PE-0402HFB152ST Filters

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Ferrite beads and chips are essential components in the world of electronics. PE-0402HFB152ST is a four layer monolithic Ni-Zn ferrite bead-type power inductor. This device is an advanced solution for many consumer electronics applications where board space is limited and it is designed to reduce EMI (electromagnetic interference) and provide reliable EMI filtering performance.

The PE-0402HFB152ST ferrite bead has a working frequency range from 1MHz to 5GHz and an impedance range of 100Ohms to 100 Kiloohms at various frequencies. It is a 4.02mm x 1.52mm x 1.47mm SMD type device that is comprised of four layers: two ferrite, one adhesive, and one external chip substrate. The external chip substrate is composed of a Ni-Zn ferrite core or bell, and is complemented by two copper shielding layers, an internal ground layer, and a polymeric adhesive to secure the device onto the board.

The application areas of the PE-0402HFB152ST ferrite bead include the automotive, avionics and consumer electronics markets such as cellular phones, wireless devices and laptop computers. This device is capable of attenuating high frequency interference signals in any of these consumer electronics applications. The PE-0402HFB152ST is particularly useful in cellular phone applications due to its high attenuation performance and its reduced physical size.

The working principle of the PE-0402HFB152ST ferrite bead is based on it’s four layer design. The internal ground layer is connected to the external lead frame, allowing the device to impend the higher frequency signals that are received from the originating signal source. At the same time, the two ferrite layers, comprised of a Ni-Zn ferrite core, provide a highly effective EMI barrier. The two copper shielding layers increase the effectiveness of the internal EMI barrier, while the polymeric adhesive helps to secure the device to the board.

In summary, the PE-0402HFB152ST ferrite bead is a reliable and compact solution that is designed to reduce EMI and provide reliable EMI filtering performance in a variety of consumer electronics applications. Its four-layer design enables it to effectively reduce high frequency noise interference, while its small size makes it ideal for tight spaces. This device is ideal for automotive, avionics and consumer electronics applications, and is particularly useful in cellular phone applications due to its high attenuation performance and reduced size.

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