Würth Elektronik
VPT, Inc.
Vicor Corporation
TTE Filters
Tri-Mag, LLC
The Zippertubing Co.
Temwell
TDK Electronics
TCI, LLC
STMicroelectronics
Spyraflo, Inc.
Spectrum Control

62 EMI/RFI Filter Manufacturers in 2024

This section provides an overview for emi/rfi filters as well as their applications and principles. Also, please take a look at the list of 62 emi/rfi filter manufacturers and their company rankings. Here are the top-ranked emi/rfi filter companies as of April, 2024: 1.RF Immunity Ltd., 2.NSK Americas, Inc., 3.Electrocube.

Table of Contents

List of 62 EMI/RFI Filter Manufacturers

*Including some distributors, etc.

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    • Vicor Corporation
      • United States of America Address: 25 Frontage Road, Andover, Massachusetts, United States of America

      Manufacturer Overview

      Vicor Corporation, incorporated in 1981, is a global company headquartered in Andover, Massachusetts, that designs, manufactures, and markets modular power components and complete power systems. The company supports customers to efficiently convert and manage power from the wall plug to the point-of-load. Their customized power systems can provide specific solutions to the customer from modular, plug-and-play components to semiconductor centric solutions. They have a number of patented technologies based on modular power components. Their continual advances in power delivery architectures, conversion topologies and packaging technology will keep their customers ahead in system efficiency and density.

    • Genisco Filter
      • United States of America Address: 294 Southbridge Road,Charlton, Oklahoma, United States of America

      Manufacturer Overview

      Genisco Filter is a manufacturer of EMI/RFI (Electromagnetic Interference/Radio Frequency Interference filters since 1999. Headquartered in Oklahoma, USA, the company's product lineup includes power line filters, communication filters, fire alarm filters, and high amp filters. The company also offers custom filter solutions tailored to its client's specific needs. All of its filters are UL-certified. EMI/RFI filters help protect against equipment damage caused by EMI/RFI interference and can also improve performance by reducing noise, ensuring the safety of your equipment and personnel. The company serves various industries including, electronics, aerospace and defense, telecommunications, and more.

    • KEMET
      • United States of America Address: 1 East Broward Boulevard, Fort Lauderdale, Florida, United States of America

      Manufacturer Overview

      KEMET has a portfolio of over 1,600 patents serving the automotive, aerospace, industrial, telecommunications, computing, consumer, and medical devices. KEMETs devices provide filtering, sensing, energy storage, power conversion, and haptic actuator technology. Among these devices are capacitors, electromagnetic compatibility (EMC) components, resistors, circuit protection devices, inductors, sensors, Piezoelectric devices, release, transformers, and engineering kits.

    • Carlisle Interconnect Technologies
      • United States of America Address: 100 Tensolite Drive St. Augustine, Florida, United States of America

      Manufacturer Overview

      Carlisle Interconnect Technologies, founded in 1940 as Tensolite, is a vertically integrated manufacturer and supplier of comprehensive wire and cable solutions. They design, build, test, certify and deliver a diverse portfolio of connectors, cables, harnesses, and RF/microwave products. The company is AS9100D, ISO 9001:2015, ISO 14001:2015, ISO 13485:2016, ISO 50001:2018 certified. With facilities in the US, Mexico, China, and Europe, they serve global markets of Aerospace, Military, Space, Test and Measurement, Industrial, and Medical Technology. They are ITAR and FDA Registered as well as RoHS/REACH and CFR Part 820 Compliant.

    • Glenair
      • United States of America Address: 1211 Air Way Glendale, California, United States of America

      Manufacturer Overview

      Glenair, established in 1956, is a manufacturer and supplier of connectors and cables for mission-critical land, sea, air, and space applications, and is headquartered in Glendale, California, USA. Their range of products includes connectors, backshells, cable assemblies, conduit systems, and accessories, used for transmitting large volumes of data for smooth communication and operation of critical systems. These products serve industries such as aerospace, defense, oil and gas, and telecommunications. Glenair holds both ISO 9001 and AS9100 certifications.

    • Alpha Wire Co.
      • Alpha Wire Co.
        Tapes

      • United States of America Address: 128 Tolman Ave, Leominster, Massachusetts, United States of America

      Manufacturer Overview

      Alpha Wire, founded in New York in 1922, is a wire and cable solutions manufacturer. They offer products for diverse industries and applications. Alpha Wire's cables and wires are designed for durability in demanding environments and extreme temperatures. Driving continuous technological advancements, Alpha Wire has a customer-centric approach, providing service and technical support. With a global existence and certifications such as ISO 9001 and ISO 14001, Alpha Wire delivers wire and cable solutions to businesses worldwide.

