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China Top 10 toroidal choke calculator Brands

December 24, 2025
The toroidal choke calculator market serves engineers, hobbyists, and electronics manufacturers seeking efficient, compact EMI suppression solutions. Demand is driven by rising need for noise filtering in power supplies, audio equipment, and industrial systems. Users value precision in inductance and core selection, making calculators essential for optimizing performance and reducing electromagnetic interference. Online tools and apps cater to this niche, offering quick, accurate design support—boosting adoption among DIY enthusiasts and professionals alike.

TDK Corporation

Establishment time : TDK Corporation was established on December 12, 1935.

website : https://www.tdk.com

Main Product : Main products include magnetic tapes, audio and video recording media, capacitors, inductors, sensors, and Electronic Components.

Company Profile

TDK Corporation is a Japanese multinational electronics company known for pioneering innovations in magnetic recording technology and widely recognized for its high-quality audio and data storage solutions, as well as its growing presence in electronic components and Sensor technologies.

Murata Manufacturing Co., Ltd.

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

website : https://www.murata.com

Main Product : Main products include ceramic capacitors, filters, resonators, sensors, power supplies, RF modules, and other electronic components.

Company Profile

Murata Manufacturing Co., Ltd. is a global leader in the design, development, and production of electronic components, particularly known for its advanced ceramic technologies. Founded in 1944, the company has grown into a multinational corporation with a strong focus on R&D, sustainability, and digital transformation. Its products are essential in modern electronics, supporting applications ranging from smartphones and IoT devices to electric vehicles and 5G infrastructure.

Panasonic Corporation

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

website : https://www.panasonic.com

Main Product : Main products include home appliances, consumer electronics, automotive components, batteries, solar energy systems, and industrial equipment.

Company Profile

Panasonic Corporation is a Japanese multinational electronics conglomerate known for innovation in consumer electronics, energy solutions, and smart technologies, with a long history of technological advancement and global operations.

Vishay Intertechnology, Inc.

Establishment time : Vishay Intertechnology, Inc. was established in 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 manufacturer of discrete semiconductors and passive electronic components, known for high reliability, quality, and extensive customization options across diverse industries.

Coilcraft, Inc.

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

website : https://www.coilcraft.com

Main Product : Main products include inductors, Transformers, filters, and RF Components.

Company Profile

Coilcraft, Inc. is a leading manufacturer of high-performance magnetic components and custom solutions, serving global industries with innovative inductors, transformers, and RF products since 1956.

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.
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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, fuses, surge protectors, and custom electronic components.

Company Profile

Bourns, Inc. is a global leader in the design, manufacture, and marketing of electronic components, serving diverse industries with reliable, high-performance solutions since its founding in 1947.

Littelfuse Inc.

Establishment time : Littelfuse Inc. was established in 1929.

website : https://www.littelfuse.com

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

Company Profile

Littelfuse Inc. is a global leader in circuit protection and power management solutions, known for delivering innovative, high-reliability products that safeguard electrical systems across diverse industries.

Sumida Corporation

Establishment time : Sumida Corporation was established on May 25, 1935.

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

Main Product : Main products include electronic components such as capacitors, inductors, and coils, as well as power electronics and electromagnetic devices.

Company Profile

Sumida Corporation is a Japanese multinational electronics manufacturer specializing in passive components and power solutions, with a long history of innovation and quality in electronic materials and devices used across industrial, automotive, and consumer electronics applications.

Taiyo Yuden Co., Ltd.

Establishment time : 1950

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

Main Product : Electronic components (ceramic capacitors, surface mount devices, inductors, resistors, filters, RF components), recording media (CD-R, DVD-R), and optical discs

Company Profile

Taiyo Yuden Co., Ltd. is a Japanese multinational electronics company specializing in passive electronic components and recording media. Founded in 1950, it has established itself as a leading supplier of high-reliability capacitors and related products used in consumer electronics, automotive, industrial equipment, and telecommunications. The company emphasizes innovation, quality control, and sustainable manufacturing. It maintains a global presence with production facilities and sales offices worldwide, supporting diverse industries with advanced component solutions.

CUI Devices

Establishment time : 2008

website : https://www.cuidv.com

Main Product : CUI Devices specializes in power supplies, DC-DC converters, AC-DC adapters, and custom electronic components.

Company Profile

CUI Devices is a global leader in designing and manufacturing high-performance power solutions, serving industries such as industrial automation, medical devices, telecommunications, and consumer electronics. The company emphasizes engineering excellence, quality control, and customer-centric innovation to deliver efficient and reliable power products.
Contact Us

Author:

Mr. FERRTX

Phone/WhatsApp:

+86 02968087686

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