BK20104M431-T Filters

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Ferrite beads and chips are types of magnetic components used to filter out and suppress undesirable signals that can cause interference to other components. They are also used to reduce crosstalk among high-speed signals operating in close proximity. BK20104M431-T is one such example of a ferrite bead and chip that been specifically designed to provide low insertion loss and wide frequency range up to 1GHz. This is typically used in Ethernet applications, USB 3.0, and high-speed serial link applications.

Application Field

The BK20104M431-T is frequently used in high-speed data transfer applications where reduced signal interference and crosstalk are critical. It should be considered especially for use in the consumer electronics industry where there is a need to prevent EMI (electromagnetic interference) and RFI (radio frequency interference). Other areas where this type of ferrite bead and chip can be used include laptop and desktop motherboards, LCD/LED monitors, digital audio and video products, wireless handsets, and digital cameras and camcorders.

Working Principle

Upon inspection, the BK20104M431-T appears as a small rectangular shaped chip. It’s composed of multiple layers of soft ferrite material that are designed to absorb EMI and RFI transmissions. In order to work, this chip must be connected in a series or parallel along the path of electrical signals. When an electric current passes through the chip, the magnetic field that is created forces any unwanted signals circulating in the EMI/RFI frequencies to be transferred away and absorbed into the chip. This, in turn, reduces any level of interference before it reaches the desired component.

The chip is also designed to handle high frequencies without distorting them. The ferrite material consists of small mixture of ferric oxide and iron. When subjected to a strong magnetic field, these materials become magnetized and can be used to store data, increase power efficiency, and provide protection against any distortions in the signal. The BK20104M431-T is designed to provide an effective solution to a wide variety of noise issues and interference problems that can crop up in high-speed data transfer environments.

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