Capacitor Manufacturers

Abracon manufactures high-performance supercapacitors utilizing advanced Electrical Double-Layer Capacitor (EDLC) technology. These components offer excellent energy and power density, serving various industrial and commercial applications requiring efficient and robust power solutions. The company specializes in a broad range of electronic components.

Based in Clearwater, FL, Advanced Power Conversion Solutions Inc. specializes in high-performance capacitor solutions. They manufacture high-temperature film capacitors, DC link capacitors, and high peak current capacitors with low ESR. Their products offer optimal power density for demanding applications in Formula E, electrified aviation, pulsed power, and grid-tied systems.

Based in San Diego, CA, AFM Microelectronics specializes in manufacturing high-quality HI-Q Capacitors. The company also produces a range of other essential RF/Microwave and MRI components. They deliver precision-engineered solutions for demanding industrial and commercial clients, focusing on specialized electronic component needs.

Based in Tucson, AZ, Arizona Capacitors, Inc. designs and manufactures standard and custom wound film capacitors. Specializing in products for industrial and military applications, the company holds MIL-STD-790 and Mil-C-25 qualifications. With over 70 years of experience, they also provide specialty metalized plastic capacitors.

ASC Capacitors, a division of American Shizuki Corporation, manufactures high-quality film and foil capacitors. Based in Ogallala, NE, the company operates as a U.S. producer with its own facilities. It focuses on providing a range of capacitor products for industrial and commercial applications across various sectors.

CalRamic Technologies LLC is a USA manufacturer of high voltage ceramic capacitors, based in Reno, NV. ISO 9001:2015 certified, the company provides reliable solutions with short lead times and various C-V values for demanding applications. They serve geophysical, military, aerospace, radar, and power industries.

Based in Kilgore, TX, Steelman Industries, Inc. manufactures capacitors, including power factor correction equipment with automatic and fixed units. They also produce rotary and static phase converters. Established in 1957, Steelman provides dependable products for various industrial applications.

Based in Valencia, CA, Capax Technologies Inc. specializes in designing and manufacturing high-quality single and multilayered capacitors. They utilize ceramic and metallic raw materials for commercial and military RF and Microwave applications. The company offers standard and customized solutions, operating from an ISO 9002 certified facility.

Based in Tipp City, OH, Captor Corporation specializes in the design, engineering, manufacturing, and assembly of custom feedthru capacitors. They produce solutions tailored to unique specifications and applications for various industrial clients.

Cornell Dubilier manufactures a comprehensive range of high-quality capacitors, including aluminum electrolytic, polymer, film, mica, supercapacitors, and ceramic types. Specializing in solutions like hermetic aluminum electrolytic capacitors, the company serves the power electronics industry with advanced component alternatives.

United Chemi-Con Inc. manufactures and supplies a wide range of aluminum electrolytic capacitors for North American markets. As a wholly owned subsidiary of Nippon Chemi-Con Corporation, the company offers over 8,000 unique products, focusing on innovative and customer-centric technology solutions for various electronic applications.

Based in Ventura, CA, CIC USA specializes in manufacturing supercapacitors, providing a safer and more efficient solution for diverse energy applications. Their advanced supercapacitors are used in solar + storage, backup power, peak shaving, and energy arbitrage systems for industrial and commercial use.

Based in Oneonta, NY, Custom Electronics manufactures high-voltage mica and metallized polypropylene film capacitors. The company provides custom capacitor packages, electronic sub-assemblies, bus bars, and magnetic solutions for military, industrial, and commercial markets. It is AS9100 and ISO9001 certified.

Electronic Concepts Inc. is a US-based manufacturer of film capacitors, specializing in high-performance solutions with low inductance and high current carrying capabilities. Their products are suitable for high power AC filtering and demanding filter applications. The company operates with AS9100D and ISO certifications.

Based in Pomona, CA, Electrocube is a U.S. manufacturer of passive and power electronic components and assemblies, founded in 1961. The company specializes in unique, custom-designed, R&D prototypes and made-to-order precision components, alongside a full complement of standard parts. It serves OEMs and contract manufacturers.

Empower Semiconductor, based in Milpitas, CA, manufactures advanced E-CAP silicon capacitors. These products provide power integrity and vertical power delivery solutions for high-performance applications, including AI and HPC processors, aiming to enhance reliability and address critical supply chain needs.

EFC Wesco is a custom capacitor manufacturer based in Waterbury, CT. They specialize in C-SERIES DC link capacitors, offering a vast and evolving product portfolio. The company provides outstanding customer service and supports clients in building their custom part numbers.

General Atomics manufactures very high voltage capacitors designed for specialized applications. These capacitors are typically used under oil for pulse shaping or peaking within large pulse power systems. The company is broadly involved in energy, defense, unmanned aircraft systems, and advanced technologies.