    • The Zippertubing Co.
      • United States of America Address: 7150 W. Erie St. Chandler, Arizona, United States of America

      Manufacturer Overview

      Zippertubing Co., is a manufacturer of protective coverings and solutions for cable management, was established in 1957 in the United States. The company offers a range of products and services, including heat-shrink tubing, EMI shielding, and jacketing materials. They serve multiple industries, such as aerospace, automotive, and military. From under the sea to outer space, they have prototyped, built, and shipped custom-engineered solutions for every type of industry and application. They specialize in creating custom products in-house from beginning to end.

    • Electri-Flex Co.
      • United States of America Address: 222 West Central Avenue Roselle, Illinois, United States of America

      Manufacturer Overview

      Electri-Flex Company, founded in 1995 and located in Roselle, Illinois, is a manufacturer of electrical conduit. The company offers a wide range of products including jacketed metallic conduit, unjacketed metallic conduit, nonmetallic conduit, EMI/RFI shielded conduit, and Nylon-Corrlok conduit used to protect and route electrical wiring in a safe and organized manner, shielding cables from physical damage, moisture, and other environmental factors. Electrical conduit also ensures compliance with electrical code regulations and facilitates easier maintenance and future upgrades of the electrical system.

    • Brim Electronics, Inc.
      • United States of America Address: 120 HOME PLACE LODI, New Jersey, United States of America

      Manufacturer Overview

      Brim Electronics was established in 1975 and is based in Lodi, New Jersey, serving as a manufacturer and marketer of electronic equipment. The company manufactures and markets electronic and electrical wires, fastening devices, electronic fasteners, and ceramic insulators. Additionally, they perform secondary manufacturing activities such as harness/cable assemblies, cable dying, striping, cutting, and hot tin dipping. Their wire and cable products include UL/CUL and CSA certified flexible, ultra-flexible, commercial, and MIL spec wires and cables.

    • Electrocube
      • United States of America Address: 3366 Pomona Blvd. Pomona, California, United States of America

      Manufacturer Overview

      Electrocube, a company established in 1961 and based in Pomona, California, engages as a manufacturer of electrical components. It offers custom manufacturing for film capacitors like F-Dyne, Seacor, RC network, EMI, and RFI filters. It also manufactures transformers such as foil and current transformers, as well as transformer rectifier units. Its products serve aerospace, medical, military, and renewable energy industries. It adheres to RoHS, RoHS, and European REACH guidelines. In 2018, the company received the Silver Level of Boeing Performance Excellence Award. It also obtained ISO 9001:2015 and AS9100D certificates in designing, manufacturing, and distributing electronic passive and power components.

    • Americor Electronics
      • United States of America Address: 675 S. Lively Blvd. Elk Grove Village, Illinois, United States of America

      Manufacturer Overview

      Americor Electronics is a manufacturer of electric components headquartered in Elk Grove Village, Illinois, USA. Founded in 1988, the company specializes in producing electrical and electronic components, primarily power cords, cable assemblies, and related products. Its product portfolio includes cord sets, power relays, EMI filters, terminal blocks, AC/AC and AC/DC adapters, solenoids, and power transformers. The company serves a diverse range of industries including medical, industrial, and consumer electronics. The company holds the ISO9001:2015 certification and adheres to RoHS compliance standards. The company is a supplier to the OEM (Original Equipment Manufacturer) market.

    • Spyraflo, Inc.
      • United States of America Address: 404 Dividend Dr, Peachtree City, Georgia, United States of America

      Manufacturer Overview

      Spyraflo Inc., started in 1961 and based in Peachtree City, Georgia, is an ISO 9001-certified manufacturer of ROHS-compliant specialty bearings used in industries such as military and semiconductors. The company also manufactures custom bearing solutions for unique applications and stocks various bearings, including bronze, needle roller, and composite bearings. It also sells mounting options, shaft supports, and thread-ready standoffs. The bronze bearings are manufactured to SAE 840 and are oil-impregnated to cater to high-speed and medium-load applications. Its self-aligning ball bearings are ABEC 3 and self-align up to 5º to reduce alignment and assembly problems.

    • Qualtek Electronics Corporation
      • United States of America Address: 7610 Jenther Drive, Mentor, Ohio, United States of America

      Manufacturer Overview

      Qualtek Electronics Corporation, established in 1980, is a manufacturer of fans & fan accessories, power supplies, cable assemblies, primary power components, and heat shrink products. The fan accessories include farm guards, aluminum or plastic fan filters, and fan power cords for the primary power components, including inlets, multi-function assemblies, outlets, and powerline filters used in electronics industries. The company in Mentor, OH, is ISO 9001 and provides thermal circuit breakers, NEMA & IEC wiring devices, and sleeving processes, including automotive sleeving, coated and uncoated sleeving, and expandable sleeving.

