Top 30 Ferrite Core Brands in 2026

The most popular brands for Ferrite Core Includes Miller, Kemet, Coilcraft, Steward, Siemens, Ferroxcube, Amidon, Koa, Murata, Delevan among many others.

1

Miller

Popular Brand

Miller Bridal is West Michigan's leading bridal salon, servicing all your wedding day needs. After discovering the ideal wedding gown, it's time to look for the perfect bridal accessories. A full-service store with a diverse assortment of designer labels. They have bridesmaids' dresses, shoes, and tiaras covered. Their staff is committed to giving their guests a one-of-a-kind experience as they shop their variety of designer brands and local stores. Discover what sets them apart from the other bridal shops in town.

2

Kemet

Popular Brand

The components manufactured by Kemet are found all over the world. From outer space to inside our bodies, as well as in the products we use on a daily basis. They believe in manufacturing superior quality products that are also sustainable. With more than a hundred years of technological innovation behind them, they have been able to grow and manufacture a wide variety of products that can be used for a variety of purposes.

3

Coilcraft

Popular Brand

Coilcraft is a company that designs and manufactures magnetic assistance for a variety of other industries. Since its founding in 1945, this company has specialized in designing high-quality power inductors and transformers, among other things. In addition, users can take advantage of this brand's customization services, which allow you to develop your own custom magnetic to meet your specific needs. Head over to their website to select from a huge range of products.

4

Steward

Best Brand

Steward advancement materials were founded in 2002 and are a family-owned company. They have provided a detailed contact us section, including their contact number, geolocation of the address, and shipping unit; along with that, they have provided their fax number to guide the customer in choosing the right product. They provide different kinds of service, from manufactured items to contract work, including blending and thermal treatment. Their central line of products is metallic and ceramic-made products.

5

Siemens

Best Brand

The 20th century saw a series of development and innovation. Infrastructural progress was also happening during this era. Every organization and industry depends on electricity and power to function, which is precisely what Siemens is known for. Siemens is a leading company that empowers enterprises with electrification and other power demands. With an experience of more than 175 years, Siemens is determined to make the world a better place with its technology and innovations.

6

Ferroxcube

Best Brand

The industry for ferrite components will be boosted with the advent of Ferroxcube, as adding coal to the fire to heat it up. The innovation of their designs is just unbeatable as designers have been provided with advanced software that helps them to design creatively. The corporate entity places excellent emphasis on magnetic functions, which also contributes to the increased functionality of electronics in the market.

7

Amidon

Best Brand

With the services of Amidon, you can receive ferrites, connections, and tunable inductors right now. As their primary responsibility is to meet the consumer's needs, they have been operating this business for decades and offer excellent service by serving only the highest quality products. Any order can be shipped worldwide, from a single item to a large order. Go ahead and make the transaction; you won't regret it.

8

Koa

Best Brand

Let KOA help you transform your ideas into reality with the use of products and services that will produce the...

9

Murata

Murata Manufacturing is a Japanese manufacturer of electronic components. It is a leading manufacturer of ceramic filters, high-frequency parts, and...

10

Delevan

Delevan, a manufacturer of innovative, performance-driven products, is reputable for its coil winding technologies. They have all of the resolvers,...

11

EMI

EMI Supply are manufacturers and suppliers of industrial and construction supplies. They offer a range of products in adhesives and...

12

Micrometals

Providing metal solutions to the engineering industry without compromising the standard of production is Micrometals. Its materials are made of...

13

Bourns

Electronic devices have become a necessity, and every machine requires a critical component or a sensor. Bourns provides such electronics...

14

RFI

RFI has achieved significant progress toward its aim of being the most preferred partner for the wireless communication needs of...

15

Central

Central semiconductors corporation supplies transistors and thyristors, believing in constant innovation backed by brilliant engineering. The company has always worked...

16

Cooper

A family-run business, Cooper Street Cookies, produces delectable baked goods for the health-conscious consumer. Their cookies don't have dairy, gluten,...

17

Vishay Dale

Vishay is a six-decade-old enterprise that specializes in high-quality electronic products and propels the manufacturing stages of other brands and...

18

Thomson

Thomson provides the best accessories for your lovely camera. Their goods are made with complete quality control to give you...

19

Agilent

Agilent is a focused company working diligently to fulfill its goals. It is a leader in life sciences, diagnostics, and...

20

Mitsubishi Electric

Mitsubishi Electric has always strived to create a varied range of products of the highest quality in its entire term...

21

TRON

TRON is a corporation that sells electrical components to enterprises, educational institutions, and amateurs. TRON will help you discover the...

22

Vishay

Vishay is a manufacturer of electronic components. The company focuses on the quality of its products and calls them "The...

23

Sumida

24

Pacific

Honey is a naturally occurring sugary substance made through the nectar extracted by bees, and producing, selling, and manufacturing raw...

25

Morris

MORRIS Products Inc. is a prominent producer and supplier of HVACR components and accessories. MORRIS offers a wide range of...

26

Linear

Linear is the finest firm based in the United States that creates and manufactures LED equipment for the commercial vertical...

27

Vanguard

Vanguard is a leading manufacturer of professional photography equipment, precision hunting equipment and outdoor sports optics. They have been committed...

28

SMC

SMC is a candle company that takes pride in manufacturing the best quality, handcrafted candles. They have something for everyone...

29

MTL

MTL is a regional auto parts retailer in Canada. All automobiles, trucks, vans, and SUVs offer and install various auto...

30

Farnell

Samm Technology was established in Turkey in 2003. As the leading Turkish company for fiber optic equipment, it uses innovative...

Ferrite Cores Buying Guide

Ferrite cores are important electronic components that are used in many different applications, from power supplies to transformers. Ferrite cores are made from a ferrite material that has high permeability, which means that it can concentrate the magnetic field of a coil. Ferrite cores are commonly used to increase the efficiency of transformers and other electronic devices.

