BLM31KN471SH1K

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Ferrite Beads and Chips commonly provide for filtering out signals to reduce interference on a line. The BLM31KN471SH1K is one such product in the Ferrite Beads and Chips family. The BLM31KN471SH1K is a general purpose EMI shielded power line filter ferrite bead. This ferrite bead is an E604-0073-000 type bead with a center frequency of 915 MHz, a passband attenuation of 5 dB, and an insertion loss of 3 dB.

The BLM31KN471SH1K is often used in data transmission and control systems where interference needs to be suppressed. The most common application fields for this particular ferrite bead are communication systems, consumer electronic products, medical equipment, display systems, test and measurement systems, computers, data processing, and so on. Most notably, the BLM31KN471SH1K is used in switching power supplies, which use the bead to attenuate low-frequency noises.

The BLM31KN471SH1K ferrite bead works with the principle of improved radiation interference. The high-performance ferrite material in the bead provides wide four-octave shielding over the intended frequency range, reducing the effects of RF inductance and wave-generated noise on the intended signal. The bead allows for process-level EMI reduction with its improved high-frequency performance.

This ferrite bead has a low impedance of 0.22? at 10 MHz, while operating with winding currents up to 4 A and total EMI radiation of 1.2 mV. The BLM31KN471SH1K is compact and lightweight with a diameter of 5.5 mm, an effective sectional area of 9 mm^2, an operating temperature range of -40 °C to +125 °C and a resistance range of 0.2 to 2.2 Ohms.

The BLM31KN471SH1K ferrite bead offers an extensive range of frequency and noise-reduction capabilities. The bead employs multiple layers of high-quality ferrite material to reach higher levels of EMI shielding efficiency and power line filtration. This ferrite bead is also adept at suppressing electromagnetic interference in areas such as power distribution, power supplies, telecommunications, automotive, and so forth.

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