BK2125LM252-T Filters

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Ferrite beads and chips are one type of component used in a variety of electronic applications. In this article, we will look at the BK2125LM252-T application field and working principle.

The BK2125LM252-T is a ferrite bead from Murata. It is designed to reduce signal noise in connection lines between two or more electronic components. The bead helps to prevent EMI (electromagnetic interference) and maintain signal integrity.

BK2125LM252-T has a large dissipative insert and a small inductive insert. This allows it to effectively suppress different range of electromagnetic noise. It can handle high off-state leakage currents and have low voltage coefficient. This makes it suitable for applications where large currents are passed through and in high-impedance circuits.

The usage of this ferrite bead can be seen in a wide range of applications such as automotive infotainment systems, cellular base stations, medical and industrial equipment and consumer electronics. It is also applicable for use in digital transmission lines and pulse circuits, as well as in signal supply lines.

The working principle behind the BK2125LM252-T is that it acts as an inductor on the power component side and as a resistor towards the ground side. The bead\'s inductive and resistive properties helps to suppress noise in electronic applications.

The insertion loss is for both the high frequencies and the low frequencies. The bead is capable of attenuating currents in various frequency spectra, ranging from below 10 MHz up to several GHz.

The bead operates with low DC resistance and even lower AC impedance. This helps reduce both the noise after EMI and the time to discharge any residual charge, keeping signal integrity.

The BK2125LM252-T is ideal for reducing voltage peaks, current pulses and high frequency noise in digital signal lines for CMOS and TTL logic families. It can also be used to reduce EMI in a wide variety of applications.

In summary, the BK2125LM252-T is a ferrite bead used to reduce signal noise in connection lines, while maintaining signal integrity. It has a large dissipative insert and a small inductive insert, which helps to attenuate noise in multiple frequency spectra. The bead has low DC resistance and even lower AC impedance, making it suitable for applications with high-impedance circuits.

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