Based in Parkesburg, PA, High Energy Corp. manufactures high voltage and high frequency capacitors for diverse applications. The company provides a one-week lead time for standard capacitor products, ensuring quick turnaround for industrial and commercial customers requiring specialized components.

IOXUS manufactures ultra capacitor cells and modules, providing energy storage solutions for transportation, industrial, and grid-connected applications. The company operates manufacturing facilities in the US and Japan, focusing on power and stability. IOXUS is ISO 9001:2015 certified for its production processes.

Based in Camarillo, CA, Johanson Technology manufactures high-frequency ceramic solutions. They specialize in antennas, low-loss high-Q and single-layer capacitors, and integrated passive components. The company also offers custom ceramic solutions for various applications.

Meritek Electronics Corporation produces passive components, including a wide range of capacitors, alongside advanced circuit protection devices and semiconductors. Serving the electronics manufacturing industry, they offer component solutions for applications like IoT, Industrial Controls, Automotive, and Power Supplies. The company also supports custom designs.

NEPSI specializes in manufacturing medium-voltage metal-enclosed power capacitor banks and harmonic filter banks. Based in Queensbury, NY, the company provides solutions for power factor correction and harmonic distortion mitigation on electric power systems. They offer application, design, and support for their capacitor and filter systems.

Based in Schaumburg, IL, Nichicon manufactures advanced capacitor technologies. The company offers high-reliability chip-type conductive polymer aluminum capacitors with industry-leading ripple current capability, low ESR, and long life. Nichicon supplies these components for demanding automotive and industrial applications.

Based in Edgerton, OH, Oren Elliott Products, LLC is a manufacturer of air-dielectric variable capacitors. The company specializes in both standard and highly customized capacitor solutions, with 99% of its products tailored to specific client needs. They also provide planetary reduction drives for precise tuning.

Based in Morgan Hill, CA, Pacific Capacitor Co. designs and manufactures high voltage mica capacitors. These specialized components serve critical defense, aerospace, medical, and industrial applications, emphasizing performance and reliability. All products are designed and manufactured in the United States.

Passive Plus manufactures high-performance RF/Microwave passive components, specializing in various capacitor types including high-Q/low ESR, single layer, thin film, and variable trimmer capacitors. They provide custom capacitor assemblies and thin film components for the medical, military, semiconductor, and telecommunications industries.

Pentalabs is a recognized manufacturer based in Newbury Park, CA, specializing in fixed and variable capacitors. The company also produces vacuum relays, providing OEM equivalents for brands like Gigavac Sensata, Comet, and Jennings. They have been serving the industry for decades with their capacitor and relay manufacturing expertise.

Presidio Components, Inc. manufactures 100% U.S. made ceramic capacitors, offering a wide range of products including multilayer ceramic chips, power stacks, high frequency, and high-temperature capacitors. They also provide custom stack and assembly solutions, serving various industrial applications.

Based in Lynchburg, VA, Quantic Paktron manufactures multi-layer polymer film capacitors, leveraging over 60 years of expertise. They utilize proprietary interleaf technology for superior performance, delivering lower ESR and ESL for high-frequency applications in defense, aerospace, automotive, industrial, and telecom markets.

Based in Nokomis, IL, RONK ELECTRICAL INDUSTRIES manufactures American-built power factor correction capacitors to enhance wiring capacity and reduce power loss. The company also offers emergency generator tap boxes and portable generator accessories, providing comprehensive power solutions. They operate a Quick Ship program for in-demand electrical equipment.

Based in Dallas, TX, Supercap Energy Storage specializes in advanced supercapacitors, which merge capacitor qualities with advanced battery technology. These innovative energy storage solutions offer a 10X longer lifespan compared to lithium batteries, providing superior performance with faster charge and discharge capabilities for diverse industrial applications.

Surge Components specializes in a comprehensive range of capacitors, offering Aluminum Electrolytic, Film, and Ceramic Capacitors. The company provides global support with dedicated sales and customer service teams for the Americas, EMEA, and APAC regions, serving industrial and commercial B2B customers.

Based in San Diego, CA, Tecate Group is a global manufacturer and supplier of electronic components and assemblies. They specialize in high-quality ultracapacitors, capacitors, and custom power solutions for diverse energy-storage needs. Tecate serves numerous markets, including military, industrial, medical, and transportation.

Solar Electronics manufactures 10 µF feed-thru capacitors. These specialized components are designed for RFI/EMI test setups, meeting stringent standards such as MIL-STD-461A/462A. The company focuses on robust solutions for electromagnetic compatibility testing environments, providing essential accessories for complex test setups.

Based in Morgan Hill, CA, Tecdia specializes in the manufacturing of single layer ceramic chip capacitors. These ultra-precision components are designed for microelectronic circuits, particularly for high-frequency applications and photonics, offering advanced quality and capabilities.

