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Capacitor - メーカー・企業103社の製品一覧とランキング

更新日： 集計期間:Nov 05, 2025～Dec 02, 2025
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Capacitorのメーカー・企業ランキング

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  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
企業ランキングへ

Capacitorの製品ランキング

更新日： 集計期間:Nov 05, 2025～Dec 02, 2025
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  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の製品一覧

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Plastic Film Capacitor 'HYX'

Plastic Film Capacitor 'HYX'

Using polyester film as a dielectric! A film capacitor with excellent performance.

The "HYX" is a plastic film capacitor that uses epoxy resin for its exterior, offering excellent heat resistance, moisture resistance, and solvent resistance. The thin film uniform exterior gives it a more rectangular shape, making it suitable for automatic insertion. Additionally, it uses polyester film as the dielectric, providing outstanding performance. 【Specifications】 ■ Operating temperature range: -40℃ to +85℃ ■ Rated voltage: 50VDC (1H) 100VDC (2A) ■ Rated capacitance range: 0.001 to 0.47μF ■ Rated capacitance tolerance: ±5% (J) ±10% (K) ■ Dissipation factor: 0.8% or less (at 1kHz 20℃) ■ Insulation resistance: 30,000MΩ or more ■ Dielectric strength: (Rated voltage) × 250% for 1 to 5 seconds ■ Exterior: Epoxy resin *For more details, please download the PDF or feel free to contact us.

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WIMA film capacitor DC link capacitor

WIMA film capacitor DC link capacitor

As a capacitor specialist, I will respond to your needs!

■WIMA【Manufacturer】■ A German manufacturer specializing in capacitors, established in 1948. It has four factories in Germany and has been producing exclusively in Germany since its founding. As a top manufacturer in the world, it develops and manufactures high-quality film capacitors for professional use in all areas of electronics. It is capable of producing standard products as well as custom products tailored to customer requests. ● Our company is an official distributor of WIMA and is expanding its sales network (there are only three official distributors in Japan). *If you have any questions, please feel free to contact us.

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WIMA GmbH & Co. Business Introduction

WIMA GmbH & Co. Business Introduction

Film capacitor specialist! Solutions available to meet all customer needs.

Our affiliated company, WIMA GmbH & Co., specializes in the development and manufacturing of high-quality film capacitors for professional use in all areas of electronics. Since 1948, we have been exclusively producing in Germany as a private company. We manufacture and design not only standard products but also customized products that require experience and highly developed expertise. Therefore, solutions can be provided to meet all customer needs. [Business Description] ■ Development and manufacturing of high-quality film capacitors * You can download the English version of the catalog. * For more details, please refer to the PDF materials or feel free to contact us.

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WIMA Company Profile - Plastic Film Capacitors

WIMA Company Profile - Plastic Film Capacitors

Design and manufacturing of customized products requiring experience and advanced expertise! Responding to various customer needs.

WIMA is a specialized manufacturer of plastic film capacitors designed and produced exclusively in Germany. Our goal is to maximize customer satisfaction in terms of quality, innovation, and service, with our strength lying in the design and manufacturing of customized products that require experience and advanced expertise. Therefore, we can provide solutions that meet the diverse needs of our customers. Our main customer groups include the automotive, consumer electronics, industrial electronics, and lighting industries. Among them are well-known and demanding customers such as Bosch and Siemens, to whom we supply products worldwide. [Business Description] ■ Design and production of plastic film capacitors * You can download the English version of the catalog. * For more details, please refer to the PDF materials or feel free to contact us.

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FKP02

FKP02

Strict tolerance of ±2.5%! CM2.5mm IMA plastic film capacitor.

We would like to introduce the 'FKP02' that we handle. It is one of the smallest plastic film capacitors in the world, with very low dielectric absorption. Additionally, it is compliant with RoHS2015/863/EU. Please feel free to contact us when you need it. 【Features】 ■ PCM 2.5mm ■ Strict tolerance of ±2.5% ■ Very low dielectric loss tangent ■ Change in negative capacitance ■ Very low dielectric absorption ■ Compliant with RoHS2015/863/EU * You can download the English version of the catalog. * For more details, please refer to the PDF materials or feel free to contact us.

