BLM18KG121TN1D

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Ferrite beads and chips are a type of frequency-dependent energy storage device used to reduce electromagnetic interference in electric and electronic circuitry. They are commonly used in a number of high frequency applications, such as communication systems, radio receivers, and in data and signal processing circuits. One of the most commonly used ferrite beads and chipset is the BLM18KG121TN1D series manufactured by BEL Fuse, Inc. These devices are designed for applications with a wide range of frequencies ranging from 10 KHz to 18 GHz.

The Application Field of BLM18KG121TN1D

The BLM18KG121TN1D series is a monolithic device designed for use in high frequency applications such as cellular and PCS systems, RF receivers, TV tuners, and digital signal processing circuits. It is specifically designed to provide a low inductance path for high frequency current, enabling efficient EMI/RFI filtering. The low inductance path helps to reduce both the size and cost of electronic circuits, while enabling them to operate at higher frequencies.

The device consists of a single block made up of three ferrite tube elements, each of which are connected together in parallel. It is extremely compact and features low electrical impedance, making it ideal for use in high frequency systems. Additionally, it is designed to handle high power usage and provides a continuous frequency range from 10 KHz to 18 GHz.

The Working Principle of BLM18KG121TN1D

A ferrite bead is a type of electromagnetic energy storage device designed to reduce interference in electric and electronic circuitry. It works by using a ferrite core to create a low impedance path for current, thereby redirecting electrical noise away from sensitive components. This reduces the amount of interference that can affect the operation of a circuit or device.

The BLM18KG121TN1D device consists of three ferrite elements connected in parallel, each of which works independently to reduce interference. As the current passes through the ferrite core, it creates a field that acts to repel the EMI and RFI noise. This helps to reduce the amount of interference that can affect the operation of a circuit or device, creating a higher level of signal integrity.

The BLM18KG121TN1D series is also designed to provide a high level of electrical isolation, which helps to protect sensitive components from damaging surges. Additionally, it is designed to withstand high voltages, making it suitable for use in a variety of applications.

Conclusion

The BLM18KG121TN1D series ferrite beads and chips are an ideal solution for high frequency applications such as communication systems, radio receivers, and in data and signal processing circuits. The device features a low inductance path for high frequency current, enabling efficient EMI/RFI filtering and high isolation, while also being able to withstand high voltages. Overall, the BLM18KG121TN1D series provides a reliable and cost-effective solution for use in high frequency applications.

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