Capacitor Product List and Ranking from 21 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.

Capacitor Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.

  1. 指月電機製作所 Hyogo//others
  2. null/null
  3. 光アルファクス Osaka//Trading company/Wholesale
  4. 4 日新電機商事 Tokyo//Trading company/Wholesale
  5. 5 武蔵エナジーソリューションズ Yamanashi//others
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Capacitor Product ranking

Last Updated： Aggregation Period:Apr 08, 2026～May 05, 2026
This ranking is based on the number of page views on our site.

  1. Surge absorption capacitor / grounding capacitor 指月電機製作所
  2. EMI suppression film capacitors (X capacitors and Y capacitors) 光アルファクス
  3. Shizuki Film Capacitor Comprehensive Catalog 指月電機製作所
  4. Power capacitors: Reducing CO2 emissions by lowering losses in electrical equipment! 日新電機商事
  5. 4 [Blog] The Difference Between Capacitors and Condensers 武蔵エナジーソリューションズ

Capacitor Product List

1～30 item / All 62 items

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[Analysis Case] Electric Field Analysis of Cylindrical Capacitor (Capacitance Calculation)

[Analysis Case] Electric Field Analysis of Cylindrical Capacitor (Capacitance Calculation)

Not only with VOLT, but also with VOLTjω, analysis is possible! Here are examples of analyses conducted under three conditions!

In this analysis case, we will introduce a comparison between the calculated values of the capacitance of a cylindrical capacitor and the theoretical solutions. The analysis covers three conditions: "Cylindrical Capacitor (Air)," "Cylindrical Capacitor (Dielectric - Radial Two Layers)," and "Cylindrical Capacitor (Dielectric - Circumferential Two Layers)." Since this case involves electrostatic field analysis, it can be analyzed not only in VOLT but also in VOLTjω. For more details, please refer to the related links below. 【Case Overview】 ■ Software Used: PHOTO-VOLT or VOLTjω ■ Analysis Results - Cylindrical Capacitor (Air): 5.039E-11 - Cylindrical Capacitor (Dielectric - Radial Two Layers): 3.681E-10 - Cylindrical Capacitor (Dielectric - Circumferential Two Layers): 3.780E-10 *For more details, please refer to the related links or feel free to contact us.

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  • Capacitor

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Capacitor for inverter smoothing, MEC capacitor

Capacitor for inverter smoothing, MEC capacitor

Film Con proposes the possibility of direct connection to IGBT, snubberless, and maintenance-free.

It is also possible to use it in parallel with electrolytic capacitors.

  • Rock drills, demolition machines, and excavators
  • Prime movers, torque converters, hydraulic equipment, generators
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  • Capacitor

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Surge absorption capacitor / grounding capacitor

Surge absorption capacitor / grounding capacitor

Introduction to the functions and characteristics of surge absorption capacitors and grounding capacitors!

This catalog introduces the functions and characteristics of surge absorption capacitors and grounding capacitors. <Surge Absorption Capacitors> Generally, rotating machines and transformers are installed in confined spaces, making it difficult to enhance their insulation strength due to structural limitations. Therefore, protective devices are necessary to ensure the safety of the system. "Surge absorption capacitors" are an effective means of protecting against these abnormal voltages compared to other methods. <Grounding Capacitors> A step-down insulating transformer is installed on-site, and a grounding relay activated by a zero-phase current transformer is set up for equipment protection. In this case, to perform grounding protection on the secondary side, it is necessary to connect a grounding capacitor on the power supply side rather than the ZCT to obtain the detection zero-phase current. *For more details, please refer to the catalog or feel free to contact us.

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  • Capacitor

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High-frequency capacitor

High-frequency capacitor

Introduction to plastic film capacitors and water-cooled capacitors!

The polyethylene film capacitors produced by Shiyue Electric Manufacturing Co., Ltd. have been widely adopted for applications such as power factor improvement in SCR-type and MG-type high-frequency electric furnace heating devices, utilizing their excellent properties, including a low dielectric loss tangent (tanδ). Furthermore, focusing on the characteristics of electrical polypropylene film, we developed polypropylene film capacitors suitable for power factor improvement in MG-type high-frequency electric furnaces, specifically in the frequency range of 1 to 10 kHz. Since then, our "plastic film capacitors" have been well-received to this day. In addition, we also handle "water-cooled capacitors <water-cooled caps>." *For more details, please refer to the catalog or feel free to contact us.*

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  • Capacitor

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Low-voltage installation of capacitors and harmonics

Low-voltage installation of capacitors and harmonics

Comprehensive comparison of low-voltage side installation and high-voltage side installation of the leading capacitor equipment!

