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Fixed Inductors

Fixed inductors, sometimes referred to as chokes, are passive electronic components used to prevent unwanted high frequency signals from entering or leaving the circuitry of an electronic device. They consist of a coil of copper wire wrapped around a core, usually a metal rod. The electrical current passing through the wire induces a magnetic field, and the presence of the core amplifies this field. The magnetic field created by the inductor creates a barrier to frequencies above a certain level, thus protecting vulnerable components from damage and/or interference.

744136 Application Field and Working Principle

The 744136 fixed inductor is a surface mount package designed for high current applications in power supplies, automotive electronics, voltage regulators, audio amplifiers, and other similar circuits. The component features a small size of only 9.6 x 5.2 mm, making it suitable for tight spaces. It is designed to handle currents up to 15A, with a rated inductance of 1.5 mH. A ferrite core is used for the inductor, allowing for improved efficiency at higher currents compared to air-core models. The device is rated to operate over a wide temperature range (-40°C to 125°C).

In operation, the 744136 fixed inductor works by creating a magnetic field that acts as an opposition to any AC signal passing through the component, which limits the signal\'s frequency range. The higher the inductance of the component, the lower the frequencies it is able to block. The ferrite core used for this device helps to increase the inductance by increasing the ratio of the magnetic fluxes generated by the current passing through the winding. This allows the inductor to retain its high efficiency at higher currents compared to air-core models.

The 744136 is suitable for a variety of applications, including power supplies, automotive electronics, voltage regulators, and audio amplifiers. It can be used to create a high-pass filter or a low-pass filter in these applications, allowing for improved noise immunity and signal filtering capabilities. The device can also be used to form resonant circuits, providing a high degree of electrical isolation between its input and output.

Overall, the 744136 fixed inductor can be used to ensure the reliable function of a variety of electronic systems and components. Its small size and high current capability make it an ideal choice for tight spaces, and its ferrite core design ensures improved performance at higher currents. The component is capable of blocking both high and low frequencies, making it suitable for a variety of signal filtering applications.

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