    • BLOCK
      • United States of America Address: 10632 W. Grand Avenue, Franklin Park, Illinois, United States of America

      Manufacturer Overview

      BLOCK, over its 80-year history, has evolved into a global manufacturer of transformers, power supplies, reactors, and EMI filters. Its aim of controlled, rapid, and precise in-house production ensures the highest quality standards. A pivotal development center, featuring over 80 engineers and technicians, manages an extensive standard product portfolio while facilitating customization and product development. This allows the company to certify and deliver custom-made products within three weeks from its Verden production sites, ensuring quality across all stages of the development and manufacturing process.

    • Broadcom
      • United States of America Address: 1320 Ridder Park Drive San Jose, California, United States of America

      Manufacturer Overview

      Broadcom Inc., established in 1961, and headquartered in San Jose, California, is a manufacturer and supplier of semiconductor and connectivity solutions. The company specializes in producing products, such as semiconductors, infrastructure software, networking products, storage products, wireless products in which their products cater to industries such as telecommunications, data centers, and consumer electronics. Their products are used for various applications, including wireless communication, networking equipment, data storage, and multimedia devices, providing components for advanced technologies in numerous industrial and commercial sectors.

    • Frontier Electronics Corp.
      • United States of America Address: 667 East Cochran Street Simi Valley, California, United States of America

      Manufacturer Overview

      Frontier Electronics Corp., founded in 1972 and based in Simi Valley, California, is a manufacturer of passive components like diodes, MLCC capacitors, and magnetics such as air coils and transformers. The company can also provide customer-specific solutions, including manufacturing new components and technology or redesigning obsolete products to facilitate current manufacturing standards. It is ISO 9001 and IATF 16949 certified, and all its standard products are RoHS compliant. It is also WBENC-certified and ITAR-compliant and partners with several distributors like NRC, Chiptronics Inc., and Digi-Key Electronics.

    • Qorvo
      • United States of America Address: 7628 Thorndike Road Greensboro, North Carolina, United States of America

      Manufacturer Overview

      Qorvo, established in 2015, is a semiconductor manufacturer headquartered in Greensboro, North Carolina, USA, that specializes in providing RF (Radio Frequency) solutions. Their range of product offerings includes RF chips, modules, amplifiers, discrete transistors, and integrated circuits, designed to enable wireless communication, enhance defense systems, support automotive applications, facilitate aerospace operations, and enable connectivity in the Internet of Things (IoT) sector. Qorvo is certified with ISO 9001 for quality management and ISO 14001 for environmental management.

    • Dontech, Inc.
      • United States of America Address: 700 Airport Blvd, Doylestown, Pennsylvania, United States of America

      Manufacturer Overview

      Dontech, Inc. is a manufacturer of optical filters and components that was founded in 1971 in Doylestown, Pennsylvania, USA. The company produces optical filters and components used in various commercial and consumer electronics for display purposes. These include optical illuminators, rigid or flexible laminators, and complete optical assemblies such as touchscreen displays. Operating within AS9100D and ISO 9001:2015 certification standards, the company also offers additional design and testing services to customers with unique projects.

    • Ohmite
      • United States of America Address: 27501 Bella Vista Parkway, Warrenville, Illinois, United States of America

      Manufacturer Overview

      Ohmite, established in 1925 and headquartered in Warrenville, Illinois, is a manufacturer of resistive products. Their product offerings incldue wirewound resistors, thick film resistors for high temperature and humidity resistance, and chip resistors for space-constrained applications. Additionally, they provide power resistors designed to handle high currents and voltages, suitable for power supplies and motors. Ohmite's diverse product range also includes custom-designed resistors tailored to meet specific customer requirements. These products find extensive application across various industries, including electronics, automotive, and industrial.

    • Littelfuse, Inc
      • United States of America Address: 8755 West Higgins Road, Suite 500, Chicago, Illinois, United States of America

      Manufacturer Overview

      Littlefuse was founded in 1927 and headquartered in the United States. Littlefuse is a diversified industrial technology manufacturing company with customers globally. Littlefuse has products segments which are electronic, industrial, and transportation. Electronic segment products include fuses and fuse accessories, positive temperature coefficient resettable fuses, polymer electrostatic discharge suppressors, and varistors. Transportation products include blade, resettable, and high-current and high-voltage fuses, as well as battery cable protectors; fuses, switches, relays, circuit breakers, and power distribution modules.  The Industrial segment offerings include contactors, transformers, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems.

