Asia's Top 10 toroidal choke coil Brand List

January 12, 2026

toroidal choke coils are compact, high-efficiency inductors used in power supplies and electronic circuits to suppress electromagnetic interference (EMI) and reduce noise. Their toroidal (doughnut-shaped) core minimizes magnetic flux leakage, enhancing performance and reducing size. Widely used in automotive, industrial, and consumer electronics, they offer superior shielding, low EMI, and high inductance in a small footprint, making them ideal for space-constrained applications requiring reliable filtering and stable power delivery.

TDK Corporation
Murata Manufacturing Co., Ltd.
Panasonic Corporation
Sumida Corporation
Coilcraft Asia Pacific Pte Ltd
Wurth Elektronik eiSos GmbH & Co. KG
LEMO Electronics (Asia) Limited
Shaanxi Ferrtx Enterprise Co.,Ltd.
Bourns, Inc. (Asia Operations)
Taiyo Yuden Co., Ltd.
Hitachi Metals, Ltd.

TDK Corporation

Establishment time : TDK Corporation was established on April 1, 1935.

website : https://www.tdk.com

Main Product : Main products include magnetic tapes, data storage solutions, audio and video recording devices, sensors, Electronic Components, and energy products such as lithium batteries and super capacitors.

Company Profile

TDK Corporation is a Japanese multinational electronics company specializing in advanced materials and high-performance components, with a legacy in audio and data storage innovation since its founding, now expanding into automotive sensors, IoT devices, and sustainable energy solutions.

Murata Manufacturing Co., Ltd.

Establishment time : Murata Manufacturing Co., Ltd. was established on October 1, 1944.

website : https://www.murata.com

Main Product : Main products include ceramic capacitors, filters, RF Components, sensors, power supply modules, and electronic components for various applications.

Company Profile

Murata Manufacturing Co., Ltd. is a Japanese multinational electronics manufacturer renowned for its advanced ceramic technology and high-performance passive components. Founded in 1944, the company has grown into a global leader in electronic components, serving diverse industries including smartphones, IoT devices, electric vehicles, and 5G infrastructure. Its commitment to R&D and manufacturing excellence enables it to deliver innovative solutions that support miniaturization, energy efficiency, and high reliability in modern electronics.

Panasonic Corporation

Establishment time : Panasonic Corporation was established on May 7, 1918.

website : https://www.panasonic.com

Main Product : Main products include home appliances, semiconductors, automotive components, batteries, digital imaging devices, and smart home solutions.

Company Profile

Panasonic Corporation is a Japanese multinational electronics company known for its innovation in consumer electronics, industrial equipment, and environmental technologies, with a long history of developing reliable and energy-efficient products for global markets.

Sumida Corporation

Establishment time : Sumida Corporation was established on April 1, 1935.

website : https://www.sumida.co.jp/.

Main Product : Main products include electronic components such as capacitors, inductors, Transformers, and power modules.

Company Profile

Sumida Corporation is a Japanese manufacturer specializing in high-performance electronic components used in various industries including automotive, industrial equipment, consumer electronics, and telecommunications.

Coilcraft Asia Pacific Pte Ltd

Establishment time : 1997

website : https://www.coilcraft.com

Main Product : Inductors, Transformers, RF Components, Power Supplies, and Custom Magnetic Solutions

Company Profile

Coilcraft Asia Pacific Pte Ltd is a subsidiary of Coilcraft Inc., a leading global manufacturer of magnetic components and electromechanical devices. Established in 1997 in Singapore, the company serves as a regional hub for sales, engineering support, and distribution across Asia Pacific. It specializes in designing and manufacturing high-performance inductors, transformers, and RF components used in industrial, automotive, telecommunications, and consumer electronics applications. With a focus on innovation, quality, and customer service, Coilcraft Asia Pacific supports local and international clients with tailored solutions and rapid prototyping capabilities.

Wurth Elektronik eiSos GmbH & Co. KG

Establishment time : Wurth Elektronik eiSos GmbH & Co. KG was established on May 1, 1985.

website : https://www.we-online.com

Main Product : Main products include passive components (resistors, capacitors, inductors), connectors, sensors, filters, and electronic modules.

Company Profile

Wurth Elektronik eiSos GmbH & Co. KG is a leading European manufacturer of electronic components, known for innovation, high-quality standards, and extensive R&D capabilities, serving diverse industries with customized electronic solutions.

LEMO Electronics (Asia) Limited

Establishment time : LEMO Electronics (Asia) Limited was established on January 1, 1987.

website : https://www.lemo.com

Main Product : Main products include industrial connectors, circular connectors, fiber optic connectors, and customized interconnect solutions.

