Top 10 toroidal choke calculator Manufacturers

January 08, 2026

**toroidal choke calculator** Simplify inductor design with our toroidal choke Calculator. Input core material, desired inductance, frequency, and current to determine turns, wire gauge, and core size. Ideal for power supplies, filters, and EMI suppression. Accurate, fast, and user-friendly—optimize performance while minimizing losses. Perfect for engineers and hobbyists alike.

Coilcraft
Shaanxi Ferrtx Enterprise Co.,Ltd.
TDK Corporation
Murata Manufacturing
Vishay Intertechnology
Bourns, Inc.
LEMO Electronics
Alpha Industries
CUI Devices
Coilcraft (Toroidal Chokes Division)
Epcos (a TDK Company)

Coilcraft

Establishment time : Coilcraft was established in 1956.

website : www.coilcraft.com

Main Product : Main products include inductors, Transformers, RF Components, power solutions, and custom magnetic devices.

Company Profile

Coilcraft is a global leader in the design and manufacture of high-performance magnetic components, serving diverse industries with a strong emphasis on quality, reliability, and technical support since its founding in 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.

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.

TDK Corporation

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

website : https://www.tdk.com

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

Company Profile

TDK Corporation is a Japanese multinational electronics company known for pioneering innovations in magnetic recording technology. Founded in 1935, it has evolved into a diversified manufacturer of high-performance electronic components and data storage solutions, serving industries ranging from consumer electronics to automotive and industrial applications.

Murata Manufacturing

Establishment time : Murata Manufacturing was established on June 29, 1944.

website : https://www.murata.com

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

Company Profile

Murata Manufacturing is a global leader in electronic components, known for its advanced ceramic technology, R&D excellence, and commitment to miniaturization and performance in electronic devices.

Vishay Intertechnology

Establishment time : Vishay Intertechnology was established on May 24, 1962.

website : https://www.vishay.com

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

Company Profile

Vishay Intertechnology is a global manufacturer of discrete semiconductors and passive electronic components, known for innovation, quality, and broad product portfolios serving diverse industries with reliable, high-performance solutions.

Bourns, Inc.

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

website : www.bourns.com

Main Product : Main products include resistors, potentiometers, sensors, circuit protection devices, and power management solutions.

Company Profile

Bourns, Inc. is a global leader in the design and manufacture of electronic components, serving a wide range of industries with high-reliability, precision-engineered solutions since its founding in 1947.

LEMO Electronics

Establishment time : LEMO Electronics was established in 1947.

website : https://www.lemo.com

Main Product : Main products include electrical connectors, industrial connectors, fiber optic connectors, and custom interconnect solutions.

Company Profile

LEMO Electronics is a Swiss-based global leader in the design and manufacture of high-performance electrical and optical connectors, known for reliability, durability, and cutting-edge technology in demanding environments.

Alpha Industries

Establishment time : Alpha Industries was established in 1959.

website : www.alpha-industries.com

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

Company Profile

Alpha Industries is a U.S.-based manufacturer known for producing high-quality military-inspired clothing and accessories, with a strong legacy in both civilian and military markets.

CUI Devices

Establishment time : 2005

website : www.cuidevices.com

Main Product : Industrial sensors, smart automation components, industrial IoT solutions

Company Profile

CUI Devices is a global leader in designing and manufacturing high-performance industrial electronic components, specializing in sensors, connectors, and intelligent modules for automation and industrial applications. Founded in 2005, the company focuses on innovation, reliability, and customer-centric engineering to support diverse industries including manufacturing, energy, and transportation.

Coilcraft (Toroidal Chokes Division)

Establishment time : Coilcraft (Toroidal Chokes Division) was established in 1956.

website : https://www.coilcraft.com

Main Product : Main products include toroidal chokes, power inductors, common mode chokes, and RF inductors.

Company Profile

Coilcraft is a leading manufacturer of magnetic components, specializing in precision toroidal chokes and inductors for demanding applications requiring high efficiency, low noise, and compact size.

Epcos (a TDK Company)

Establishment time : Epcos, a TDK Company, was established in 1975.

website : https://www.epcos.com

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

Company Profile

Epcos is a leading global supplier of high-quality passive electronic components, known for innovation and reliability in advanced electronics applications, and operates as part of the TDK Group since its acquisition in 2008.

Author:

Mr. FERRTX

E-mail:

sales@ferrtx.com

Phone/WhatsApp:

+86 02968087686