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Added value distributor and development

Ferrites

Ferrite magnet

We offer a comprehensive range of ferrites for the electronics industry. Our product range includes high frequency, power and broadband ferrites specifically designed to meet the needs of modern electronics development. With our expertise in magnetic materials, we guarantee high-quality solutions for EMC applications, signal transmission and energy efficiency.

Our range is aimed at manufacturers of transformers, inductors and other electronic components who value quality and performance. With flexible ordering options and a dedicated customer service team, we support our customers to deliver their projects on time and on budget.
  • Large selection of ferrites
  • For electrical engineering and electronics business
  • Reliable function in industry and electronics
  • Efficient solutions from Rotima AG

Our range of ferrites:

Our product portfolio includes a variety of ferrites, including a wide selection of ferrite cores designed for various applications in electronics and electrical engineering. These ferrite cores are available in various shapes and sizes, including toroidal cores, bar cores, E-cores and many others to meet the specific requirements of our customers. They are ideal for applications such as transformers, chokes and filters, where they are used to reduce electromagnetic interference, transmit signals and improve energy efficiency.

With our extensive range of ferrite materials, we can offer solutions for high frequency applications through to high power applications. Our ferrite cores are characterized by their high quality, efficient performance and adaptability to various technical requirements.
Ferrites

Ferrite cores

Ferrite cores play a crucial role in modern electrical engineering and electronics by providing an effective solution for reducing electromagnetic interference and improving the performance of electronic circuits.
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Our official sales partners

As a sales partner of renowned manufacturers such as Kaschke Components, Hitachi Metals and Samwha Electronics, we offer a comprehensive range of ferrites for a wide variety of applications. Our product range is characterized by high quality and performance to meet the demanding requirements of our customers. Through our close cooperation with these leading manufacturers, we guarantee reliable supply and technical support for our customers.

Kaschke Components

Kaschke Components
By working with Kaschke Components, a leading supplier of magnetic components and ferrite components based in Germany, we are expanding our range to include high-precision, high-quality products for the electronics industry. Kaschke is characterized by its extensive expertise in the development and production of customer-specific solutions, which enables us to respond to the specific requirements of our customers with tailor-made products.

Proterial Europe

Proterial Europe
In our collaboration with Proterial Europe, a leading global manufacturer of advanced materials and components, including high performance ferrites, we benefit from their extensive technical expertise and innovative technologies. Proterial Europe is known for its stringent quality standards and commitment to research and development, enabling us to offer our customers leading-edge products for demanding applications.


Cores
EE cores
EE cores Flat
EER cores (type 1 - 2)
EER cores (type 3 - 5)
EPC LP cores
RM, EP cores
Pot cores PS / PSC cores
Toroidal cores
Special core shapes
Manganese-zinc special cores
Nickel-zinc special cores

Ferrite materials
Nickel-zinc ferrites
Manganese-zinc ferrites

Samwha Electronics

Our distribution network with Samwha Electronics enables us to offer our customers access to a wide range of high quality electronic components, including capacitors and ferrites. As a leading manufacturer in the electronics industry with over 60 years of experience, Samwha Electronics is characterized by innovation and quality in the development of products for power, automotive and industrial electronics.
Cores
E-cores
U-cores
RM cores
PQ cores
toroidal cores
Planar cores
Product ranges
Wireless Charger

Ferrite materials
materials
Comparison table
Do you have any questions about our offer?
Ferrites
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Standard and customized ferrites

Our offering includes both standard ferrites and customized solutions for electrical engineering to meet a wide range of application requirements. The standard ferrites cover common requirements in electronics production and are ideal for developers looking for fast implementations and proven performance. For specific applications that cannot be solved with standard components, we offer customized ferrites.

These are developed in close collaboration with our customers to precisely match the technical specifications and performance goals of the project. Whether it's unique geometric shapes, special magnetic properties or customized electrical parameters, our team of experts works with state-of-the-art technologies and materials to deliver optimal solutions. With a focus on quality, reliability and innovation, we support our customers in successfully implementing their electrical engineering projects.
Ferrites
What can we do for you?
Contact our product experts
Dominik        Grahammer
Dominik Grahammer
Sales- and Productmanagement
+49 8341 9340348
[email protected]
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What can we do for you?
Contact our product experts
Rotima Carmen Aeschbacher
Carmen Aeschbacher
Sales- and Productmanagement
+41 44 927 26 31
[email protected]
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What are the advantages of using DC voltage transformers compared to AC voltage transformers?

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Further information on ferrites

Here you will find in-depth insights and answers to your questions about ferrites. Ferrites are magnetic ceramic materials consisting of iron oxide mixed with metal elements such as barium, strontium or manganese, and play a crucial role in electronics and electrical engineering.

What are ferrites and what are they used for?

Ferrites are ceramic materials consisting mainly of iron oxide (Fe2O3) and other metal oxides such as nickel, magnesium or zinc. They have a high magnetic permeability, which means that they are able to absorb and dissipate magnetic fields.

Ferrites are used in many applications, including

1. electronics: ferrite cores are used in inductors and transformers to concentrate, amplify or direct magnetic fields. They are also used in circuits for noise suppression and EMI (electromagnetic interference) shielding.

