We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Capacitor.
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Capacitor Product List and Ranking from 103 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Capacitor Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. 指月電機製作所 Hyogo//Industrial Electrical Equipment
  2. オーエン Saitama//Electronic Components and Semiconductors
  3. AIC tech Inc. Tochigi//Electronic Components and Semiconductors
  4. 4 null/null
  5. 5 null/null
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Capacitor Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. Comprehensive Catalog of Power Capacitor Related Equipment 指月電機製作所
  2. Low-pressure phase advancing capacitor equipment 'N2 type, E type' 指月電機製作所
  3. Surge absorption capacitor and grounding capacitor 指月電機製作所
  4. 4 High Voltage Power Factor Correction Capacitor Equipment <Dry Type> 指月電機製作所
  5. 5 Causes and Countermeasures for Capacitor Failure: Short Circuit Failure AIC tech Inc.

Capacitor Product List

136～150 item / All 1149 items

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Towa Electric Co., Ltd. Company Profile

Towa Electric Co., Ltd. Company Profile

Selling electronics for half a century. Providing higher value-added proposal-based services!

Towa Electric has been providing high-quality electronic components while valuing the trust relationship between manufacturers and customers in the continuously evolving electronics industry. What we always consider is, "What can we do as a specialized trading company for electronic components?" We aim to not only respond to what our customers are seeking but also to offer more value-added, proposal-based services. 【Business Description】 ■ Sales of electrical and electronic components and related products *For more details, please refer to the PDF materials or feel free to contact us.

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  • Capacitor
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Plastic film capacitor "HAK"

Plastic film capacitor "HAK"

RoHS (2002/95/EC) compliant metallized polyester film capacitor

"HAK" is a plastic film capacitor with a tubular structure, allowing for the production of large-capacity types suitable for a wide range of applications, including equipment use. The exterior is sealed with polyester adhesive tape and epoxy resin on both end faces, providing excellent mechanical strength and moisture resistance. Additionally, it is a high-reliability standard product with self-healing properties, using metallized polyester film as the dielectric in a large-capacity tape-wrapped design. 【Applications】 ■ For general electronic devices and communication equipment, used for filter DC blocking and coupling circuits ■ For motor starting, charging and discharging circuits, lighting fixtures, and other AC circuits, etc. * When used in AC circuits, issues may arise depending on circuit conditions, potentially causing heat generation and discharge, so please inquire for details. * For more information, please download the PDF or feel free to contact us.

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Capacitor "SNUBBER MKP"

Capacitor "SNUBBER MKP"

Safe to touch even at high effective currents! Low inductance structure with end-face contact.

The "SNUBBER MKP" is a capacitor designed for pulse applications, featuring double-sided metallization electrodes and internal series connections. The plates are directly soldered to the substrate, allowing for safe contact even at high effective currents. It achieves high pulse reliability through double-sided metallization and/or film/foil structures. 【Features (partial)】 ■ Pulse duty structure ■ Self-healing ■ Reliable contact configuration: 4-pin version and screw-type plate connection ■ Internal series connection ■ Very low dielectric loss tangent *You can download the English version of the catalog. *For more details, please feel free to contact us.

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Capacitor "DC-LINK MKP 4"

Capacitor "DC-LINK MKP 4"

Manufactured with low-loss polypropylene dielectric! It has excellent self-repairing properties.

The "DC-LINK MKP 4" is a metallized polypropylene (PP) capacitor for DC link applications. It is specifically designed for applications in high-power converter technology, which is increasingly being used as an alternative to electrolytic capacitors due to the growing electrical requirements. Manufactured with low-loss polypropylene dielectric, it not only exhibits low losses/self-heating at high frequencies but also demonstrates a higher current carrying capacity. 【Features (partial)】 ■ Maximum capacitance of 400μF ■ High volume/capacitance ratio ■ Excellent self-healing properties ■ Very low dielectric loss tangent ■ High reliability * You can download the English version of the catalog. * For more details, please feel free to contact us.

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Capacitor "DC-LINK MKP 6"

Capacitor "DC-LINK MKP 6"

Includes cylindrical aluminum case for busbar installation! Dry structure that does not use electrolyte or oil.

The "DC-LINK MKP 6" is a metallized polypropylene (PP) capacitor housed in a cylindrical case. It features a very high volume-to-capacitance ratio and self-healing properties, with a dry structure that does not use electrolytic liquid or oil. Additionally, an internal fuse is not required. Custom capacitance or voltage options are available upon request. Please feel free to consult us when placing an order. 【Features (partial)】 ■ Very high volume/capacitance ratio ■ Self-healing properties ■ Comes with a cylindrical aluminum case for busbar mounting ■ Dry structure that does not use electrolytic liquid or oil ■ No internal fuse required *You can download the English version of the catalog. *For more details, please feel free to contact us.

