2890-42J

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Fixed inductors are versatile electrical components that are used across a variety of applications. The 2890-42J is an example of a fixed inductor and it is capable of offering several exciting advantages to end-users. This article will be discussing the application fields and working principle of the 2890-42J fixed inductor.

Application Fields & Working Principle

The 2890-42J fixed inductor is primarily used in communications systems, industrial automation, aerospace and defense, medical equipment and healthcare systems. It is specifically used to regulate the amplitude of the current flowing through it, improving the accuracy of the output current and protecting connected components by limiting the voltage. The inductor can also be used for rectification or filtering current from a power supply, making it very versatile and applicable for various industries.

The 2890-42J is a ferrite-cored inductor with a winding resistance of 1.5 Ohms. It offers a wide range of operating frequencies, with peak current ratings of up to 7 Amps. The inductor can also handle high temperatures, up to 150°C, making it suitable for use in aerospace and defense applications. Further, the 2890-42J is a high inductance component and is capable of providing up to 250 mH of inductance. This makes it suitable for use in high inductance applications, such as power line filters.

The working principle of the 2890-42J is two-fold. First, its ferrite core opposes changes in the current flow, meaning that even fluctuations in the input current can be accurately controlled. In addition, its winding resistance ensures that the power flowing through the component is well-controlled. This means that engineers can use this product to regulate the amplitude and voltage of the signal passing through it without any major losses.

The 2890-42J also works on the principle of self-resonance, which is how it creates the required inductance. When a current passes through the coil, it begins to oscillate at its resonance frequency. This oscillation works to create an electromagnetic field, which is then used to induce voltage within the coil. This action ensures a consistent inductance is maintained and has the effect of filtering out any disturbances in the current.

In summary, the 2890-42J is an ideal fixed inductor for a variety of applications. Its wide operating frequencies and high temperature capabilities make it suitable for use in many fields, while its high inductance and winding resistance offer reliable performance. Its ability to self-resonate makes it especially well-suited for use in high inductance applications and its ability to regulate the amplitude and voltage of the current offer significant advantages to the end-user.

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