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Capacitor "GTO MKP"

Capacitor "GTO MKP"

High pulse reliability and high effective current-carrying capacity! Excellent mechanical stability with nearly infinite lifespan.

The "GTO MKP" is a capacitor designed for pulse applications with internal series connections. It features high pulse reliability, high effective current-carrying capacity, excellent self-healing characteristics, high shock and vibration resistance, outstanding mechanical stability, and an almost infinite lifespan. It is a converter device used in power generation, as well as in traction technologies such as train drive systems, hoists, and crane drive systems. 【Functions (partial)】 ■ Pulse duty structure ■ Self-healing ■ Cylindrical capacitor body with axial screw and screw connection sizes M6 or M8 ■ Internal series connection from 400VAC ■ 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 "SNUBBER FKP"

Capacitor "SNUBBER FKP"

The plate is directly soldered to the scoop page! It has a high pulse duty.

The "SNUBBER FKP" is a capacitor with a very low dielectric loss tangent. It features a low inductance structure with end-face contact. It is available in a reliable contact configuration with a 4-pin version and a screw-type plate connection. It is equipped with functions such as internal series connection and negative capacitance change with temperature. 【Functions (partial)】 ■ High pulse duty ■ Self-repairing ■ Particularly 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 "POWERBLOCK"

Capacitor "POWERBLOCK"

Realizing high-speed supply of electrical energy! A product that actively maintains balance.

The "POWERBLOCK" is a dual-layer capacitor with a very high capacitance. It is a cascade-connected double-layer capacitor module for voltage support, enabling high-speed delivery of electrical energy. Additionally, the displayed configuration is a representative example, and it can be adapted in terms of capacitance, voltage, or dimensions at any time. 【Features (partial)】 ■ Modules with very high capacitance values ranging from 62F to 500F and rated voltages from 16VDC to 125VDC ■ Discharge current of up to 1900A ■ Maintenance-free ■ Series connection *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 HC"

Capacitor "DC-LINK HC"

Safe contact configuration with screw-in plates! This product has very low dielectric absorption.

The "DC-LINK HC" is a metallized polypropylene (PP) capacitor for DC link applications. It features an internal safety disconnector with self-healing capabilities and a secure contact configuration with screwable plates. Additionally, a 105°C version is available upon request. 【Features (partial)】 ■ Very high volume/capacitance ratio ■ Internal safety disconnector with self-healing capabilities ■ Secure contact configuration with screwable plates ■ Dry structure that does not use electrolytic liquid or oil ■ Negative capacitance change with temperature *You can download the English version of the catalog. *For more details, please feel free to contact us.

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Plastic film capacitor

Plastic film capacitor

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

We would like to introduce our "Plastic Film Capacitors." We offer a wide range of products, including large-capacity cylindrical capacitors suitable for wind power generation, solar power generation, various inverters, chopper control, and charging/discharging, such as the "MLC type." Additionally, we have resin case capacitors suitable for DC link circuits and box-type capacitors in our lineup. 【Plastic Film Capacitor Lineup (Partial)】 ■ MLC type ■ MLC2 type ■ MLCA type ■ MKCP4 type ■ MKCP4T type *For more details, please refer to the PDF document or feel free to contact us.

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Causes and Countermeasures for Capacitor Failure: What to Look For

Causes and Countermeasures for Capacitor Failure: What to Look For

To use the capacitor properly! We will introduce examples of failure phenomena, causes, and countermeasures.

AICTech's capacitors apply strict quality control and safety standards in the design and manufacturing of their products. However, with current technology levels, it is difficult to achieve zero failures in capacitors. When a failure occurs, the capacitor loses its basic functions of storing charge in direct current and eliminating noise and ripple current. In the worst case, there is a risk of ignition leading to a fire. If you notice conditions such as "cracks in the case" or "smoke coming out," it indicates a failure, and you must immediately disconnect the power and take appropriate action. The related catalog explains the phenomena and causes of failures, as well as examples of countermeasures, to help you use capacitors properly. Please take a moment to read it. *For more details, please refer to the PDF document or feel free to contact us.*

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Causes and Countermeasures for Capacitor Failure: Open Failure

Causes and Countermeasures for Capacitor Failure: Open Failure

The main causes of open failure are mainly disconnection and significant increase in resistance! Introducing how capacitors fail.