    • Knowles Capacitors
      • United States of America Address: 2777 Hwy 20 Cazenovia, New York, United States of America

      Manufacturer Overview

      Knowles Precision Devices, founded in 1985 in the USA, is a specialty component manufacturer of a wide variety of capacitors, microwave to millimeter wave components, thin film capacitors, and substrates. The company's performance microelectronics products include multi-layer ceramic capacitors, single-layer capacitors, trimmers, mm-wave filters, and resonators for use in critical applications in the military, medical, electric vehicle, and 5G market segments. Examples include radar, pacemakers, MRI equipment, electric vehicles, and mobile phone base stations.

    • Spectrum Control
      • United States of America Address: 8061 Avonia Road, Fairview, Pennsylvania, United States of America

      Manufacturer Overview

      Spectrum Control serves several markets including the wireless communication, military communication, aerospace, and high temperature industrial markets. Among the individual components Spectrum Control manufactures and develops are EMI filters; subsystems for signal conditioning and RF distribution; components including power dividers, limiters, filters, amplifiers, diode drivers, and rotary joints; as well secure communications solutions and rugged devices.

    • Power Dynamics, Inc
      • United States of America Address: 145 Algonquin Parkway Whippany, New Jersey, United States of America

      Manufacturer Overview

      Power Dynamics, Inc, founded in 1979, and located in Hanover, New Jersey, USA, is a manufacturer of power distribution and control equipment. The company offers various products, including electrical distribution panels, switchgear, motor control centers, and EMI filters, for efficient power management, enhanced safety, minimal interference, and streamlined operations. Industries such as manufacturing and construction, power generation, commercial buildings, and infrastructure use the products to ensure optimal and stable power distribution. The company's specialization in custom design allows for tailored solutions to meet specific requirements, such as smart monitoring and energy efficiency features for effective power management solutions.

    • TTE Filters
      • United States of America Address: 7426 Tanner Parkway, Arcade, New York, United States of America

      Manufacturer Overview

      TTE Filters, established in 1956 and headquartered in New York State, USA, is a manufacturer of optimal-performance RF and microwave filters. The company offers a diverse array of products, including cavity filters, ceramic filters, and lumped element filters, for precise signal control, improved signal-to-noise ratio, and enhanced communication system performance. Industries stretching from telecommunications and aerospace to defense and industrial electronics use the products to achieve optimal signal integrity and electromagnetic interference reduction. The specialization in custom filter design allows for tailored solutions to meet unique specifications and efficient RF and microwave filter solutions.

    • Premier Filters, Inc
      • United States of America Address: 952 N. Elm Street Orange, California, United States of America

      Manufacturer Overview

      Premier Filters, Inc, founded in 2021 in Orange County, California, USA, is a manufacturer of AC/DC, EMI power line filters for electromagnetic interference suppression. The comprehensive product line includes single-phase and three-phase EMI power line filters, DC EMI filters, AC EMI Filters, Delta Power line filters, and other filters. These filters provide benefits such as noise reduction, improved signal integrity, and compliance with EMC regulations. Electronics manufacturing, military, telecommunications, and medical equipment sectors use these products to ensure optimal operation and prevent EMI-related issues. The products have compact designs and advanced-performance equipments, making them suitable for compact space applications.

    • AstrodyneTDI
      • United States of America Address: 36 Newburgh Rd. Hackettstown, New Jersey, United States of America

      Manufacturer Overview

      AstrodyneTDI, established in 1960 and based in New Jersey, USA, is a manufacturer of power supplies and electromagnetic interference (EMI) filters for industrial, medical, consumer, military, and aerospace use. AstrodyneTDI's main products are AC/DC and DC/DC power supplies such as external adapters, rack mounts, and open frames. The company also produces EMI/EMC filters such as single phase, IEC inlet, tempest, and shielded facility. Coolant types, power distribution types, and loads are also part of AstrodyneTDI's portfolio. They have an office in Netherlands for engineering and sales for Europe clients.

    • Tri-Mag, LLC
      • United States of America Address: 2400 South 43rd Street, Milwauke, Wisconsin, United States of America

      Manufacturer Overview

      Tri-Mag, LLC, founded in Visalia, California, in 1931, is a manufacturer of power components, EMI/RFI filters and DC-DC converters. The company's product portfolio includes Industrial Power Supplies, Medical Power Supplies, EMI/RFI Power Line Filters, and AC-DC Wall Adapters, which are used for High-efficiency LED lighting, Industrial Machinery, Casinos and Gaming and Medical Equipment. The company serves markets including Automotive and Electric Vehicles, Renewable Energy and Energy Storage and Electronics and IT Infrastructure.

