BLM18HG102SH1D Filters

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Ferrite beads and chips are a family of components that contain ferrite material. Ferrite is a ceramic material comprised of metal oxides which provide excellent magnetic permeability and enables the component to provide excellent EMI/RFI suppression. The BLM18HG102SH1D is a magnetic component designed for EMI/RFI suppression. This component is available in a 2.0x1.25x1.05mm SMT package to enable increased board space savings.

The BLM18HG102SH1D is a high performance ferrite bead chip from Murata. The rated impedance range is 10.3 to 15.9 Ohms and current ratings of up to 1.0A (resonant frequency of 3.0 MHz). This chip is suitable for both high frequency interference suppression (for example, for ZigBee/Bluetooth protocols) as well as high frequency signal integrity in digital applications due to its low loss and broad frequency response.

The working principle behind the BLM18HG102SH1D is simple. Electromagnetic radiation generated by a connected circuit is suppressed by the ferrite beads embedded in the chip. This is achieved by passing the emission through the beads where it is absorbed and dissipated as heat. The bead\'s high inductance property also enables the chip to act as a low pass filter, suppressing frequencies above the rated impedance range.

The BLM18HG102SH1D chip is widely used in numerous applications where EMI/RFI suppression is essential. These applications range from radio frequency circuits, battery powered circuits, digital circuits, power supplies, motor drives, and automotive to consumer electronics. This chip is suitable for use in applications where frequency spans range from low to high, with peak current ratings of up to 1.0A. However, the chip should not be used in applications where excessive high frequency interference is expected since the chip is not designed to handle such levels of radiation.

In summary, the BLM18HG102SH1D is a premium quality high performance ferrite bead chip from Murata. This chip is suitable for use in numerous applications where EMI/RFI suppression is essential such as radio frequency circuits, battery powered circuits, digital circuits, power supplies, motor drives, and automotive and consumer electronics. The chip is versatile and is able to suppress a wide range of frequencies from low to high. However, the chip should not be used in applications that require excessive high frequency interference.

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