Asia's Top 10 toroidal choke calculator Brand List

December 19, 2025

TDK Corporation
Murata Manufacturing Co., Ltd.
Vishay Intertechnology, Inc.
Littelfuse Inc.
Coilcraft, Inc.
Shaanxi Ferrtx Enterprise Co.,Ltd.
Bourns, Inc.
Panasonic Corporation
Sumida Corporation
EPCOS AG (a TDK Company)
Alpha Industries, Inc.

TDK Corporation

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

website : https://www.tdk.com

Main Product : Main products include magnetic tapes, audio and video recording media, data storage solutions, Electronic Components (such as capacitors, inductors, and sensors), and energy products (like lithium-ion batteries).

Company Profile

TDK Corporation is a Japanese multinational electronics company specializing in the development and manufacturing of advanced electronic materials and components. Founded in 1935, it pioneered magnetic tape technology and has since expanded into diverse fields including audio/video recording, data storage, and electronic parts. Known for innovation and quality, TDK continues to serve both consumer and industrial markets globally.

Murata Manufacturing Co., Ltd.

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

website : https://www.murata.com

Main Product : Main products include electronic components such as ceramic capacitors, filters, resonators, sensors, power modules, and RF Components.

Company Profile

Murata Manufacturing Co., Ltd. is a Japanese multinational corporation specializing in advanced electronic components and modules. Founded in 1944, it has grown into a global leader in ceramic-based passive components, known for high reliability, miniaturization, and cutting-edge R&D. The company serves diverse industries including smartphones, IoT devices, electric vehicles, and 5G infrastructure, consistently driving technological advancements in electronics.

Vishay Intertechnology, Inc.

Establishment time : Vishay Intertechnology, Inc. was established on June 26, 1962.

website : https://www.vishay.com

Main Product : Main products include resistors, capacitors, inductors, diodes, transistors, sensors, and optoelectronic components.

Company Profile

Vishay Intertechnology, Inc. is a leading global manufacturer of discrete semiconductors and passive electronic components, known for innovation, reliability, and extensive customization solutions across diverse industries.

Littelfuse Inc.

Establishment time : Littelfuse Inc. was established on May 20, 1961.

website : https://www.littelfuse.com

Main Product : Main products include fuses (electrical and electronic), circuit protection devices, power management solutions, automotive components, and industrial electronics.

Company Profile

Littelfuse Inc. is a leading global manufacturer of circuit protection and power management solutions, serving diverse industries with innovative, high-reliability products designed to safeguard electrical systems from overcurrent, overvoltage, and thermal events.

Coilcraft, Inc.

Establishment time : Coilcraft, Inc. was established in 1956.

website : https://www.coilcraft.com

Main Product : Main products include inductors, Transformers, RF components, and custom magnetics.

Company Profile

Coilcraft, Inc. is a leading global manufacturer of passive electronic components, specializing in high-performance inductors, transformers, and custom magnetics for demanding applications across multiple industries. Founded in 1956, the company is known for its engineering excellence, precision manufacturing, and commitment to customer-driven innovation.

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.

Establishment time : Bourns, Inc. was established in 1947.

website : www.bourns.com

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

Company Profile

Bourns, Inc. is a leading global manufacturer of electronic components specializing in precision resistive, sensing, and circuit protection solutions, serving diverse industries with a focus on quality, reliability, and technological advancement.

Panasonic Corporation

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

website : https://www.panasonic.com

Main Product : Main products include home appliances, electronic components, batteries, automotive parts, solar energy systems, and smart home solutions.

Company Profile

Panasonic Corporation is a Japanese multinational electronics company known for innovation in consumer electronics, industrial equipment, and sustainable technologies, with a long history of contributing to global technological advancement.

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 electronics manufacturer specializing in passive components and power solutions, known for its high-quality, precision-engineered products used in consumer electronics, industrial equipment, automotive systems, and telecommunications.

EPCOS AG (a TDK Company)

Establishment time : EPCOS AG was established on April 1, 1975.

website : https://www.epcos.com

Main Product : Main products include passive electronic components such as capacitors, inductors, filters, sensors, and power management solutions.

Company Profile

EPCOS AG, a subsidiary of TDK Corporation, is a leading global manufacturer of passive electronic components, specializing in high-performance solutions for advanced electronic applications. With a strong focus on research and development, EPCOS serves diverse industries by delivering reliable, compact, and energy-efficient components essential for modern electronics.

Alpha Industries, Inc.

Establishment time : Alpha Industries, Inc. was established in 1959.

website : https://www.alpha-industries.com

Main Product : Main products include military-style jackets, outerwear, tactical gear, and workwear.

Company Profile

Alpha Industries, Inc. is a U.S.-based manufacturer known for producing high-quality, durable outerwear with a strong legacy in military and workwear apparel; the brand has become iconic for its signature MA-1 flight jacket and continues to influence streetwear and fashion culture globally.

Author:

Mr. FERRTX

E-mail:

sales@ferrtx.com

Phone/WhatsApp:

+86 02968087686