    • MTE Corporation
      • United States of America Address: N83 W12650 Stratton Circle, Suite 100, Menomonee Falls, Wisconsin, United States of America

      Manufacturer Overview

      MTE Corporation, founded in 1982 in Milwaukee, Wisconsin, USA, is a manufacturer of power transformer equipment and electromagnetic products. The company manufactures various products, including AC line reactors, DC link chokes, and harmonic filters for improved power factor correction, reduced harmonics, and enhanced system dependability. Industries spanning from manufacturing and automation to energy production and healthcare rely on the products to mitigate power quality issues and optimize equipment performance. Its specialization in mitigating harmonic distortion ensures compliance with power quality standards and minimizes equipment wear. The company was formed by merging Milwaukee Transformer Co. & Milwaukee Electronics Corp.

    • Abbott Technologies, Inc.
      • United States of America Address: 8203 Vineland Ave., Sun Valley, California, United States of America

      Company Overview

      Abbott Technologies, Inc. established in 1961 in Southern California, is an AS9100 and ISO9001 certified manufacturer and supplier of power conversion products. The company's product range includes AC DC Power Supplies, DC DC Converters, DC AC Inverters, Transformer Rectifier Units, and Electro-magnetics, serving industries such as aerospace, defense, transportation, and communication. Its services include design consultations, prototype development, full-rate production, and legacy support. Aims at delivering products designed with conservative principles, the company consistently exceeds expectations in quality and reliability.

    • Rochester Electronics
      • United States of America Address: 16 Malcolm Hoyt Drive, Newburyport, Massachusetts, United States of America

      Company Overview

      Rochester Electronics, LLC is a manufacturer stocking distributor of end-of-life semiconductors and the broadest range of active semiconductors that is headquartered in Newburyport, Massachusetts, and was founded in 1981. The company caters to manufacturing services ranging from design, wafer processing, testing, reliability, and IP Archiving. These specifically include OCM, build-to-order products, process flows, and standard packaging creation. The company pivots on manufacturing and distributing semiconductors that are no longer produced by its original manufacturer.

    • Coilcraft Inc.
      • United States of America Address: 1102 Silver Lake Road, Cary, Illinois, United States of America

      Company Overview

      Coilcraft was founded in 1945 and is headquartered in Cary, Illinois. The company is a designer, manufacturer, and distributor of high-performance magnetic components for industries including automotive and computing. The company’s standard products include power devices such as inductors, RF devices, transformers, and EMI components. The company’s automotive division offers transformers, inductors, chokes, and filters operation down to -40 degrees. The company also offers design tools to help customers understand the correct product for their needs and optimum system operational parameters.

    • CTS Corporation
      • United States of America Address: 925 Indiana Avenue Lisle, Illinois, United States of America

      Company Overview

      CTS Corporation was founded in 1896 and is headquartered in Lisle, Illinois. CTS is a manufacturer and distributor of sensors, actuators, and various connectivity components to telecommunications infrastructure, information technology, and other high-speed applications such as the aerospace and medical markets. CTS operates in 3 primary market segments: Sense, Connect, and Move. The Sense market segment includes controls such as potentiometers, pedals, sensors, and switches. The Connect segment includes various types of resistors, capacitors, and frequency control products. The move segment includes piezoelectric move products, rotary actuators, and thermal products including ZIF PC board retainers and heatsinks.

    • MAST Technologies
      • United States of America Address: 8380 Camino Santa Fe, Suite 200 San Diego, California, United States of America
    • RFMW
      • United States of America Address: 188 Martinvale Lane, San Jose, California, United States of America

      Distributor Overview

      RFMW has been a supplier and distributor of specialized radio frequency (RF) and microwave components since it was founded in 2003 and is based in California. They provide RF & Microwave and Power Component distribution that focuses on Technical and Supply Chain Solutions and these include Active Devices like Diodes, Transistors, Amplifiers, Control Components, and more along with Passive devices such as Filters, Inductors, Antennas and alike. They also have Power Management and Interconnect/T&M components which help them serve military, aerospace, test, measurement, medical, and commercial markets.

