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TRIAX Triaxial Feedthrough

Triaxial structure design with 50 Ω impedance matching reduces signal interference and improves signal integrity. Features double-ended triaxial connectors with grounded shielding. Rated at 500 VDC max, 5 A. Operates from -200°C to 300°C under UHV (<1×10⁻¹⁰ mbar). Housing is made of low-magnetic stainless steel (relative permeability μ < 1.1), with gold-plated pins and shield. A CF16 flange accommodates 1 feedthrough, while a CF40 flange accommodates up to 4 feedthroughs. Custom flange-feedthrough combinations and weldable versions are available. Optional vacuum-side and air-side connectors and cables are also available.

Features

 · Triaxial structure design with 50 Ω impedance matching for reduced signal interference and improved signal integrity.

 · Double-ended with the same connectors on both ends.

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

 · Optional connectors and cables available for both ends.

 · Custom flange and feedthrough configurations available upon request.

Parameters

Specification

Shielding Type

Grounded Shielding

Interface Type

Dual-ended Triaxial Connector

Maximum Voltage

500 V DC

Maximum Current

5 A

Temperature Range

-200 °C ~ 300 °C

Ultimate Vacuum

< 1×10⁻¹⁰ mbar

Leak Rate

< 1×10⁻¹² Pa·m³/s (He)

Housing Material

Low-magnetic SS (μ < 1.1)

Pin & Shield Material

Gold-plated (outer layer)

Dimensions

TRIAX Triaxial Feedthrough

CF Flange Selection Table

Flange

Number of Feedthroughs

Model

CF16

1

MT140-TRIAX-C16

CF40

1

MT140-TRIAX-C40

CF40

2

MT140-TRIAX-C40-2

CF40

3

MT140-TRIAX-C40-3

CF40

4

MT140-TRIAX-C40-4


KF Flange Selection Table

Flange

Number of Feedthroughs

Model

KF16

1

MT140-TRIAX-K16

KF40

1

MT140-TRIAX-K40

KF40

2

MT140-TRIAX-K40-2

KF40

3

MT140-TRIAX-K40-3

KF40

4

MT140-TRIAX-K40-4

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


Weldable Version Selection Table

Number of Feedthroughs

Model

1

MT140-TRIAX-WV


Related Accessories

Accessory

Model

Connector

MT145-CON-TRIAX-HQ

Vacuum Cable

MT164-PEEK50-TRIAX-VAC for UHV (50 Ohm)
MT164-PTFE-TRIAX-VAC

Vacuum Side Connector + Cable

MT145-TRIAX-MX-PK-500-VAC

Air Side Connector + Cable

MT145-TRIAX-MX-500-AIR


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