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Sub-D Type Feedthrough
Sub-D25 Vacuum Feedthrough
Overview::

Designed for UHV signal transmission. Features 25 gold-plated NiFe pins (1.0 mm) with glass-ceramic sealing. Operates from -40°C to 180°C with an ultimate vacuum of <1×10⁻¹⁰ mbar. Weldable to CF40, CF63, CF100, and other flanges. Custom flange-feedthrough combinations supported. Optional vacuum/air-side accessory kits and KAPM vacuum cables available.

Overview

Features

Ultra-high vacuum (UHV) compatible.

Compliant with electronic industry standard Sub-D dimensions.

 Weldable: 1 unit to CF40 flange; up to 5 units to CF100 flange.

Multiple feedthroughs can be welded to large flanges.

 Optional connectors and cables for both ends.

 Customizable flange-feedthrough combinations available on request. 

Parameters

Pin Standard

DIN 41652, MIL-C-24308

Pin Diameter (Ø)

1.0 mm

Pin Material

Gold-plated NiFe Alloy

Sealing Material

Glass-ceramic

Maximum Voltage

500 V DC

Rated Current (per pin)

3 A

Maximum Current (per pin)

5 A

Temperature Range

-40 °C to 180 °C

Ultimate Vacuum

< 1×10⁻¹⁰ mbar

Leak Rate

< 1×10⁻¹² Pa·m³/s (He)

Dimensions

尺寸英文.png


Max Feedthroughs per Flange

Flange

CF40

CF63

CF100

KF50

ISO-K63

ISO-K100

Quantity

1*

2

5

1**

2

5

*A compact-size Sub-D25 is required for CF40 flange.
**A compact-size Sub-D25 is required for KF50 flange.


CF Flange Selection Table

Flange

Feedthrough

 Quantity

A (mm)

B (mm)

C (mm)

Model

CF40

1

70

12.7

17

MT101-DB25-C40

CF63

2

114

17.5

21.4

MT101-DB25-C63-2

CF100

3

152

20

22.2

MT101-DB25-C100-3

CF100

4

MT101-DB25-C100-4

CF100

5

MT101-DB25-C100-5


ISO-K Flange Selection Table

Flange

Feedthrough

 Quantity

A (mm)

B (mm)

C (mm)

Model

ISO-K63

1

130

12

21.5

MT101-DB25-ISOK63

ISO-K63

3

130

12

21.5

MT101-DB25-ISOK63-3

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


Weldable Version Selection Table

Feedthrough Quantity

Model

1

MT100-DB25-WV


Accessories

Category

Type

Description

Model

Vacuum Side

① PEEK Connector

Sub-D25 PEEK Connector

MT102-DB25FS-PK

② Pin

25 pcs per pack

MT104-DBPF-25

③ Shielding Shell

Sub-D25 Shielding Shell

MT103-DB25HS

Kit (with sufficient pins)

① + ②

MT-DB25FS-PK-SET

① + ② + ③

MT-DB25FS-PK-PACK

Vacuum Cable

KAPM Series

Multi-strand single-core unshielded cable

301-KAPM-035
301-KAPM-060

Air Side

Kit

Includes connector, female pins, housing

MT102-DB25FS-AIR

Madison Technology offers Sub-D type vacuum feedthroughs in 9-pin, 15-pin, 25-pin, 37-pin, and 50-pin configurations. These feedthroughs are compatible with CF, KF, and ISO flanges, and weldable versions are also available. We supply both vacuum-side and air-side connector terminals, as well as corresponding cables. Custom flange-feedthrough combinations are also supported. If the product you need is not listed here, please feel free to contact us at 15301310116 (also available on WeChat).


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Madison Technology Co., Ltd
address:1st floor, Building 11, Zhongguancun Software Park, Haidian District, Beijing
email:sales@madison-tech.com
phone:15301310116
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Sub-D Type Feedthrough-Madison Technology Co., Ltd
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