    • TDK Electronics
      • Japan Address: Nihonbashi Takashimaya Mitsui Building 2-5-1, Nihonbashi Chuo-ku, Tokyo, Japan

      Manufacturer Overview

      TDK Electronics, established in 1935 and headquartered in Tokyo, Japan, is a developer, manufacturer of electronic components and systems. Its product portfolio spans capacitors, ferrites, and inductors, including piezo and protection devices. The company also offers sensors and sensor systems, covering temperature, pressure, magnetic, and MEMS sensors. Furthermore, TDK provides power supplies, energy devices, magnetic heads, and more, all branded under TDK, EPCOS, InvenSense, Micronas, Tronics, and TDK-Lambda, catering to diverse electronic needs. The company operates about 20 development and manufacturing sites, along with a network of design, manufacturing locations, and sales offices situated in Asia, Europe, North America, and South America.

    • Temwell
      • Taiwan Address: 8F-1,No.51, Sec.1,Min Sheng E. Rd, Taipei, Taiwan

      Manufacturer Overview

      Temwell Corporation, based in Taipei, Taiwan was founded in 1974 and is a manufacturer of RF filter custom solutions in the field of wireless communications. The company offers various RF filters such as RF helical filters, Standard Toko-type helical filters, TM module power filters, Cavity filters, and SMD DR filters. It also includes SMD Ceramics Filter and SMD Saw Filter. Its filters are used for signal conditioning, frequency selection, interference suppression, and improved communication performance. Temwell is ISO9001:2015 certified and serves industries such as telecommunications, satellite communications, and IoT (Internet of Things).

    • GAIA Converter SAS
      • France Address: 18 rue Caroline Aigle, LE HAILLAN, France

      Manufacturer Overview

      Gaia Converter Inc, established in 1990 in Avezzano, Italy, is a manufacturer of PFC Front End modules, input bus protection devices, and Hi Rel and military DC-DC Converters. The company specializes in power electronics solutions for power management, voltage regulation, and electromagnetic interference suppression. The product offerings are Isolated DC DC converters, AC/DC Front End PFC modules, Power systems and Non Isolated DC DC converters to name a few. The products are equipped with optimized power distribution, increased system reliability, and enhanced energy efficiency finding use in aerospace, defense, telecommunications, and renewable energy sectors.

    • Schaffner Holding AG
      • Switzerland Address: Industrie Nord, Nordstrasse 11e, Luterbach, Solothurn, Switzerland

      Manufacturer Overview

      Schaffner, founded in Luterbach, SO, in 1962 is a manufacturer of electromagnetic solutions that ensure the efficient operation of electronic systems. The company's product portfolio includes Active Harmonic Filters and Passive Harmonic Filters. Output Filters, Reactors and LCL Filters. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company provides services such as Product Selection Guidance, Engineering Support, New Product Design and Development and Custom Manufacturing.

    • MORNSUN Guangzhou Science & Technology Co., Ltd.
      • MORNSUN Guangzhou Science & Technology Co., Ltd.
        EMC Filter

      • China Address: No.5, Kehui St.1, Kehui Development Center, Science Ave., Guangzhou Science City, Huangpu District, Guangzhou, China

      Manufacturer Overview

      Morson America LLC, founded in 1998 with headquarters in the USA, is a manufacturer of industrial power supply solutions. The company's product line includes AC-DC converters, DC-DC converters, transceiver modules, isolation amplifiers, and power supply controllers. Morson America LLC's products are used in the industrial, medical, telecommunications, and engineering fields. Morson America’s products can be found in EV batteries, photovoltaic systems, and smart home appliances. The company holds ISO 9001:2000, ISO 4001, and OHSMS 18001 certifications.

    • Nexperia B.V.
      • Netherlands Address: Jonkerbosplein 52, Nijmegen, Netherlands

      Manufacturer Overview

      Nexperia is based in the Netherlands and is a designer, manufacturer, and global supplier of semiconductors. Their stock includes Bipolar Transistors, Diodes, MOSFETs, GaN FETs, and various ICs that are used as basic components in electronic systems and devices and have multiple applications. These parts are supplied to the automotive, computing, power, and electronic industries as parts of a system or as essential tools for various gadgets and devices. They are also used by manufacturers of consumer appliances such as smartphones, batteries, aerial vehicles, fire detectors, and more.

    • Li Tone Electronics
      • Taiwan Address: No. 29, Ln. 331, Sec. 1, Jieshou Rd., Sanxia Dist., New Taipei City, Taiwan

      Manufacturer Overview

      Li Tone Electronics, established in 1986, is a manufacturer and supplier of electronic components and power supplies, headquartered in New Taipei City, Taiwan. Their product range includes high-frequency transformers, power inductors & coils, AC/DC adapters, and LED drivers. These products can be applied in industries such as telecommunications, consumer electronics, industrial automation, and automotive. Li Tone Electronics is certified with ISO 9001 for quality management and ISO 14001 for environmental management.