Capacitors are used on both the high-voltage side and the low-voltage side, but in recent years, the installation of capacitors on the low-voltage side has been advancing due to the following benefits: 1) Reduction of losses in transformers and distribution lines 2) Suppression of harmonic leakage 3) Prevention of harmonic inflow This catalog introduces measures against harmonics and energy-saving effects when installing SC on the low-voltage side compared to the high-voltage side. *For more details, please refer to the catalog or feel free to contact us.

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Maintenance inspection items for capacitors and reactors

Maintenance inspection items for capacitors and reactors

Inspection methods, inspection procedures, and points for maintenance inspection items of capacitors and reactors are included!

This catalog includes inspection items for capacitors and reactors, as well as inspection methods, estimated causes of abnormalities, and countermeasures. 【Inspection Items】 ■ Inspection Items ■ Inspection Methods ■ Inspection Procedures and Points ■ Inspection Cycle ■ Estimated Causes of Abnormalities and Countermeasures *For more details, please refer to the catalog or feel free to contact us.

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Usage condition of the capacitor reactor

Usage condition of the capacitor reactor

We are publishing information about the standard operating conditions and special operating conditions for capacitors and reactors!

If the operating conditions of power equipment such as capacitors and reactors are not in accordance with standard specifications, and if they fall under the following special usage conditions, please be sure to contact us. 【Special Usage Conditions】 ■ When used in locations with a high frequency of sudden temperature changes ■ When used in locations exposed to significant sea breeze ■ When used in locations with high humidity ■ When used in locations with excessive dust ■ When used in locations with explosive, flammable, corrosive, or other harmful gases, or in locations where there is a risk of such gases ■ When used in locations subjected to abnormal vibrations or shocks ■ When used in steam or oil vapor environments ■ When used under other special conditions *For more details, please refer to the catalog or feel free to contact us.

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Automotive capacitor

Automotive capacitor

Automotive capacitors and LCR composite components with many years of proven performance, high performance, and reliability!

The "Automotive Capacitors" from Shigetsu Electric Manufacturing Co., Ltd. are capacitors and LCR composite components with a long-standing track record as specialized automotive parts, featuring high performance and reliability for noise countermeasures. Our products include "Noise Countermeasure Capacitors" that can be used in high temperatures within the engine room and have excellent noise absorption capabilities, as well as "Fuel Injection System Capacitors" that maintain stable performance at high temperatures and have high pulse endurance. Additionally, we offer "Composite Components (Elepack)" that are modularized LCR composites for noise countermeasures in automotive equipment. 【Product Lineup】 ■ Noise Countermeasure Capacitors ■ Ignition System Capacitors ■ Fuel Injection System Capacitors ■ Composite Components (Elepack) For more details, please refer to our catalog or feel free to contact us.

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  • Capacitor

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Shizuki Film Capacitor Comprehensive Catalog

Shizuki Film Capacitor Comprehensive Catalog

A wide variety of power electronics capacitors featuring high performance, reliability, low loss, and high insulation resistance are listed!

The "Shizuki Film Capacitor Comprehensive Catalog" introduces capacitors for various applications, including industrial, residential, automotive, and power equipment. It features the "MIC Series," suitable for high-frequency and high-current filter applications in power electronics circuits, as well as metallized polyester film capacitors "DMES" and general-purpose film capacitors "WME Series." Additionally, it includes technical documents summarizing general information and measurement methods related to film capacitors, as well as basic circuit examples of capacitors used in power electronics circuits, making it a helpful resource for selection. [Contents (Excerpt)] ■ Technical Documents ■ Product Pages - Film Capacitors for Power Electronics - Film Capacitors for Power Electronics - Film Capacitors for Electrical Equipment - Film Capacitors for High Frequency ■ Film Capacitor Specification Confirmation Sheet *For more details, please refer to the PDF document or feel free to contact us.

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Future-oriented Evaporator & Condenser Catalog

Future-oriented Evaporator & Condenser Catalog

Alfa Laval's extensive evaporation and condensation solutions! Providing effective models.

