BLM15HG102SH1D Filters

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Ferrite Beads and Chips

A ferrite bead is a basic form of an inductor, typically described as a passive two-terminal electrical component used for suppressing high frequency noise in electronic circuits. It is a type of high-frequency signal filter with an iron-based magnetic core, formed of a variety of compounds of ferric oxide, as its main element. Ferrite beads are commonly used as EMI (electromagnetic interference) filters that can be attached to cables, embedded in power supplies, panels, and boards, and even in plastic molding components.

BLM15HG102SH1D Application Field and Working Principle

The BLM15HG102SH1D is a ferrite bead module used to suppress high-frequency noise produced by switching power supplies, inverters, communication lines, and other similar systems. This ferrite bead module is designed to reduce EMI when used in power supply sections and other similar applications in which various DC circulating currents flow through the line.

The BLM15HG102SH1D operates by restricting the noise from being propagated through a cable or wire by creating an impedance block. It works by utilizing the magnetic permeability offered by the ferrite bead to create an inductive impedance along the signal line. This opposes the flow of high frequency energy within the system and reroutes it to ground. When attached to a cable, the ferrite bead acts as a filter, providing an impedance to the DC circulating current and absorbing the high-frequency noise electromagnetic energy at greater frequencies. This allows the main signal to pass without interference while absorbing the electromagnetic radiation.

Aside from its stand-alone application, the BLM15HG102SH1D can also be used in conjunction with other components, such as capacitors, inductors, resistors, and transformers, with maximum efficiency. This ferrite bead module can also be used in high voltage DC applications as well, from 70V up to 200V, and is particularly effective at suppressing conducted noise from switching power supplies, inverters, communication lines, and so on.

The BLM15HG102SH1D\'s module is designed to handle up to a maximum of 1.5A of current, while providing a high-frequency noise absorption of up to 500 MHz. In addition to its commonly used features, this ferrite bead module has a low profile design, making it suitable for use in applications where there is very limited space available.

In summary, the BLM15HG102SH1D ferrite bead module is designed to reduce the interference of high frequency noise produced by switching power supplies, inverters, communication lines, and other electrical components. This ferrite bead module provides an impedance block to the noise and helps to reduce its propagation along the line. This module is ideal for high voltage DC applications, up to a maximum of 1.5A of current and a high-frequency noise absorption of up to 500 MHz, while having a low profile design that is perfect for applications with limited space.

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