LI0805H400R-00 Filters

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Ferrite beads and chips are electronic components that are used in circuit designs in order to reduce the electromagnetic interference (EMI). The ferrite beads typically consist of a magnetic material such as an iron-zinc alloy or a combination of other ferromagnetic materials. The core is then coated with an insulating material and sealed for protection against environmental contaminants. The LI0805H400R-00 is a ferrite chip from Laird Technologies, which is designed for use in power supply and alike.

Application Field

The LI0805H400R-00 ferrite chip is designed primarily for applications related to power supplies. Typical uses include power supplies, AC/DC converters, switch mode power supplies (SMPS), and high frequency power supplies such as DC/DC and AC/DC converters. The ferrite chip is highly suitable for use in medical equipment, instrumentation, industry automation and other applications where high frequency is a key factor. The chip is small enough to fit inside even the most compact devices, allowing for efficient use of limited board space.

Working Principle

When current is passed through a ferrite bead, it creates a magnetic field that resists the flow of current, producing a low-impedance path for the signal for better suppression of high-frequency components. The chip also exhibits low inductance values, making it particularly suitable for use in switch-mode power supplies and converters. The chip is engineered with an effective noise reduction ratio that captures and dissipates interference, reducing the level of unwanted noise. This ensures that the overall performance of the device in which it is installed is improved, reducing the chance of disruption or failure.

The LI0805H400R-00 ferrite chip utilizes a Bead-on-Foil-Trace-Path construction that improves thermal conduction, providing superior temperature control in order to enhance performance. The chip also features a maximum operating temperature of 125°C, with a thermal shock resistance of 6.5 KNm/m2K. Combined, these features make the chip well-suited for applications that require high-performance, high-frequency operation.

As an added benefit, the LI0805H400R-00 ferrite chip is also RoHS compliant, meaning that it does not contain any hazardous materials, making it safe for use in any environment. Additionally, the chip is resistant to a wide range of environmental conditions, including dust, moisture, and corrosion, allowing it to remain reliable and perform its intended job under a wide range of conditions.

In conclusion, the LI0805H400R-00 ferrite chip is an ideal solution for a variety of power supply and alike applications requiring high frequency. Small enough for even the most compact devices, the chip can effectively reduce unwanted noise and provide superior temperature control. Further, it is RoHS compliant and resistant to a range of environmental conditions, making it an ideal choice for applications that require reliability and performance.

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