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>>> Top USA and International Capacitor Manufacturers and Suppliers
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Introduction

Types of Capacitor Suppliers

US Capacitor Suppliers

Top 12 Global Supercapacitor and Ultracapacitor Manufacturers

Top 9 Key Global Lithium Capacitor Manufacturers

Introduction

Capacitors are passive electronic devices which perform a variety of important functions such as to store electrical charge, provide filtering of noise in electrical circuits, and supply a source of current under peak demand situations such as when starting the rotation of an electric motor from a static non-rotating state.

Types of Electrical Capacitor Suppliers

Capacitors vary in the materials used for their electrodes and dielectric layer sandwiched between the electrodes, which affects the electrical performance characteristics and useful life of the device. In this summary, we consider the top suppliers of capacitors and have segregated these into three main groups:

US- based suppliers of capacitors, which may include manufacturers or distributors of general styles of capacitors including electrolytic, mica, ceramic, film, and PTFE to name several common styles

US-based and global manufacturers of the specific type of devices known as Supercapacitors and Ultracapacitors

US-based and global manufacturers of Lithium-ion capacitors

Supercapacitors and Ultracapacitor Manufacturers

These global companies and startups manufacture Electric Double Layer Capacitors (EDLCs), commonly known as supercapacitors or ultracapacitors. EDLCs do not have any dielectrics in general, relying instead on an electric double layer (a dielectric layer is an insulator that can be polarized). These capacitors can be made with both non-water soluble and water -soluble electrolytes, which affect energy density and weight. They can also be built in a cylindrical or prismatic design (which is a flatter shape, like that of a cell phone battery). In cylindrical manufacturing, electrode cells are deposited onto a sheet and wound like a jelly roll into a cylinder. A casing maintains the capacitor’s shape. Cylindrical designs are more common, but more prismatic designs are evolving so that EDLCs can substitute for lithium-ion batteries in consumer electronics. Most established companies in this area are based in Japan, though many startups are located in Europe and the USA.

Lithium-ion Capacitor Manufacturers

A Lithium-Ion Capacitor (LIC) is an EDLC that uses a lithium-ion salt as the electrolyte solution. LICs are typically manufactured in a cylindrical form in the same manner as EDLCs, but prismatic forms are also emerging.

We've evaluated the top general suppliers of capacitors and top companies in both of these smaller categories below.

US Capacitor Suppliers

Below in Table 1, we have compiled information on the top 10 capacitor suppliers in the United States, sorted in descending order of annual sales. Table 1 also offers information on each company’s headquarters location and year founded. Sales are shown in US dollars.

Table 1: US-Based Capacitor Suppliers*

Company Headquarters Founded Annual Sales

F.W. Webb Company Bedford, MA 1866 $250+ Million
Mouser Electronics Mansfield, TX 1964 $250+ Million
Aerovox Corp. New Bedford, MA 1922 $25-49.9 Million
Admat, Inc. Norristown, PA 1997 $10-24.9 Million
NetSource Technology, Inc. San Clemente, CA 1997 $5-9.9 Million
Thermal Devices Mount Airy, MD 1975 $5-9.9 Million
Condenser Products, A Custom Capacitors Inc. Co. Brooksville, FL 1934 $1-4.9 Million
High Energy Corp. Parkesburg, PA 1971 $1-4.9 Million
Diamond Needle Corp. Carlstadt, NJ 1949 <$1 Million
bisco industries Anaheim, CA 1973 NA

Notes:

* Information as supplied on Thomasnet.com company profiles

Capacitor Manufacturers in USA — Company Summaries

F.W. Webb Company, based in Bedford, MA, offers start and run capacitors between 110 and 440 volts. Capacitors are available in reversible, clockwise, and counterclockwise rotation. It also offers other pump, circulator, motor, heating, and cooling products.

Mouser Electronics distributes ceramic, MLCC, tantalum, aluminum, film, organic, polymer, super, and ultracapacitors, among others. It also offers capacitor hardware and kits, and is based in Mansfield, TX.

Aerovox Corp., based in New Bedford, MA, offers defibrillator, lighting, microwave, motor run, general purpose, power factor correction, pulse, custom, snubber, UPS, and high voltage AC and DC film capacitors.

Located in Norristown, PA, Admat, Inc. distributes tantalum hybrid capacitors as well as capacitor lead sealing. It also offers other refractory metal products and parts.

