160R-821GS

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Fixed inductors, which are non-variable reactances, consist of one or two windings of a conductor built around an iron core, ceramic, or air core. The 160R-821GS series of fixed inductors is produced by Yageo Corporation, and is part of their common mode choke (CMC) family. CMCs are electromechanical components used to suppress interference in low-voltage, low-frequency circuits, and their performance characteristics are designed to support a wide range of applications.

The 160R-821GS series excels in controlling high-current differential-mode (DM) and common-mode (CM) interference in low-voltage, low-frequency circuits. These are among the most widely used CMCs, with a wide range of applications, including automotive braking systems, motor controllers, surveillance cameras, and many other consumer applications. The 160R-821GS series also features an operating temperature range of -55°C to +125°C, which allows them to be used effectively in extreme climate conditions.

The working principle behind the 160R-821GS series is based on the use of two separate windings which are wrapped around an iron or ceramic core and placed in close proximity to each other. Under normal conditions, the two windings are magnetically coupled, meaning that any variations in current through one winding are mirrored in the other. This creates a differential-mode noise filter, which suppresses the high-frequency interference caused by the unbalanced current. In addition, the two windings can also create an electromagnetic field capable of reducing common-mode noise, due to the increased range of the electric field.

The 160R-821GS series also features a high-common mode impedance, which helps to reduce average EMI emissions. This is because the currents in the two windings are confined to the core, rather than allowing them to expand into the surrounding environment, thus providing greater shielding from interference.

The 160R-821GS series also has a wide range of current ratings, allowing them to be used in a wide variety of applications. The current ratings range from 100mA to 10.5A, and are designed to meet the most demanding applications. This makes the 160R-821GS series one of the best CMCs for low voltage, low frequency circuits.

In conclusion, the 160R-821GS series of fixed inductors is a highly efficient and effective way to protect low-voltage, low-frequency circuits from interference caused by high current differential-mode and common-mode signals. They feature a wide range of current ratings, an operating temperature range of -55°C to +125°C, and a high common-mode impedance, making them an ideal choice for a wide range of applications. As such they are perfect for use in automotive braking systems, motor controllers, surveillance cameras, and other consumer applications.

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