BMB2A0120RS2

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Ferrite Beads and Chips

A ferrite bead or ferrite chip is a passive two-terminal electrical component, which acts as an inductor. It is a powerless current limiting device, used within electronic circuits and components, to reduce voltage, current, and electromagnetic interference (EMI). Commonly known as “beads” or “chips”, ferrite components are used in a variety of applications, such as computers and telecommunication systems, and in various connector types. They can also be used in conjunction with other electrical components, such as capacitors, resistors, and inductors.

The BMB2A0120RS2 ferrite bead from TDK is a chip with a rated current of 0.04A. Due to its low dimensions (3.0mmx2.0mmx1.2mm), it can fit in even the smallest arrangements. The low profile of the component makes it ideal for use in densely packed PCBs (Printed Circuit Boards), where increased reliability and miniaturization are a must. It has a wide frequency range covering 10MHz up to 500MHz, and a wide impedance range covering 6.4Ω up to 240Ω. The BMB2A0120RS2 ferrite chip offers excellent EMI suppression and excellent filtering capabilities.

BMB2A0120RS2 Application Field

The BMB2A0120RS2 chip is mostly used in industrial and consumer electronics, such as tablets, smartphones, digital cameras, digital video cameras, gaming consoles, and GPS systems. It is a perfect component for use in high-speed digital signal processing, as it can help to reduce EMI effects on sensitive sampling equipment. It is also ideal for use in power filters, as it offers excellent filtering performance. The chip is also used in other applications, such as automotive electronics, medical equipment, and even communication satellites.

BMB2A0120RS2 Working Principle

The BMB2A0120RS2 ferrite bead is a passive component, meaning it does not require any external power source to activate. A ferrite bead works by using the property of magnetism. When an AC current is applied, a magnetic field is generated due to the difference in electrical potential between the two terminals of the chip. This magnetic field interacts with the ferrite, which then objects to changes in the current flow, creating an induction effect. This induction effect helps to dissipate the electrical energy of the current, reducing current levels relative to the voltage levels. It also affects the transmission of electromagnetic interference (EMI) along the lines, helping to reduce EMI levels.

The BMB2A0120RS2 ferrite chip is a versatile, low-cost, and reliable solution for attenuating voltage, current, and EMI. It is a perfect component for reducing noise in digital signal processing and power supply applications, and is highly recommended for use in such circuit designs.

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