NetSource Technology, Inc. offers capacitor types including molded tantalum, ceramic, thin film, radial electrolytic, and niobium oxide. The company is based in San Clemente, CA.

Thermal Devices, in Mount Airy, MD, distributes power factor correction capacitors, as well as other low voltage products.

Condenser Products, A Custom Capacitors Inc. Co., is based in Brooksville, FL. It offers high voltage oil-filled capacitors in various container configurations.

High Energy Corp., in Parkesburg, PA, offers ceramic, metallized film, water-cooled, and oil- filled high voltage capacitors.

Based in Carlstadt, NJ, Diamond Needle Corp. distributes capacitors as parts for sewing machines.

bisco industries, headquartered in Anaheim, CA, offers a variety of capacitors, as well as other electronic components, fasteners, and hardware.

Top 12 Global Supercapacitor and Ultracapacitor Manufacturers

The top 12 global EDLC manufacturers are summarized in Table 2 below, in alphabetical order. These manufacturers include startups and conglomerates that develop and manufacture EDLCs.

Also shown in Table 2 is the country in which the manufacturer is headquartered as well as estimated financing for startups and revenue data for those companies where financial data was reported.

Table 2: Top 12 Global Supercapacitor and Ultracapacitor Manufacturers

Company Country Founded Estimated Financing* Revenue**

1 Cellergy USA 2002 NA NA
2 Ioxus USA 2007 $160.1 Million NA
3 Maxwell Technologies USA 1965 NA $130.4 Million
4 Murata Manufacturing Japan 1944 NA NA
5 Nanoramic Laboratories USA 2008 $9 Million NA
6 Nec Tokin Japan 1938 NA $24.0 Billion
7 Nippon Chemi-Con Japan 1931 NA $1.02 Billion
8 Panasonic Japan NA $71.8 Billion
9 Paper Battery Company USA 2008 $5.7 Million NA
10 Skeleton Technologies Estonia 2009 $53.8 Million NA
11 Yunasko UK 2010 NA NA
12 ZapGo UK 2013 $18.2 Million NA

Notes:

* Financing as reported on Crunchbase as of August 8, 2018 and converted to US dollars using foreign exchange rates as of August 9, 2018.

**Revenue is based on fourth quarter reported values, reported as of 2017 and converted to US dollars using foreign exchange rates as of August 9, 2018.

Capacitor Manufacturers — Company Summaries

Cellergy designs, develops, produces and markets supercapacitors and ultracapacitors for the industrial, consumer, mobile, and medical electronic markets. Cellergy was purchased by the Israeli PCB group in 2010.

Ioxus’ EDLC and LIC product lines include iCAP ultracapacitors, iMOD modules, and THiNCAP. Serves the hybrid automotive, hybrid bus, wind turbine pitch control, UPS, and industrial markets.

Maxwell Technologies offers products for commercial applications, including commercialized EDLCs, high voltage capacitors, and microelectronic components and systems. In 2017 it purchased Nesscap Energy, a leading developer and manufacturer of EDLCs.

Murata Manufacturing is involved in the development, manufacture, and sales of electronic parts, including components for capacitors and piezoelectric products.

Nanoramic Laboratories, formerly known as FastCAP Systems, specializes in nanocarbon materials. Its ultracapacitor division, FastCAP Ultracapacitors, specializes in harsh environment energy storage, producing the only ultracapacitors capable of operating in temperatures up to 150oC and under conditions of high shock and vibration.

Nec Tokin manufactures electronic components and devices. The product portfolio of the company includes conductive polymers, super capacitors, tantalum capacitors, and proadlizers. It also offers transformers, choke coils, EMI countermeasure parts, piezoelectric ceramics, piezoelectric inverters for cold cathode tubes, multilayer piezoelectric actuators, and flex suppressors. Its EDLCs are utilized in A&V equipment and telecommunication equipment as environmentally safe back-up power supplies.

Nippon Chemi-Con develops various electronic components, including aluminum electrolytic capacitors.

Panasonic is involved in the manufacture of EDLCs used for heavy power supply applications. It is one of the group companies under Panasonic, which is comprised of more than 680 companies involved in the manufacturing of electronic products.

Paper Battery Company, or PBC Tech, manufacturers ultrathin supercapacitors as replacements for lithium batteries. It offers ultrathin supercapacitors of 1 Farad. The company targets the consumer electronics, wearables, and wireless sensor markets.