Company Profile

LEMO Electronics (Asia) Limited is a subsidiary of the Swiss-based LEMO Group, specializing in designing and manufacturing high-performance electrical and optical connectors for demanding applications in industrial automation, medical devices, aerospace, and telecommunications.

Shaanxi Ferrtx Enterprise Co.,Ltd.

Establishment time : 2023

website : www.ferrtx.com

Main Product : Power Inductor,RF Inductor,Transformers,EMC Filter - EMI/RFI, Sensor ,Power Converter

Company Profile

FERRTX - Your Trusted Global Magnetic Solutions Partner

Headquartered in Xi'an, China with R&D centers spanning three provinces, FERRTX represents 37 years of accumulated technical excellence in precision magnetics innovation.As a manufacturer certified by ISO/UL/CE/IATF 16949/CNAS, we operate four specialised production bases nationwide. We deliver industry-leading quality and cost-effective components to worldwide clients.

FERRTX distinguishes itself from others in our field through our World Class Design, Engineering, and Manufacturing expertise and by providing full custom circuit design support for your unique application.

By combining cutting-edge automation technology with strict process control, we provide critical magnetic components to 500 customers in the global automotive, industrial and consumer electronics industries.

Solutions for Custom

At FERRTX, in addition to providing standard components, we offer comprehensive customisation services backed by 37 years of experience in manufacturing custom magnetic components and a team of 150 engineers.

This ensures that your products achieve optimal performance under specific voltage, frequency, and environmental conditions. We have successfully resolved complex electromagnetic interference (EMI) and radio frequency interference (RFI) issues in over 2,300 customer projects.

FERRTX boasts the industry's most comprehensive solution centre, supporting OEM customers in successfully completing critical product development, market launch, and production plans.

Product categories include:

• Power Inductors
• RF Inductors
• Transformers
• EMC Filters
• Sensors

Manufacturing Excellenc

Our four smart factories in Shenzhen, Jinan, Xianyang, and Weinan cover a total area of over 12,000 square metres, with 80% of the production lines automated. we enforce rigorous quality control systems and comprehensive outgoing inspection to guarantee the reliability of every product reaching our customers.

Corporate Philosophy

Although our annual production exceeds 200 million units, FERRTX measures success primarily by the long-term trust of more than 500 enterprise customers from over 40 countries. We have accumulated a database of solutions covering more than 2,300 application scenarios—from electric vehicle charging stations to satellite communications. This practical experience enables our engineers to anticipate design challenges before they arise, which is FERRTX's unique competitive advantage formed through global industrial cooperation.

Customer Assurance

FERRTX offers cost-effective solutions from prototype design to mass production, with predictable delivery cycles based on accurate scheduling and reliable execution capabilities. Our customer service team provides lifetime technical support, including fault analysis and technical support during the warranty period. This end-to-end accountability makes FERRTX the preferred development partner for Tier 1 suppliers in key industries.

Bourns, Inc. (Asia Operations)

Establishment time : Bourns, Inc. (Asia Operations) was established in 1985.

website : https://www.bourns.com

Main Product : Main products include resistors, potentiometers, encoders, fuses, surge protectors, and custom electronic components.

Company Profile

Bourns, Inc. (Asia Operations) is a key subsidiary of Bourns, Inc., specializing in the design, manufacturing, and distribution of electronic components across Asia. It supports global clients with localized solutions, advanced technology, and reliable supply chains.

Taiyo Yuden Co., Ltd.

Establishment time : 1950

website : https://www.taiyoyuden.co.jp

Main Product : Electronic components (capacitors, resistors, inductors, filters, RF modules, surface mount devices), optical discs (CDs, DVDs, Blu-ray), and advanced materials

Company Profile

Taiyo Yuden Co., Ltd. is a Japanese multinational electronics company established in 1950, specializing in high-performance electronic components and advanced materials. Renowned for innovation in capacitors, resistors, and optical storage media, the company serves diverse industries including automotive, telecommunications, consumer electronics, and industrial equipment. With a global presence and commitment to quality, Taiyo Yuden maintains a strong reputation for reliability and technological advancement.

Hitachi Metals, Ltd.

Establishment time : Hitachi Metals, Ltd. was established on April 1, 2003.

website : https://www.hitachi-metals.co.jp/en/.

Main Product : Main products include rare earth magnets, magnetic materials, steel products, and electronic materials.

Company Profile

Hitachi Metals, Ltd. is a global leader in high-performance magnetic materials and advanced metal solutions, leveraging its heritage from Hitachi, Ltd. to deliver cutting-edge products for green technology and digital transformation.

Author:

Mr. FERRTX

E-mail:

sales@ferrtx.com

Phone/WhatsApp:

+86 02968087686