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Comprehensive Capacitor Catalog for the Power Electronics Industry

Comprehensive Capacitor Catalog for the Power Electronics Industry

A wide variety of aluminum electrolytic capacitors and plastic film capacitors are featured!

This catalog is a comprehensive catalog featuring capacitors handled by AIC Tech Co., Ltd. We offer lead-free products that do not contain lead in the product terminals, as well as products that do not include polyvinyl chloride in the exterior materials, all of which comply with the European RoHS Directive (2011/65/EU and 2015/863/EU, etc.) as standard products in our lineup. [Contents] ■ Aluminum Electrolytic Capacitors - Screw terminal aluminum electrolytic capacitors - PCB mount aluminum electrolytic capacitors - Lead terminal aluminum electrolytic capacitors ■ Plastic Film Capacitors - Plastic film capacitors for power electronics, etc. *For more details, please download the PDF or feel free to contact us.

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Basic Knowledge of Capacitors

Basic Knowledge of Capacitors

We introduce the capacitance of capacitors, basic order units, and environmentally friendly products.

This is an introduction to the basic knowledge of capacitors, which have a structure with a dielectric sandwiched between two opposing electrodes. The capacitance of capacitors will be explained using diagrams, and the characteristics of various capacitors and environmentally friendly products will be discussed using tables. Our company promotes environmental management based on CSR (Corporate Social Responsibility), with the philosophy of harmonizing corporate activities and the environment. In terms of product offerings, we provide lead-free products that do not contain lead in the product terminals, as well as products that do not contain polyvinyl chloride in the exterior materials. Our standard lineup includes products that comply with the European RoHS Directive (2011/65/EU and 2015/863/EU, etc.). *For more details, please refer to the PDF materials or feel free to contact us.

  • Capacitor

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Aluminum electrolytic capacitor

Aluminum electrolytic capacitor

All series are compliant with the RoHS directive! We introduce a variety of capacitors with different operating temperature ranges and operating voltages.

We would like to introduce the "Aluminum Electrolytic Capacitors" that we handle. The screw terminal type aluminum electrolytic capacitors have a heat dissipation structure that improves ripple current by approximately 10% compared to the HCGF6A type, including the "VF type" and many others such as the "VG type." Additionally, we offer a lineup of board-mounted aluminum electrolytic capacitors with an 85°C, 2000-hour guarantee, as well as lead type aluminum electrolytic capacitors. 【Screw Terminal Type Aluminum Electrolytic Capacitors Standard Product Lineup (Partial)】 ■ VF type ■ VG type ■ VFL type ■ VGL type ■ VFH type *For more details, please refer to the PDF document or feel free to contact us.

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15 Examples of Causes and Countermeasures for Capacitor Failures (with Diagrams)

15 Examples of Causes and Countermeasures for Capacitor Failures (with Diagrams)

To ensure that our capacitors are used with higher reliability, we would like to introduce some examples of troubles.

When a capacitor fails, electronic devices may not operate as expected, potentially leading to unexpected accidents. However, it is impossible to eliminate capacitor failures entirely. Therefore, our company, which has been manufacturing capacitors for about 70 years, will introduce the causes of failures and examples of countermeasures to ensure that capacitors are used appropriately and safely. [Failure Phenomena and Examples, Causes and Countermeasures] ■ Smoke emitted from a capacitor that shorted due to overvoltage ■ A capacitor failed due to excessive ripple, causing electrolyte to spray out ■ A capacitor in the charge and discharge circuit lost its capacitance ■ A pressure valve failed to operate, causing steam to erupt from the grounding surface ■ One of the capacitors connected in parallel failed ■ The characteristics of an aluminum electrolytic capacitor decreased at low temperatures ■ The characteristics of an aluminum electrolytic capacitor deteriorated after long-term storage ■ An aluminum electrolytic capacitor sparked ■ An aluminum electrolytic capacitor installed horizontally burst ■ An aluminum electrolytic capacitor connected in series shorted ■ A film capacitor intended for DC use failed when used in an AC circuit ■ A resin-coated film capacitor ignited *For more details, please refer to the PDF document or feel free to contact us.

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Introduction to Capacitors That You Can't Ask About Now

Introduction to Capacitors That You Can't Ask About Now

For young circuit design engineers! It covers everything from the basics of capacitors to the currently popular large-capacity capacitors.

