Push-Pull Type Vacuum Feedthrough

Push-Pull Type Vacuum Feedthrough – 0B4
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Push-Pull Type Vacuum Feedthrough – 0B4

Compact design for multi-signal transmission in tight spaces. Features 0.7 mm Kovar alloy pins with glass-ceramic sealing. Rated at 400 VDC max, 3 A per pin. Operates from -40°C to 180°C under UHV (<1×10⁻¹⁰ mbar). Minimum compatible flange: CF16; up to 7 units on CF40, more on larger flanges. Custom flange-feedthrough combinations and weldable versions available. Optional dual-end connectors and vacuum cables.

Features

· Compact design for multi-signal transmission in extremely tight spaces.

· One unit fits on a CF16 flange; up to 7 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
Pin Diameter	0.7 mm
Pin Material	Kovar Alloy
Sealing Material	Glass - Ceramic
Maximum Voltage	400 V DC
Rated Current	3 A 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	MT111-0B4-C16
CF40	1	MT111-0B4-C40
CF40	2	MT111-0B4-C40-2
CF40	7	MT111-0B4-C40-7

KF Flange Selection Table
Flange	Number of Feedthroughs	Model
KF16	1	MT111-0B4-K16
KF40	1	MT111-0B4-K40
KF40	7	MT111-0B4-K40-7
Note: For other flange and feedthrough combinations, please contact us.

Weldable Version Selection Table
Number of Feedthroughs	Model
1	MT111-0B4-WV

Related Components
Vacuum-side Connector + Pin	MT111-CON-0B4-PK
Vacuum-side Connector + Pin + Stainless Steel Housing	MT111-CON-0B4-VAC
Vacuum Cable	MT165-KAPM Series
Straight Type Air-side Connector	MT111-CON-0B4-AIR

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