2. communication technology: Ferrites are used in antennas for cell phones, televisions, radios and other wireless communication devices. They help to minimize signal loss and improve the efficiency of signal transmission.

3. power engineering: Ferrites are used in power transformers, switching power supplies and protective devices such as surge protectors. They enable efficient energy transmission and provide protection against electrical interference.

4. medical technology: Ferrites are used in certain medical devices such as magnetic resonance imaging (MRI) scanners to generate a strong and stable magnetic field.

5. automotive industry: Ferrites are used in electronic systems such as ignition systems, sensors and the electronic control of engines.

Ferrites are widely used in many areas due to their magnetic properties, stability at high temperatures and low cost.
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How are ferrites formed and what properties do they have?

Ferrites are formed by the reaction of iron oxide (Fe2O3) with a metallic element, such as iron (Fe), nickel (Ni) or manganese (Mn). This reaction takes place at high temperatures.

Ferrites are magnetic materials that have a high magnetizability. They belong to the group of ceramic materials and consist of a mixture of metal oxides. Ferrites have a crystalline structure and can be both hard and brittle.

The most important property of ferrites is their magnetic permeability, which indicates how well they can conduct magnetic field lines. Ferrites have a high permeability, which is why they are widely used in the electronics industry. They are used, for example, in transformers, inductors and other electronic components.

Another important aspect of ferrites is their electrical insulation properties. They are non-conductive and can therefore be used in high-frequency applications where electrical insulation is required.

Ferrites are also known for their good thermal stability. They can withstand high temperatures without losing their magnetic properties. This makes them ideal for applications in motors, generators and other devices that are exposed to high temperatures.

In summary, ferrites are magnetic materials with high permeability, good electrical insulation and thermal stability. They are used in various fields, including electronics, electrical engineering and power generation.
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What types of ferrites are there and what are the differences between them?

There are different types of ferrites, which have different properties depending on their chemical composition and structure. Here are some of the most common types of ferrites:

1. soft ferrites: soft ferrites consist mainly of iron oxide (Fe2O3) and have a high magnetic permeability. They are often used in transformer and inductor cores because they conduct magnetic fields well and can achieve high magnetization densities.

2. hard ferrites: Hard ferrites, also known as permanent magnets, consist of a mixture of iron oxide and other metal oxides such as strontium (Sr), barium (Ba) or cobalt (Co). They have a high coercive field strength, which means that they can maintain a strong magnetization. Hard ferrites are used in various applications such as loudspeakers, motors, generators and magnetic switches.

3. magnesium-zinc ferrites: Magnesium-zinc ferrites consist of a mixture of iron oxide, magnesium oxide (MgO) and zinc oxide (ZnO). They have a high electrical resistance and are often used in high-frequency applications such as shielding and filters.

4. nickel-zinc ferrites: Nickel-zinc ferrites consist of a mixture of iron oxide, nickel oxide (NiO) and zinc oxide. They have a high permeability and good electrical conductivity. These ferrites are often used in transformers and high-frequency circuits.

The differences between the various ferrites lie mainly in their magnetic properties, electrical conductivity, resistance to high temperatures and cost. Specific types of ferrites are selected depending on the area of application and the desired properties.
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What applications do ferrites have in electrical engineering and telecommunications?

Ferrites have various applications in electrical engineering and telecommunications. Here are some examples:

1. magnetic cores for transformers and chokes: Ferrites are often used as magnetic cores in transformers and chokes. They help to transmit electrical energy efficiently and reduce interference.

2. radio and television antennas: Ferrites are also used in antennas to improve signal quality and reduce interference.

3. inductive components: Ferrites are used in inductive components such as coils and chokes to control current flow and reduce electromagnetic interference.

4. filters and protection devices: Ferrites are used in filters and protection devices to block unwanted frequencies and protect electronic devices from power surges and electromagnetic interference.

5. magnetic storage: Ferrites are used in magnetic cores for storage media such as hard disks to store and retrieve data magnetically.

6. high frequency applications: Ferrites are also used in radio frequency applications such as radars, cellular antennas and satellite communication systems to amplify signals and minimize interference.

Overall, ferrites have a variety of applications in electrical engineering and telecommunications as they have magnetic properties that can help improve the performance and reliability of electronic devices.
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What are the advantages of ferrites compared to other magnetic materials?

Ferrites have several advantages compared to other magnetic materials:

1. low cost: ferrites are significantly cheaper to produce compared to other magnetic materials such as neodymium or samarium-cobalt.

2) Magnetic stability: Ferrites retain their magnetic properties over a wide temperature range and are less susceptible to temperature changes compared to other materials.

3. high coercivity: Ferrites have a high coercivity, which means that they have a high resistance to magnetic demagnetization. This makes them ideal for applications where stable magnetic performance is required.

4. good electrical insulation: Ferrites are electrically insulating, which means they can be used in applications where electrical isolation is required, such as in high frequency applications.

5. wide variety of shapes and sizes: Ferrites can be manufactured in different shapes and sizes, which increases their adaptability to different applications.

6. good corrosion resistance: Ferrites are usually corrosion resistant, which means that they can be used in humid or aggressive environments without rusting or losing their magnetic properties.

Because of these advantages, ferrites are often used in applications such as transformers, inductors, electric motors, loudspeakers, magnetic sensors and high-frequency applications.
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