A capacitor is one of the fundamental and important components in electronic circuits. For engineers involved in circuit design, accurately acquiring knowledge about the characteristics and properties of capacitors is essential for product development. However, when reconsidering the basic operation and mechanisms of capacitors, one might realize that there are oversights and misunderstandings. We will provide an "Introduction to Capacitors You Can No Longer Ask About," covering everything from the basic structure, mechanisms, and design of capacitors to the units used to express the size of capacitors, including the currently popular large-capacity capacitors. *For more details, please refer to the PDF materials or feel free to contact us.*

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Causes and Countermeasures for Capacitor Failure: Short Circuit Failure

Causes and Countermeasures for Capacitor Failure: Short Circuit Failure

Explanation of failure modes and factors! There is also a risk of ignition due to reactions with oxygen in the air.

When a capacitor experiences a short circuit failure, it can no longer easily accumulate charge as current flows through it. For example, if a capacitor connected between the input side and ground to eliminate ripple current or noise shorts, a large current will flow from the input to ground. Causes of short circuit failures include applying voltage beyond the rated value, conducting ripple current, and usage under high temperature or high humidity. Additionally, for polarized capacitors, applying pure AC voltage or reverse voltage can also lead to shorts. Furthermore, because the dielectric of a capacitor is very thin, excessive mechanical stress can damage the dielectric and cause a short. It is important not only to consider electrical factors but also to ensure that the capacitor is not subjected to shocks or vibrations. Our related catalog provides a wealth of information on various failure phenomena and case studies, as well as factors and countermeasures. Please feel free to download and take a look. *For more details, please refer to the PDF materials or feel free to contact us.*

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Explanation of the cause of capacitor failure: Coated capacitor has failed.

Explanation of the cause of capacitor failure: Coated capacitor has failed.

The measure is to not coat the entire circumference of the capacitor with a coating agent or resin!

We would like to introduce a case where electrolyte leaked during use, causing a short circuit in the circuit board and resulting in capacitor failure. The electrolyte in aluminum electrolytic capacitors evaporates during operation, releasing gas into the atmosphere through the sealing rubber gasket. Additionally, aluminum electrolytic capacitors are equipped with pressure relief valves. Therefore, if the capacitor is covered with resin or similar materials, it can hinder the release of gas and the operation of the pressure relief valve. In this case, the coating material blocked the pressure relief valve, impairing its function and causing the sealing part of the capacitor to break, leading to electrolyte leakage. As a result, the circuit board wiring short-circuited, and the capacitor failed. **Countermeasures** - Do not cover the entire circumference of the capacitor with coating agents or resin. - Most of our aluminum electrolytic capacitors can withstand vibration tests with acceleration of up to 10G. *For more details, please refer to the PDF document or feel free to contact us.*

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[Explanation of the Causes of Capacitor Failure] Failure of a DC Capacitor in an AC Circuit

[Explanation of the Causes of Capacitor Failure] Failure of a DC Capacitor in an AC Circuit

The rated voltage is set with a margin, taking into account factors such as AC frequency, voltage waveform, voltage fluctuations, and operating temperature!

The film capacitor in the power circuit shorted and caught fire. In this case, a film capacitor with a vapor-deposited electrode designed for DC was used in an AC circuit. The effective value of the AC voltage and the DC rated voltage of the capacitor were almost the same. As a result, a voltage exceeding the rated voltage continued to be applied to the capacitor, leading to a short circuit and fire. [Countermeasures] - Change to a film capacitor suitable for AC - Set the rated voltage of the capacitor with an adequate margin, considering AC frequency, voltage waveform, voltage fluctuations, and operating temperature - If the DC voltage contains an AC component, it is necessary to choose a capacitor with a DC rated voltage higher than the peak voltage *For more details, please refer to the PDF document or feel free to contact us.

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Introduction to Capacitors: What You Can't Ask About Capacitors Now

Introduction to Capacitors: What You Can't Ask About Capacitors Now

Both capacitors and capacitors are electronic components that can physically store electric charge!

A capacitor is one of the fundamental and important components in electronic circuits. There is no clear distinction between a capacitor and a condenser; both can physically store electric charge. In English-speaking countries, it is called a capacitor (from "electric capacity = capacity"), but in Japan, it is said to have been referred to as "condenser" (＝condenser) due to its function of compressing (＝condense) electricity. For more details, please refer to the PDF download below. *For more information, please refer to the PDF document or feel free to contact us.

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Cylindrical plastic film capacitor for direct current

Cylindrical plastic film capacitor for direct current

High voltage and high ripple film capacitor compatible up to 2,200V DC.

Suitable for applications requiring high voltage and high ripple current, such as large inverters and power supplies. ■ Ideal for high-voltage inverters ■ Specialized for high voltage and high ripple ■ Large sizes available up to a maximum of φ116×345L *For more details, please refer to the PDF document or feel free to contact us.

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