    • Murata Manufacturing Co., Ltd.
      • Japan Address: 10-1 Higashikotari 1-chome, Nagaokakyo-shi, Kyoto, Japan

      Manufacturer Overview

      Murata Manufacturing Co., Ltd. (Murata Manufacturing) was founded in 1944 and is headquartered in Nagaokakyo, Japan. Murata Manufacturing designs, manufactures, and sells ceramic-based passive electronic components and solutions globally. The company operates through components, modules, and others segments, serving communications, mobility, industrial, healthcare, and personal electronics customers. They company's product offerings include noise suppression products, quartz devices,RFID devices, phase shifters, and wireless connectivity platforms. Services such as webinars and video library are also available for existing and potential customers alike.

    • Shenzhen Yanbixin Technology Co., Ltd.
      • Shenzhen Yanbixin Technology Co., Ltd.
        YB21D3-6A-Q

      • China Address: 23A, Kechuang Building, Quanzhi Science and Technology Innovation Park, Shajing street, Bao'an District, Shenzhen, China

      Manufacturer Overview

      Shenzhen Yanbixin Technology Co., Ltd. was founded in 2008 and is headquartered in China and it is manufacturer in the field of electronics and technology. The company, certified in ISO 9001:2008, specializes in a wide range of cutting-edge products and services, including printed circuit boards (PCBs), electronic components, LED displays, and consumer electronics such as EMI Power Filter, Electrical Noise Filter and many more. It serves diverse industries, such as consumer electronics, telecommunications, automotive, and more. Its products provide components and technologies that help to the functionality and performance of various electronic devices and systems.

    • VPT, Inc.

      Manufacturer Overview

      VPT, Inc., founded in 1993 with headquarters in the USA, is a manufacturer of DC-DC converters, EMI filters, and accessory power products. The company's product line includes avionics and military DC-DC Converters used in weapon systems, hi-rel COTS DC-DC converters used in unmanned military systems, and radiation-tolerant and radiation-hardened isolated DC-DC converters used for space applications, such as launch programs. VPT, Inc.'s power conversion solutions are used in the avionics, military, space, and industrial markets. The company is part of the HEICO Electronic Technologies Group.

    • Boyd

      Manufacturer Overview

      MBK Tape Solutions was founded in 1971 and currently operates out of Chatsworth, California under the Boyd Corporation umbrella. MBK is an ISO 9001-2015 certified manufacturer and fabricator of adhesive tape and flexible material that offers bonding, surface protection, sealing, and thermal management solutions. The company specializes in the healthcare, electronics, and industrial industries. The company offers several customer services including die cutting, printing, sheeting, and packaging. In addition, the company offers product development, cleanroom manufacturing, and contract manufacturing to customers.

    • IKO International

      Manufacturer Overview

      IKO International was established in 1950 and is headquartered in Himeji, Japan. As a certified ISO 9001:2015, the company is a manufacturer of needle bearings, linear motion rolling guides, and precision positioning tables. Its products are used in a wide variety of applications, including industrial machinery, robotics, and medical equipment. The company's product range includes needle bearings, linear motion rolling guides, and precision positioning tables and are used in some of the world's advanced machines. IKO International has over 6,000 employees and operates in more than 50 countries.

    • ProTek Devices

      Manufacturer Overview

      ProTek Devices LP, founded in 1992, is a manufacturer of transient voltage suppressor (TVS) protection products based in Tempe, Arizona, United States. The company's lineup includes chipscale TVS arrays for high-density printed circuit boards, TVS arrays with electromagnetic interference (EMI) protection to safeguard electronic devices from voltage spikes and electromagnetic noise, as well as TVS diode arrays to provide protection for electronic circuits. It also offers high-powered components and modules for easier integration into circuits, along with thyristor surge suppressors. The company serves various industries, including automotive, medical, and telecommunications.

    • NSK Americas, Inc.

      Manufacturer Overview

      NSK Americas, Inc., founded in 1973 with headquarters in the USA and facilities worldwide, is a global manufacturer of bearings, automotive components, and precision machinery. The company's product line includes numerous bearings, direct-drive motors, cartesian robots, automotive wheel hub units, and steering systems. NSK's products are used in various manufacturing industries for optimized production and automation, including automotive, chemical processing, construction, steel, and consumer product manufacturing markets. An example is the company's Monocarriers MCH Series, which features high-rigidity rails used for cantilever beams and other factory automation applications.

