500-VAC
Air ConnectorMT145-CON-BNC-AIR
Air-side Connector + CableMT145-BNC-MX-500-AIR


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