LI1806C151R-00 Filters

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Ferrite Beads and Chips are components found in many different electronic devices and products, and they are designed to both alter and improve the performance and characteristics of these products. The LI1806C151R-00 in particular is a multi-layer ceramic and micro-chip component widely used as a general purpose EMI filter in many peripheral products. This article will discuss the application field and working principle of the LI1806C151R-00.

The LI1806C151R-00 is often incorporated in EMI suppression applications such as cellular phones, digital cameras, PDAs, laptop computers, and other portable electronic products. It is especially useful in products requiring electromagnetic shield construction because it has both high frequency (3-28MHz) EMI filtering and low frequency (152kHz-2.48Mhz) EMI filtering capabilities. The multi-layer construction of the LI1806C151R-00 allows for both efficient EMI filtering and low insertion loss.

In order to understand how the LI1806C151R-00 works, it is first necessary to understand the functions of a ferrite bead. Ferrite beads are composed of magnetic ferrite material and are designed to stop electrical current from travelling along external cables and radiating as electromagnetic interference. The magnetic material functions as an inductor, which blocks the alternating current that is generated by electrical equipment. The bead also prevents unwanted signals from entering the cable and interfering with the signal that is trying to be transmitted. The ferrite beads, or chips, are typically used in pairs, where one bead is placed at the end of the input cable and the other at the end of the output cable.

The LI1806C151R-00 is a multi-layer ceramic component which provides both a common-mode and differential-mode filter. It is composed of multiple layers of high-grade ferrite material, and each layer provides a certain level of EMI protection to the overall product. The different layers within the component are separated by insulating material and are stacked in a cylindrical pattern. The number of layers varies depending on the particular application, with up to ten layers being used. The ferrite material is highly effective at blocking electromagnetic frequencies of 3-28MHz and 152kHz-2.48Mhz.

The working principle of the LI1806C151R-00 is relatively simple. When an alternating current is applied to the component, it creates an inductor which blocks the current and reduces the amount of interference that is generated by the device. The beads also act as a shield, preventing unwanted signals from entering the cables, which allows for a more reliable transmission of data. The multi-layer construction of the component provides additional protection from interference, as the multiple layers of magnetic material are better able to block the interfering signals.

In conclusion, the LI1806C151R-00 is a multi-layer ceramic component that is widely used in many peripheral products, such as cell phones, digital cameras, and PDA’s. It is composed of multiple layers of ferrite material, which are effective in blocking electromagnetic frequencies from 3-28MHz and 152kHz-2.48Mhz. The component works by creating an inductor which reduces the amount of interference that is radiated by the device, and it also acts as a shield to prevent unwanted signals from entering the cables. The LI1806C151R-00 is an effective and reliable EMI filter, and can be found in many different products.

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