What are Ferrite Cores?

A ferrite core is a small magnetic component that is used to increase the inductance of a coil. It is made from a type of ceramic material that contains iron oxide (Fe2O3) and other elements such as manganese, zinc, and nickel. Ferrite cores are typically used in electronic devices that require a high level of magnetic field concentration.

Uses of Ferrite Cores

There are many different uses for ferrite cores. Some of the most common include:

  • Transformers
  • Inductors
  • Magnetic amplifiers
  • Switched mode power supplies
  • EMI filters

Choosing the Right Ferrite Core

Ferrite Core Shape

Ferrite cores come in many different shapes and sizes. The shape of the core can affect its performance in different ways. Some of the most common shapes include:

  • Rod-shaped
  • Toroidal
  • Cylindrical
  • U-shaped
  • E-shaped

The shape of the ferrite core that you choose will depend on the specific application that you require it for. In general, a toroidal ferrite core is the most versatile and can be used in many different applications. The U-shaped and E-shaped cores are typically used in transformers and magnetic amplifiers.

Magnetic Permeability

The magnetic permeability of a ferrite core is an important factor to consider when selecting a core for your application. The magnetic permeability of a material describes how easily it can be magnetized. A material with high permeability can be magnetized easily and will produce a strong magnetic field.

For most applications, a ferrite core with a high magnetic permeability is desirable. However, in some cases, a lower permeability material may be required. For example, in EMI filters, a low permeability material may be used to reduce the magnetic interference.

Frequency Range

The frequency range of a ferrite core is another important factor to consider. Different cores will have different frequency ranges in which they perform optimally. If you are using a ferrite core in a high-frequency application, it is important to select a core that can operate in that frequency range.

Losses

Ferrite cores can experience energy losses due to hysteresis and eddy currents. Hysteresis losses occur when the magnetic domains in the material need to re-align, while eddy currents occur when a changing magnetic field induces currents in the ferrite material.

To minimize these losses, it is important to choose a ferrite core that has a low coercivity (the amount of magnetizing force required to demagnetize the material) and a low electrical conductivity. Additionally, the size and shape of the core can affect the losses, with larger cores generally experiencing lower losses.

Saturation Flux Density

The saturation flux density of a ferrite core describes how much magnetic flux the core can support before it becomes magnetically saturated. Magnet saturation occurs when the magnetic material is no longer able to increase its magnetic flux density in response to an applied magnetic field.

For most applications, it is desirable to choose a ferrite core with a high saturation flux density. This will allow the core to support a larger magnetic flux density and thus increase the efficiency of the device.

Conclusion

Ferrite cores are important components used in many different electronic devices. When choosing a ferrite core, it is important to consider factors such as the core shape, the magnetic permeability, the frequency range, the losses, and the saturation flux density.

By selecting the right ferrite core for your application, you can optimize the efficiency of your device and ensure that it operates reliably for years to come.

Application

The specific application for which you are using the ferrite core will have a significant impact on what type of core you will need. Some applications require a high magnetic flux density while others require lower losses. Before choosing a ferrite core, it is important to understand the requirements of your application and choose a core that is specifically designed to meet those needs.

Coefficient of Thermal Expansion

The coefficient of thermal expansion (CTE) is a measure of how much a material expands or contracts in response to changes in temperature. Since ferrite cores are often used in devices that generate heat, it is important to choose a ferrite core with a CTE that is compatible with the other materials in your device. Choosing a ferrite core with a CTE that is significantly different from the other materials in your device can lead to stresses and failures in the device over time.

Operating Temperature Range

The operating temperature range of your ferrite core is another important consideration. Many ferrite cores are designed to operate within a specific temperature range, and exceeding that range can lead to problems with signal loss, durability, and lifespan. If you are using a ferrite core in a high-temperature application, it is important to choose a core that is rated for those conditions.

Availability and Cost

Ferrite cores come in a wide range of sizes, shapes, and materials. Some ferrite cores may be more readily available than others, depending on your location and supplier. Additionally, the cost of different ferrite cores can vary significantly. When choosing a ferrite core, it is important to consider both availability and cost and find a balance that meets your needs without breaking your budget.

Types of Ferrite Cores

Soft Ferrite Cores

Soft ferrite cores are made from a variety of iron oxide materials and are designed for use in high-frequency applications. These cores have high magnetic permeability and low coercivity, making them ideal for applications that require high inductance and low power losses. Soft ferrite cores are commonly used in radio-frequency (RF) applications, such as security alarms and RFID systems.

Hard Ferrite Cores

Hard ferrite cores are made from a mixture of ferric oxide and barium or strontium carbonate. These cores are designed to resist changes in magnetization, making them ideal in applications where high-magnetic-field strength is required. Hard ferrite cores have low magnetic permeability and high coercivity, making them suitable for power supply applications, such as inverters and DC-to-DC converters.

Metal Ferrite Cores

Metal ferrite cores are typically made from a mixture of metal powders and ferrite materials, such as nickel zinc (NiZn) or manganese zinc (MnZn). These cores have a relatively high magnetic permeability and are designed for use in low-frequency applications. Metal ferrite cores are typically used in power supply applications, such as transformers and inductors, where low-temperature rise, high current-carrying capacity, and low losses are required.

Conclusion

Choosing the right ferrite core for your device is essential to ensuring that it operates reliably and efficiently. By carefully considering factors such as application, CTE, operating temperature range, availability, and cost, you can select a ferrite core that meets the specific needs of your device. Whether you require a soft ferrite core for RF applications or a metal ferrite core for power supply applications, there are many different types of ferrite cores available to suit your needs.

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