Here at Cosmoferrites, we are frequently asked about Ferrites and how they can be used to assist with our customers' testing efforts. We'll go through some of the fundamentals of ferrites and how they can be used in electronic devices in this article.

What are ferrites, anyway?

Iron oxide is mixed with one or more metallic elements to form ferrites, which are ceramic compounds. Ferrites do not conduct electricity; in reality, the substance has a high resistance to electricity. They have a high magnetic permeability as well. Ferrites are an excellent method for reducing electromagnetic interference (EMI) in many electronic devices due to their high resistance to electricity.

What are the applications of ferrites?

Ferrites are available in a wide range of shapes and sizes, with ferrite beads being the most common form used in electronic devices. Strong cores or snap-on cores, each fitting around a wire, are available. Ferrite beads filter high-frequency electrical noise by creating a low-pass filter. Electromagnetic interference is prevented by these beads from traveling from one system to another.

Smaller ferrite beads may be used internally on individual circuit components, whereas larger ferrite beads are commonly used on circuit cabling.

What products contain ferrites?

Ferrites are used in a wide range of electronic devices, including computers, power supplies, televisions, and even children's toys. Manufacturers can significantly boost their products' ability to minimize high-frequency EMI/RFI electronic noise by using ferrites with them.

How do I know if ferrites are needed for my products?

Ferrites are commonly used to ensure that goods meet regulatory standards for EMI emissions, such as those set out by the FCC. Early pre-testing will help you decide if ferrite beads can aid in meeting regulatory requirements for your goods.

Some product designers use ferrite beads to ensure that excess RF energy is suppressed and converted to heat; others prefer to leave room in product designs so that beads can be inserted later if they are necessary during testing.

Is Cosmo Ferrites able to help me with ferrite selection and application?

Cosmo Ferrites research engineers are well-versed in the use of ferrite beads and other ferrite products to help reduce high-frequency electronic noise, and they are available for consultation at any time during the testing process.

If you are looking for E Core, ER Core, and Toroidal cores for your transformer or Application, you will want to source them from a well-established and ISO 9001 certified manufacturer. Cosmo Ferrites Limited has been manufacturing quality Soft Ferrites of various types for many years. The company can provide you soft ferrites core in various sizes to help you meet your application requirements.