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This section provides an overview for dc capacitors as well as their applications and principles. Also, please take a look at the list of 20 dc capacitor manufacturers and their company rankings. Here are the top-ranked dc capacitor companies as of January, 2025: 1.Dongguan Zhixu Electronic Co., Ltd., 2.YANGZHOU POSITIONING TECH CO., LTD., 3.LUNGCHEN CAPACITOR COMPANY.
Table of Contents
A DC capacitor is a crucial electronic component for storing electrical energy in an electric charge form. This storage capability stems from its basic structure, which comprises two conductive plates (electrodes) separated by a non-conductive material (dielectric).
When a voltage is applied across these plates, it induces a positive charge on one plate and a negative charge on the opposite plate, effectively storing energy within the electric field created between them. The capacitor’s ability to hold a charge is quantified by its capacitance, measured in Farads (F). The size of the plates, the distance between them, and the dielectric material's properties influence the capacitance.
In DC (direct current) circuits, capacitors serve multiple functions. Once charged, a capacitor will maintain its voltage level, blocking any further DC flow through it. This characteristic allows capacitors to be used for smoothing out voltage fluctuations, energy storage, timing applications, and signal filtering within electronic circuits.
*Including some distributors, etc.
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Dongguan Zhixu Electronic Co., Ltd. (also known as JYH HSU (JEC) ELECTRONICS LTD.) is an electronic component manufacturer, established in 1988 and located in Dongguan, Guangdong, China. Utilizing automated production and testing machines, along with a laboratory for assessing product performance and reliability, the company offers a selection of capacitors, including ceramic, electrolytic, and safety capacitors. It also produces a range of resistors, namely varistors and thermistors. The company’s varistor offering include metal oxide lightning arrester varistors, lightning protection varistors, and zinc oxide varistors, whereas its thermistor lineup includes negative temperature coefficient (NTC) thermistors and precision NTC power thermistors.
LUNGCHEN CAPACITOR COMPANY, founded in 1989 and located in Taichung City, Taiwan, is a manufacturer of metallized film capacitors. It offers a range of products that include film capacitors, AC capacitors, motor capacitors, fan capacitors, and lighting capacitors. These capacitors are used in electronic circuits and applications for energy storage, voltage stabilization, power factor correction, and improved performance in devices and systems. LUNGCHEN's capacitors find application in industries such as consumer electronics, appliances, lighting, motors, and HVAC systems, providing efficient solutions for diverse electrical functions.
Deki, founded in 1984 and located in New Delhi, India, is a supplier and manufacturer of film foil, non-inductive type, round axial, box type, and flat axial capacitors. The company's range of products includes DC film capacitors, LED capacitors, RFI capacitors, FAN regulator capacitors, and motor run capacitors. These capacitors are used in electronic and electrical applications such as power electronics, LED lighting systems, communication equipment, fan speed regulators, and electric motors. Deki's capacitors offer an efficient power supply, reduce electromagnetic interference, and improve motor performance. The company cater to industries like lighting, power electronics, telecommunications, consumer electronics, and HVAC systems.
Rhopoint Components Limited, founded in 1975 and located in Sussex County in southeast England, is a distributor of precision electronic components, including sensors and connectors. The company is an authorized partner of 28 manufacturers with headquarters in the UK, with several Divisions, including Rhopoint Nordic ApS and Rhopoint Energy. The company offers a wide range of electric components, including resistors, capacitors, transistors, diodes, and connectors, catering to the specific needs of diverse industries, including renewable energy, subsea, oil, and gas. It has cyber essentials certification along with BS EN ISO 9001 certification.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Dongguan Zhixu Electronic Co., Ltd. |
40.0%
|
| 2 | YANGZHOU POSITIONING TECH CO., LTD. |
20.0%
|
| 3 | LUNGCHEN CAPACITOR COMPANY |
20.0%
|
| 4 | Deki |
20.0%
|
Derivation Method
The ranking is calculated based on the click share within the dc capacitor page as of January 2025. 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 (%) |
|---|---|---|
|
China
|
2 | 40.0% |
|
Taiwan
|
1 | 20.0% |
|
India
|
1 | 20.0% |
|
United Kingdom
|
1 | 20.0% |
