MS4 Vacuum Feedthrough

MS4 Vacuum Feedthrough
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Industrial-grade threaded feedthrough for vacuum signal transmission. Features 1.6 mm gold-plated NiFe pins with glass-ceramic sealing. Rated at 700 VDC and 10 A per pin. Operates from -40°C to 180°C under UHV (<1×10⁻¹⁰ mbar). Compatible with CF16/40/63 and KF40 flanges (1 unit each). Multiple units on larger flanges or weldable versions available. Optional dual-end connectors and cables. Custom flange configurations supported.

Features

· Threaded connection design for reliable signal transmission in vacuum systems.

· Due to its larger footprint, only one MS feedthrough fits on CF16 or CF63 flanges.

· 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
Pin Standard	MIL-C-5015
Pin Diameter (Ø)	1.6 mm
Pin Material	Gold-plated NiFe Alloy
Sealing Material	Glass-Ceramic
Maximum Voltage	700V DC
Rated Current	10A per pin
Temperature Range	-40°C ~ 180°C
Ultimate Vacuum	<1×10⁻¹⁰ mbar
Leak Rate	<1×10⁻¹² Pa·m³/s (He)

Dimensions

CF Flange Selection Table
Flange	Number of Feedthroughs	Model
CF16	1	MT110-MS4-C16
CF40	1	MT110-MS4-C40
CF63	1	MT110-MS4-C63
Note: The vacuum-side connector of the MS4 feedthrough may interfere with the CF16 neck flange. Consider using the MT110-CON-MS4-PK-SET-V2 as an alternative.

KF Flange Selection Table
Flange	Number of Feedthroughs	Model
KF25	1	MT110-MS4-K25
KF40	1	MT110-MS4-K40
Note: For other flange and feedthrough combinations, please contact us.

Weldable Version Selection Table
Number of Feedthroughs	Model
1	MT110-MS4-WV

Related Components
Vacuum-side Pin	MT160-PCRC-1.6 (Can be used alone)
Vacuum-side Connector	MT110-CON-MS4-PK-SET MT110-CON-MS4-PK-SET-V2 (Small Size)
Vacuum Cable	Kapton Insulated Cable PTFE Insulated Cable FEP Insulated Cable
Air-side Connector	MT110-CON-MS4-AIR

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