Skeleton Technologies manufactures and develops EDLCs with high energy and power density. The company serves the transportation, automotive, industrial, and renewable energy markets. It also offers high-end carbon and adsorption materials.

Yunasko develops EDLCs and LICs with prismatic designs. Its R&D facility is located in Ukraine. Yunasko EDLC cells are manufactured in special prismatic encasements made from multi-layered laminated aluminum foil. Depending on the number of cells connected in series, the module can handle the voltage range from 2.7V (single cell) up to 750V (large assemblies of cells).

ZapGo derived its trademarked carbon-ion technology in partnership with Oxford University. The company is at the proof of concept stage with a number of prototype demonstrators. Its power module is due to enter the production phase in 2018.

Top 9 Key Global Lithium Capacitor Manufacturers

Nine major global LIC manufacturers are summarized in Table 3 below, in alphabetical order. These manufacturers include startups and conglomerates that develop and manufacture LICs. Several of these companies manufacture EDLCs.

Also shown in Table 3 is the country in which the manufacturer is headquartered, as well as estimated financing for startups and revenue data for those companies where financial data was reported.

Table 3: Top 9 Key Global Lithium Capacitor Manufacturers

Company Country Founded Estimated Financing Revenue
1 Fujikura Japan 1843 NA $5.9 Billion
2 General Capacitor USA NA NA NA
3 Ioxus USA 2007 $160.1 Million NA
4 JM Energy Corporation Japan 2007 NA NA
5 Maxwell Technologies USA 1965 NA $130.4 Million
6 Nawa France 2013 NA NA
7 Silatronix USA 2007 $13.6 Million NA
8 Taiyo Yuden Japan 1950 NA $2.2 Billion
9 Yunasko UK 2010 NA NA


Company Summaries

Fujikura is a Japanese conglomerate that manufactures optics, cables, and electronics for the telecommunications, energy, transportation, manufacturing, and digital electronics industries. In 2016 it announced that it had developed a small LIC with an energy density five times higher than an EDLC and two times higher than any other LIC.

General Capacitor is located in Tallahassee, FL, USA. It is a startup partnered to the U.S. Army Research Lab and contractor to the US Department of Defense. It specializes in R&D, marketing, and manufacturing of patented high performance LIC and hybrid electrochemical capacitors.

Ioxus’ EDLC and LIC product lines include iCAP ultracapacitors, iMOD modules, and THiNCAP. It serves the hybrid automotive, hybrid bus, wind turbine pitch control, UPS, and industrial markets.

JM Energy Corporation started as a member of the JSR group in August 2007 and developed the world’s first lithium ion capacitor at the end of 2008. It now develops, manufactures, and markets lithium ion capacitors, a new type of electricity storage device. In 2011, JM Energy Corporation announced that it had developed the world’s first flat prismatic lithium ion capacitor and associated control module.

Maxwell Technologies offers lithium-ion capacitors. Compared to traditional ultracapacitors, lithium-ion capacitors triple energy density and reduce the total weight of the energy storage system by 50 percent.

Nawa Technologies has a unique nanoscale structure and one-step roll-to-roll manufacturing process that enables the mass manufacturing of its technology. Its NAWACAP achieves power densities more than five times higher than existing ultracapacitors.

Silatronix is the leading producer of patented Organosilicon (OS) materials that enable extreme performance in Li-ion batteries.

Since its establishment in 1950, Taiyo Yuden has offered leading edge technology in capacitors, inductors, circuit products, surface acoustic wave (SAW)/film bulk acoustic resonator (FBAR) devices, energy devices, and recording media. It targets the telecommunications, Internet of Things (IoT), and energy industries.

Yunasko develops EDLCs and LICs. Its R&D facility is located in Ukraine. Yunasko LICs are available in prismatic cells and can be assembled into modules with 15-450 volt ranges.

Conclusion

Above we’ve listed the top 10 US suppliers of capacitors, the top 12 supercapacitor and ultracapacitor manufacturers, and the top 9 global lithium ion capacitor manufacturers. Many of these companies are emerging startups, so expect the landscape to be continually changing and developing.

We hope this information has been helpful to you in your supplier search. To make your own custom lists of capacitor suppliers in your area, visit the Thomas Supplier Discovery Platform, which features over 500 capacitor suppliers.

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