BKP1005HS121-T Filters

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Ferrite Beads and Chips are electronic components used primarily for filtering applications. They are widely used to suppress high-frequency noise that may disrupt analog or digital signals. The most widely used form of these components is the BKP1005HS121-T, an SMT bead produced by STMicroelectronics. This SMT bead has a range of applications in automotive, industrial, consumer, and medical electronics.

Application Field

The BKP1005HS121-T is a bead-style ferrite filter component, designed for use in low-frequency filtering applications. It has a low maximum frequency of 1.8GHz and a high impedance of 3KΩ, making it suitable for suppressing noise frequencies such as cellular and 802.11b signals. It is most commonly used in automotive, industrial, consumer and medical electronics, for applications such as signal filtering of cellular phones, data bus and motor control systems. In mobile phone applications, this component can filter out unwanted signals, preventing interference from other communications systems.

Working Principle

The BKP1005HS121-T has a unique working principle based on the physics of ferrite materials. These materials have the ability to absorb electromagnetic frequencies, due to their unique electrical and magnetic properties. The BKP1005HS121-T is constructed from a ferrite material that is wrapped in a metal housing. This construction creates an inductive loop between the metal housing and the ferrite material. When high-frequency noise enters the loop, it is absorbed and reduced in intensity. This process is known as inductive impedance, and it is the main principle by which the BKP1005HS121-T filters out unwanted signals.

Conclusion

The BKP1005HS121-T is a ferrite bead component designed specifically for low-frequency filtering applications. It has a low maximum frequency of 1.8GHz and a high impedance of 3KΩ, making it an excellent choice for suppressing digital communication and RF signals in automotive, industrial, consumer and medical settings. The unique working principle of this component is based on the physics of ferrite materials, which allow it to absorb high-frequency noise and prevent interference in signal lines.

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