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MHV/MHVD Coaxial Feedthrough

A variant of BNC coaxial feedthrough with embedded pins for increased voltage rating. Features grounded shielding with non-fixed impedance matching. Available in single-ended MHV or double-ended MHVD configurations. Single-ended version uses a 2.4 mm conductor; double-ended version uses MHV interface. Rated at 5 kV max, 3 A. Operates from -200°C to 450°C under UHV (<1×10⁻¹⁰ mbar). CF16 flanges support 1 unit; CF40 flanges accommodate up to 4 single-ended units. Custom flange-feedthrough combinations and weldable versions available. Optional dual-end connectors and cables available.

Features

 · Variant of BNC feedthrough with embedded pins, increasing rated voltage to 5 kV.

 · Grounded shielding with non-fixed impedance matching.

 · Available in single-ended MHV or double-ended MHVD 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 pin
Double-ended: MHV Interface

Maximum Voltage

5000 V DC

Maximum Current

3 A

Temperature Range

-200 °C ~ 450 °C

Ultimate Vacuum

< 1×10⁻¹⁰ mbar

Leak Rate

< 1×10⁻¹² Pa·m³/s (He)

Dimensions

MHV/MHVD

CF Flange Selection Table

FlangeNumber of FeedthroughsSingle-ended MHV ModelDouble-ended MHVD Model
CF161MT140-MHV-C16MT140-MHVD-C16
CF401MT140-MHV-C40MT140-MHVD-C40
CF402MT140-MHV-C40-2MT140-MHVD-C40-2
CF403MT140-MHV-C40-3/
CF404MT140-MHV-C40-4/

KF Flange Selection Table

FlangeNumber of FeedthroughsSingle-ended MHV ModelDouble-ended MHVD Model
KF161MT140-MHV-K16MT140-MHVD-K16
KF401MT140-MHV-K40MT140-MHVD-K40
KF402MT140-MHV-K40-2MT140-MHVD-K40-2
KF403MT140-MHV-K40-3/
KF404MT140-MHV-K40-4/

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


Weldable Version Selection Table

Number of FeedthroughsSingle-ended MHV ModelDouble-ended MHVD Model
1MT140-MHV-WVMT140-MHVD-WV

Related Accessories

AccessoryMHV Coaxial FeedthroughMHVD Coaxial Feedthrough
Vacuum Side ConnectorMT160-PPOC-2.4
MT160-CRFC-2.4
MT145-CON-SMHV-VAC
MT145-CON-MHV-VAC
Vacuum CableMT165-PTFE50 coaxial cable
MT165-KAP50 coaxial cable
MT165-KAPM series
Vacuum Side Connector + CableMT145-SMHV-FX-PTFE50-500-VACMT145-MHV-MX-PTFE50-500-VAC
Air Side ConnectorMT145-CON-MHV-AIR
Air Side Connector + CableMT145-MHV-MX-500-AIR


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