This catalog introduces Alfa Laval's future-oriented evaporators and condensers. From the space-saving AlfaVap evaporator and AlfaCond condenser to the popular downflow film evaporator FilmVap, as well as the dirt-resistant AlfaFlash evaporator to the surface scraping evaporator ConVap, we offer effective models. Please make use of this for product selection. [Contents (partial)] ■Reasons to use AlfaVap and AlfaCond ■AlfaVap ■Evaporator FilmVap ■Liquid distribution - An important element of downflow evaporators ■AlfaFlash *For more details, please refer to the PDF document or feel free to contact us.

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X-ray observation of electrolytic capacitors

X-ray observation of electrolytic capacitors

We conducted visual inspections and internal observations using X-ray CT on normal products and degraded products!

We would like to introduce the internal condition of aluminum electrolytic capacitors that have malfunctioned due to aging degradation, which was confirmed using X-ray CT. In degraded products, the internal pressure rises due to gas generated from the decomposition of the electrolyte, and as degradation progresses, there is a risk that the electrolyte may spout out due to the opening of the pressure relief valve. Additionally, it is believed that the gradual volatilization of the electrolyte occurs due to the deformation of the rubber cap, leading to eventual capacity loss and open failure. 【Overview】 ■Appearance Comparison - Conducted visual inspection of normal and degraded products. ■Internal Comparison using X-ray CT - Conducted internal observation of normal and degraded products using X-ray CT. *For more details, please refer to the PDF document or feel free to contact us.

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Cross-sectional observation of substrate-mounted components (1) to (6)

Cross-sectional observation of substrate-mounted components (1) to (6)

Introducing the "Observation Mode" of a chip capacitor (MLCC) under a microscope!

We would like to introduce an example of cross-sectional observation of mounted components conducted by our company. Using commercially available computer circuit boards, we observed the solder joints of mounted components and the internal structures of the components with a metal microscope. The observation modes of the metal microscope include bright field observation, dark field observation, and polarized light observation, among others. Additionally, there are observations using transmitted light, and the observation mode is selected according to the sample. By conducting cross-sectional observations before and after reliability testing, we can evaluate the reliability of the product. When observing, it is important to select an appropriate "observation mode" to clearly capture the condition of the solder joint interface and defects such as cracks. [Case Overview] ■ Using commercially available computer circuit boards ■ Observing the solder joints of mounted components and the internal structures of the components with a metal microscope ・Observation modes: bright field observation, dark field observation, polarized light observation, etc. *For more details, please refer to the PDF document or feel free to contact us.

  • Parts and Materials
  • Capacitor

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[Data] Shirutoku Report No. 7 #Electrolytic Capacitor #Photocoupler

[Data] Shirutoku Report No. 7 #Electrolytic Capacitor #Photocoupler

If you have any concerns, whether related to new designs or production discontinuation, please feel free to consult with us.

★★Shirutoku Report: Useful Information You Can Benefit From★★ Power supply equipment includes electrolytic capacitors, photo couplers (optical communication devices), relays, and other components that must meet the product's lifespan requirements. There are many methods for verifying lifespan through lifespan calculations and electrical evaluations. This report introduces examples of electrical evaluations. [Contents] ■Electrolytic Capacitors ■Photo Couplers *For more details, please refer to the PDF document or feel free to contact us.*

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Smooth film capacitor

Smooth film capacitor

Introduction to Smoothing Film Capacitors for Power Electronics

Low inductance, absolute confidence in high frequency and large current! ■ Achieved low inductance through accumulated design know-how! ■ High ripple current tolerance per capacitance allows for miniaturization. ■ Our unique fuse pattern avoids short mode while achieving low heat generation at high currents (patent pending). ■ Using metallized polypropylene film as the dielectric ensures a longer lifespan compared to electrolytic capacitors. * Custom solutions are available. For more details, please refer to the PDF document or feel free to contact us.

  • Parts and Materials
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Smooth Film Capacitor [LC79P Series]

Smooth Film Capacitor [LC79P Series]

High capacity, low loss type! Long lifespan and stable capacitance.

The "LC79P Series" is a large-capacity, low-loss type of film capacitor for smoothing applications. It has excellent capacitance accuracy, with minimal changes due to operating temperature, and allows for high-precision design with small initial capacitance deviation. This product is not intended for use with pulse currents or pulse voltages; it is a capacitor specifically designed for smoothing circuit applications. 【Features】 ■ High ripple current tolerance per capacitance allows for miniaturization ■ Unique safety mechanism from Soshin Electric prevents short-circuit mode ■ Long lifespan due to the use of polypropylene film as the dielectric ■ Low inductance due to the structure of the internal electrode plates ■ Customizable mounting shapes for the case and terminals *For more details, please download the PDF or feel free to contact us.

