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This section provides an overview for vacuum capacitors as well as their applications and principles. Also, please take a look at the list of 12 vacuum capacitor manufacturers and their company rankings. Here are the top-ranked vacuum capacitor companies as of March, 2026: 1.AMS Technologies AG, 2.NEXGEN, 3.Jingdezhen WPVAC Electric Co.,Ltd.
Table of Contents
A vacuum capacitor uses a vacuum as its dielectric medium. It features metal plate electrodes separated by a vacuum, enabling charge accumulation when voltage is applied.
This type of capacitor is noted for its high insulation resistance, low loss, robust voltage resistance, and durability. They excel in both high-frequency circuits, where they minimize losses, and high-voltage environments, where they withstand considerable voltages.
Vacuum capacitors are crucial in applications demanding high frequency or voltage, including radio communication, radar systems, power transmission, medical equipment, and precision instruments. They are available in parallel-plate and coaxial cylindrical designs. The parallel-plate model, simpler and easier to produce, has a larger electrode area, whereas the coaxial cylindrical model supports miniaturization but requires more complex manufacturing.
*Including some distributors, etc.
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AMS Technologies AG is a German manufacturer of thermal management, photonics, and power technology products that was originally founded in 1982 as AMS Technologies GmbH before rebranding in 2007. Based in Munich, Bavaria, the company produces power technology systems such as resistors and capacitors, as well as optical components including spectrometers and fiber optics. It also offers thermal management solutions, such as vapor compression and liquid cooling systems for electronics or thermoelectrics. AMS Technologies operates internationally, with sales offices in France, Italy, Spain, and the UK. The company primarily serves clients in renewable energy, avionics, and nanotechnology R&D.
Meiden Europe is a German manufacturer of electrical equipment and systems established in 1996 as a wholly-owned subsidiary of Japan’s Meidensha Corporation, which has been in operation since 1897. Headquartered in Unterschleissheim, Bavaria, the company produces various electrical equipment including surge arresters, inverters, and motors, as well as electrical systems for railway power supply and substation automation. These are utilized in a wide range of industrial processes, such as in power transmission or distribution, water treatment and robotics. Meiden Europe has sales offices and facilities across the European Union, including in France, Switzerland, Slovakia, Austria, and the United Kingdom.
Kintronic Labs Inc., established in 1949 with headquarters in Bluff City, Tennessee, USA, is a distributor, manufacturer, and integrator of broadcast antennas and telecommunication systems. The company's extensive product line includes antenna tuning units, monitoring systems, RF components, short-wave antennas, and equipment racks. The company also offers various equipment and design solutions for AM colocation, custom prefabrication of buildings for telecommunications, and custom transmission tower and transmission line fabrication and installation. The company serves the AM, shortwave, FM, and TV communications markets, among others.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | AMS Technologies AG |
15.8%
|
| 2 | NEXGEN |
13.7%
|
| 3 | Jingdezhen WPVAC Electric Co.,Ltd |
12.6%
|
| 4 | Meiden Europe |
8.4%
|
| 5 | Richardson Electronics |
7.4%
|
| 6 | Kintronic Labs, Inc. |
7.4%
|
| 7 | AEP Components |
6.3%
|
| 8 | GREENSTONE USA INC |
5.3%
|
| 9 | Senior Flexonics |
5.3%
|
| 10 | Comet Group |
5.3%
|
Derivation Method
The ranking is calculated based on the click share within the vacuum capacitor page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Germany
|
2 | 100.0% |
