2890R-40F

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Fixed inductors are widely used in various electronic circuits. They are mainly used in high frequency applications, such as receivers, transmitters, and antennas. The 2890R-40F is one such fixed inductor.

The 2890R-40F is a wire-wound inductor with a 40 mH inductance rating and a 1-2.5 A current rating. It has a max allowable ripple current of 60 mA and a maximum operating temperature of 85°C. It also has a surge current capability of up to 5 A. The 2890R-40F is a non-polarized inductor, meaning it doesn\'t have a preferred direction of current flow.

The primary application of the 2890R-40F is in RF filtering applications. It is used in filters, such as low pass, band pass, and high pass filters. It is also used in harmonic filters and DC/DC converters. The precision wire-wound construction of the 2890R-40F makes it ideal for use in sensitive applications that require consistent performance.

The main operating principle of a fixed inductor is Faraday\'s Law of Induction, which states that when a conductor is placed in a magnetic field, an electric current is induced in the conductor. The 2890R-40F operates on this same principle, where current is induced in the wire-wound construction as a result of the surrounding magnetic field. The magnitude of the current induced depends on the impedance and inductance of the inductor.

The 2890R-40F is also used in power supply designs. It is commonly used in series with other components to regulate the flow of current. This can be used to reduce ripple and control the voltage across the device.

In addition, the 2890R-40F can be used as an EMI filter. It is used to reduce electromagnetic interference in sensitive circuits. EMI can disrupt or degrade the performance of electronic devices, so it is important to use effective EMI filters to protect these devices.

Overall, the 2890R-40F is a versatile fixed inductor that can be used in various applications. Its precision wire-wound construction makes it ideal for use in RF filtering and EMI filtering applications. It can also be used in power supply designs to regulate the flow of current.

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