When a capacitor fails open, the circuit becomes completely disconnected. For example, using a large-capacity capacitor in the power supply smoothing circuit can flatten a voltage waveform that resembles a large wave into a stable DC voltage. However, if the capacitor opens, high voltage may be applied to the circuit, potentially causing semiconductor failure. The main causes of open failure are disconnection or a significant increase in resistance. These often occur at the connection points between the capacitor's external terminals and the wiring. Since the external terminals, internal wiring, and structure vary depending on the type of capacitor, there are various types of open failures. In addition to usage of the capacitor, factors such as vibrations or shocks during transport, and the arrangement of equipment on the circuit board can also contribute to open failures. Our related catalog provides a wealth of information on various failure phenomena and cases, as well as causes 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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Causes and Countermeasures for Failure of Data Capacitors: Aluminum Electrolytic Capacitors

Causes and Countermeasures for Failure of Data Capacitors: Aluminum Electrolytic Capacitors

Failures occur due to rapid chemical reactions that are greatly influenced by environmental factors such as temperature and atmosphere!

Aluminum electrolytic capacitors are essential electronic components for power circuits and electronic circuits due to their small size and large capacity. Most aluminum electrolytic capacitors are polarized, so they are typically used in DC circuits. Their operating principle utilizes chemical reactions, and they are also known as chemical capacitors. As a result, the performance of aluminum electrolytic capacitors is greatly affected by environmental factors such as temperature and atmosphere, and failures can occur due to rapid chemical reactions. In the related catalog, we provide detailed explanations of failure cases of aluminum electrolytic capacitors and film capacitors, along with their causes, root causes, and countermeasures. Please take a look. *For more details, please refer to the PDF materials or feel free to contact us.*

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Causes and Countermeasures for Capacitor Failures: Basic Knowledge of Capacitors

Causes and Countermeasures for Capacitor Failures: Basic Knowledge of Capacitors

Aluminum electrolytic capacitors can be used in a wide range of DC circuits! Here is an introduction to the basics of capacitors.

Aluminum electrolytic capacitors are polarized capacitors with a limited lifespan that apply electrochemical operating principles, and they are also known as chemical capacitors. These capacitors have high volumetric efficiency (capacitance per unit volume), can achieve large capacitance values in the thousands of microfarads, can withstand large ripple currents, and have high reliability, making them suitable for a wide range of applications in DC circuits. On the other hand, it is necessary to consider their relatively high leakage current compared to other capacitors, a wide capacitance tolerance range of ±20%, high equivalent series resistance, and their finite lifespan when using them. Related catalogs provide detailed information on the features and structure of aluminum electrolytic capacitors and film capacitors. 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] It failed due to excessive ripple, and the electrolyte was ejected.

[Explanation of the cause of capacitor failure] It failed due to excessive ripple, and the electrolyte was ejected.

Please choose a capacitor considering the allowable ripple current, temperature, and frequency corrections!

We would like to introduce a case where an aluminum electrolytic capacitor used in the DC link of an inverter circuit overheated, causing the pressure relief valve to activate and the electrolyte to spray out from the capacitor. The cause was that a ripple current exceeding the allowable value flowed into the capacitor, causing it to overheat beyond its design specifications. Due to the overheating, the insulation deteriorated, leading to a short circuit, and the gas generated from the electrolyte increased the pressure inside the capacitor. The pressure relief valve activated, resulting in the electrolyte spraying out in aerosol form. **Countermeasures** - Confirm that the magnitude and waveform of the expected ripple current during the design phase match the specifications. - Select capacitors considering the allowable ripple current, temperature, and frequency corrections. *For more details, please refer to the PDF document or feel free to contact us.*

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