    • Semtech

      Manufacturer Overview

      Semtech, established in 1960 and headquartered in Camarillo, California, is a semiconductor manufacturer specializing in the catering of solutions for wireless and wired communication, IoT, and sensing applications. The company has over 7,000 employees and operates in more than 20 countries. The company's products are used in several applications, including industrial automation, medical devices, telecommunications, and consumer electronics. Semtech's astute research and development milestones have been recognized through multiple awards and global partnerships reminiscent of their contribution to the advancement of technology.

    • Acme Chip Technology Co.

      Manufacturer Overview

      Acme Chip Technology Co. Ltd., founded in 2008 and based in Shenzhen, China, is a distributor of electronic components that is ISO 9001 certified. Its products include sensors, power supplies, and optical inspection equipment sourced from several manufacturers, including Advanced Linear Devices Inc., Central Semiconductor Corp., and Fluke. The company also offers a large stock of electronic components, including obsolete components and old code chips that are always available for immediate shipment.

    • Würth Elektronik

      Manufacturer Overview

      Wera is a manufacturer of screw-driving tools with varied applications headquartered in Wuppertal, Germany, and was established in 1936. The product catalog of Wera includes screwdrivers, screwdriver bits, sockets and ratchets, L-keys, and nut spinners. The product tools of the company are known for their Kraftform shape handle tools. The company caters to manual and power tool applications in which it has manufactured over 3,000 tools. Other products include VDE-insulated screwdrivers, dead blow hammers, wrenches, stainless steel tools, and hex keys.

    • STMicroelectronics

      Manufacturer Overview

      ST Micro Electronics is a global semiconductor company serving customers with innovations to have a positive impact on people's lives. Their product line is micro electronic systems, such as switches, controllers, sensors and drivers. The main selling point of ST Micro Electronics is its provision of sustainable products, and introducing their electronics to create a more sustainable world. The company, as well as providing the electronic devices, also provides software and support, ensuring that all fields are covered to provide a fully provide a supported and strong relationship with their customer base. ST Micro Electronics believe that technology plays a key role in helping to solve environmental and social challenges, which is why their semiconductor technologies start with their employees, their customers and partners.

    • Radius Power

      Manufacturer Overview

      Radius Power is a manufacturer of standard and custom EMI/EMC/RFI Filters since 1999 in California. The company designs EMI/RFI Filters that are used to mitigate the high-frequency electromagnetic noise present on the power and signal lines. There are also IEC Inlet Filters, DC EMI filters, and Inverter EMI Filters for all applications including solar, grid-tied, transformerless, and DC de-coupling. The Military, Medical, and Telecom filters have uses in their corresponding industries like military programs, medical equipment, and power networks.

    • Enerdoor

      Manufacturer Overview

      The Enerdoor Group has been a manufacturer of power and electromagnetic solutions, established in 1992 in Milan, Italy. The company designs various types of filters that conform to the new short circuit current rating (SCCR) request of the UL508A for control panels, like EMI-RFI Filters, DC EMI Filters, Parallel Filters, and Medical and Military Filters. They also provide EMC, motor protection, and harmonic filter solutions which overall cater to Power Quality Solutions for Automated Machinery, Medical Industry, and Industrial Plants.

    • Arrow Electronics, Inc,

      Company Overview

      Arrow Electronics, Inc. is a manufacturer and supplier of electronic components and enterprise software that was established in 1935 in New York City, New York, USA. The company primarily produces electronic components including interconnect cable assemblies, semiconductors, and fiber optics. It also offers enterprise computing software such as security suites, servers, and cloud hosts. The company is ISO 9001, ISO 14001, and ISO 45001-certified, and provides custom design as well as engineering services for its clients with unique projects.

EMI/RFI Filter Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the emi/rfi filter page as of April 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. Murata Manufacturing Co., Ltd.: 77,581
  2. NSK Americas, Inc.: 30,577
  3. Vicor Corporation: 1,106

Newly Established Company

  1. Shenzhen Yanbixin Technology Co., Ltd.: 2008 (16 years ago)
  2. RF Immunity Ltd.: 2002 (22 years ago)
  3. Enerdoor: 1992 (32 years ago)

Company with a History

  1. NSK Americas, Inc.: 1916 (108 years ago)
  2. Alpha Wire Co.: 1922 (102 years ago)
  3. BLOCK: 1939 (85 years ago)

EMI/RFI Filter Manufacturers in United States

*Including some distributors, etc.

Global Distribution of EMI/RFI Filter Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 36 76.6%
Japan Japan 3 6.4%
Taiwan Taiwan 2 4.3%
China China 2 4.3%
France France 1 2.1%
Switzerland Switzerland 1 2.1%
Netherlands Netherlands 1 2.1%
Israel Israel 1 2.1%

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