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EMI suppression film capacitors (X capacitors and Y capacitors)

EMI suppression film capacitors (X capacitors and Y capacitors)

Film capacitors compliant with overseas safety standards.

◆TAITSU Overview We are a manufacturer engaged in the development and production of film capacitors. We pursue the development of higher quality and more reliable products across various fields, including automotive applications, industrial uses, and consumer electronics. Our product lineup includes capacitors for hybrid and electric vehicles, as well as capacitors for solar panels and wind power generation. ◆International Standards Acquired VDE, UL, CQC ◆Moisture Resistance Grade We offer the highest level of Class 3B (85°C, 85%, rated voltage, 1000h) in our lineup.

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Ultra-high performance air conditioner condenser <Manufactured by Radleys>

Ultra-high performance air conditioner condenser <Manufactured by Radleys>

Next-generation capacitors: safe, robust, low-cost, high-efficiency.

More than 95% of water-cooled condensers in general chemical equipment can be replaced with Findenser.

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Power capacitors: Reducing CO2 emissions by lowering losses in electrical equipment!

Power capacitors: Reducing CO2 emissions by lowering losses in electrical equipment!

By installing capacitors, we will use electricity efficiently, reduce energy consumption and CO2 emissions, and also lower costs.

This catalog introduces the "Power Capacitors" and related equipment handled by Nissin Electric Trading. By using capacitors to improve power factor, unnecessary current flowing through transformers and distribution lines is reduced, which lowers losses in electrical equipment and demonstrates energy-saving effects. Additionally, it can significantly reduce electricity costs and further improve the utilization efficiency of electrical equipment. Please make use of Nissin Electric's capacitors to promote resource conservation and energy saving. 【Contents】 ■ OF-type high-voltage power factor correction capacitors ■ Dry-type high-voltage power factor correction capacitors ■ Oil-filled series reactors for high-voltage power factor correction capacitors ■ Molded dry-type series reactors for high-voltage power factor correction capacitors ■ Molded dry-type discharge coils for high-voltage power factor correction capacitors ■ Reference materials *For more details, please refer to the PDF document or feel free to contact us.

  • Substation equipment
  • Capacitor

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AC adapter 24V4A maximum output 96W Japanese-made electrolytic capacitor

AC adapter 24V4A maximum output 96W Japanese-made electrolytic capacitor

We handle various types of AC adapters.

● 96W, ultra-compact AC adapter ● Obtained global safety certifications (PSE, UL, CE) ● Compliant with tracking resistance tests and glow wire flammability tests ● Despite its small size, it incorporates an insulated transformer ● Wide input compatibility (AC100–240V) ● Manufactured by major OEM companies for longer and more reliable use ● Utilizes electrolytic capacitors from Japanese manufacturers (Nichicon, Rubycon) that are high-reliability products with a durability of over 4000 hours at 105°C.

  • Company：サクル
  • Price：Less than 10,000 yen
  • DC Power Supply
  • Capacitor

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[Blog] The Difference Between Capacitors and Condensers

[Blog] The Difference Between Capacitors and Condensers

What is the difference between a capacitor and a condenser? We will introduce the types of large-capacity capacitors.

In the context of batteries and energy storage devices, terms like "capacitor" and "condenser" are often used, but many people may not understand their meanings or differences. In this blog, we will introduce the differences between capacitors and condensers, as well as their original meanings and types. For more details, please refer to the related links. [Contents] - Differences between capacitors and condensers - What is a capacitor? - Differences between batteries and capacitors - Types of large-capacity capacitors - Summary of the differences between capacitors and condensers *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

  • Batteries and Capacitors
  • Capacitor

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Parallel flow condenser

Parallel flow condenser

Stable cooling performance for air conditioning systems! We manufacture condensers in your desired size.

The "Parallel Flow Condenser" is a product that can condense and liquefy refrigerant gas by cooling it. Based on the know-how cultivated in our main business of manufacturing heat exchangers for vehicles, we produce condensers in the desired size using aluminum materials. The core sizes are 16 to 22 mm in thickness, 200 to 900 mm in height, and 124.6 to 349.6 mm in width. [Model Numbers] ■KPC159833 ■KPC220013 ■KPC250836 ■KPC253836 ■KPC259038 ■KPC290038 *For more details, please refer to the PDF document or feel free to contact us.

  • Air conditioning equipment
  • Capacitor

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