BLM18KG331SH1D

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Ferrite beads and chips are amongst the most popular and widespread EMI shielding solutions. These beads and chips are employed as filters in infinitesimal components and circuits to reduce radio frequency (RF) and electromagnetic interference (EMI).

The BLM18KG331SH1D is a special type of common mode filter series from TDK Corporation designed to suppress EMI/RFI interference in the high frequency range. Specifically designed to have excellent common mode noise suppression characteristics, this series provides maximum attenuation up to 100MHz. The BLM18KG331SH1D consists of ferrite beads and monolithic ceramic capacitors, making it a great filter for many applications.

Because this type of filter can be used for many different applications, it is classified as a Ferrite Beads and Chips product group. The BLM18KG331SH1D is perfect for applications that require a compact yet dependable solution for EMI noise suppression. This filter is suitable for DC-DC converters, automotive electronics, power supplies, audio systems, home appliances, smartphones, PCs, and more.

The primary working principle of the BLM18KG331SH1D is to reduce high-frequency common-mode noise and improve the signal/ground isolation. This filter mainly depends on the inductive effects of the ferrite beads that are used in its construction. The combination of inductors and capacitors is then used to negate high-frequency interference. The DC resistance of the beads helps keep the input and output impedance constant for up to 100MHz.

The BLM18KG331SH1D is also equipped with two ceramic capacitors connected in series to form a capacitor network. These capacitors act as a filter to remove the high-frequency noise from the signal input and output. Overall, the combination of ferrite beads and ceramic capacitors enable the filter to attenuate both EMI/RFI interference and high-frequency interference.

The BLM18KG331SH1D is able to provide an efficient EMI/RFI reduction of up to 40dB at 100MHz. It is also UL94V-0 certified and has an operating temperature range of -40°C to +125°C. This filter series is environmentally friendly and can withstand the toughest of operating conditions.

In conclusion, the BLM18KG331SH1D is part of the ferrite beads and chips product group and offers superior EMI/RFI suppression up to 100MHz. This filter is perfect for many applications that require a compact, yet dependable solution for noise suppression. The combination of ferrite beads and ceramic capacitors enables the filter to attenuate both EMI/RFI interference and high-frequency interference. Overall, the BLM18KG331SH1D is a great filter for many different types of applications.

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