Based in San Diego, CA, Wright Capacitors, Inc. manufactures specialized multi-layer and single-layer ceramic capacitors. The company also produces custom capacitor assemblies, providing essential components for various industrial and commercial B2B applications.

Exxelia manufactures high-reliability passive components and subsystems, including an extensive range of capacitors. They specialize in film, ceramic, mica, electrolytic, and power capacitors, serving demanding applications across aerospace, defense, medical, and industrial sectors. Exxelia operates a capacitor manufacturing facility in Minneapolis, MN.

florrent develops and engineers supercapacitor-based solutions to enhance power quality and reliability. Their technology provides an energy boost for short-duration power issues, aiming to contribute to the future of reliable electricity during the energy transition.

Based in Gardena, CA, Shine Capacitors LLC specializes in the manufacturing and distribution of high-quality capacitors. The company produces components for diverse applications and industries.

Maxwell Technologies, based in Glendale, WI, develops and manufactures advanced ultracapacitor products for energy storage and power delivery solutions. They serve consumer and industrial electronics, renewable energy, automotive, transportation, and information technology markets with robust cells and modules.

Based in Battle Creek, MI, Musashi Energy Solutions manufactures Hybrid SuperCapacitor (HSC) cells, modules, and systems. These high-power density energy storage solutions serve diverse needs across electrified transportation, fuel cells, mission-critical power protection, renewables, and microgrids.

Sparkos Labs, LLC designs and manufactures high-performance discrete electronic components, including power supply decoupling capacitors, in the United States. Their ultra-low ESR ceramic and X7R multilayer ceramic capacitors are engineered to minimize noise and provide clean power. They serve demanding industrial and high-fidelity audio applications.

Based in San Antonio, TX, Vishay manufactures a wide range of capacitors, including High Voltage and Ceramic types. As a global leader in semiconductors and passive electronic components, the company supplies essential parts for diverse industrial and commercial applications through its US-based facilities.

Based in New York, NY, Wright Energy Storage Technologies specializes in developing advanced electrostatic supercapacitors. These high-performance components offer a 45-year design life, a 20-year warranty, and feature zero thermal runaway, providing reliable and safe energy storage solutions for industrial applications.

Based in Vista, CA, CSI Capacitors is a manufacturer of high voltage capacitors, founded in 1969. The company specializes in pulse power and high energy density capacitors designed for long life, offering custom designs for various applications, including ultra, audio, and motor capacitors.

Based in Camarillo, CA, Johanson Dielectrics specializes in manufacturing custom capacitors. They offer highly customizable designs for pitch, shape, voltage, lead format, and capacitance, making their products ideal for non-standard PCB layouts and high-capacitance applications.

Knowles Capacitors manufactures a wide variety of high reliability multilayer, single layer, and trimmer capacitors. They also produce thin film filters, serving industries such as automotive, industrial, medical, military, space, and telecom.

PolyCharge America, Inc. develops pioneering NanoLam™ capacitor technology for the new electric world. The company specializes in high energy density, high temperature capacitors with stable performance and long life. These innovative capacitors are ideal for SiC and GaN power systems, offering dynamic form factors for advanced applications.

Based in East Providence, RI, Quantic Evans manufactures high-energy density capacitors using patented hybrid wet tantalum technology. They provide mission-critical solutions for defense, aerospace, and energy exploration, focusing on high reliability and SWaP savings for demanding applications.

Quantic UTC manufactures high-reliability multilayer ceramic capacitors (MLCCs) and radial lead capacitors. Serving demanding defense, aerospace, telecommunications, and industrial markets, the company ensures reliable performance in harsh environments. Their product portfolio includes surface mount and SMPS capacitors, meeting stringent MIL-STD specifications for mission-critical electronic components.

American Capacitor Corporation specializes in manufacturing specially made and low-cost custom capacitors. The company is an approved Mil-I-45208 manufacturer, identified by FSCM 59366, serving industrial and commercial clients with specialized capacitor needs.

Hubbell Power Systems produces factory-assembled, pre-wired, standard capacitor banks. These solutions simplify reactive power reduction for cooperatives and public power utilities, providing trusted infrastructure solutions since 1888.

Based in Itasca, IL, Knowles manufactures a wide range of high-performance capacitors, including ceramic, film, electrolytic, mica, and supercapacitors. The company serves demanding applications in medtech, defense, electrification, and industrial markets with its components and RF filtering products.

Panasonic manufactures a comprehensive range of capacitor solutions for industrial applications. They specialize in innovative polymer capacitors and supercapacitors, catering to sectors like data centers, AI systems, edge computing, and telecommunications. The company offers a vast selection of electronic components.

Schneider Electric USA designs and manufactures a broad portfolio of electrical distribution and industrial automation products. The company offers advanced power factor correction solutions, including VarSet Low Voltage Capacitor Banks, along with various energy management components and systems. They serve commercial, industrial, and residential customers across the United States.