4494R-335

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Fixed Inductors

Fixed inductors are passive electrical components that store energy in the form of a magnetic field. They come in a variety of sizes, shapes, and styles, and are used in many different electronic and electrical applications. One of the most popular types of fixed inductor is the 4494R-335, which is widely used in desktop computers, laptops, and other small electronic gadgets.

The 4494R-335 is a three-pin device that consists of a copper bobbin, an aluminium core, and a ferrite totem pole. It is typically rated for a maximum current of 1.5A, and a maximum power of 10W. With its compact size and low profile design, the 4494R-335 is ideal for use in devices with limited space.

Application Field

The 4494R-335 is a versatile device that can be used in a number of different applications. Its primary use is as a filter for switching power supplies, where it helps to reduce RF interference and electromagnetic noise. It can also be used to provide a constant current source for LED lighting, or as a starting point for circuits requiring an adjustable inductor. Other applications include AC line filters, DC/DC converters, and motor speed controls.

The 4494R-335 is also used extensively in automotive applications. It can be used to provide a constant electric current for electronic motoring solenoids, or as an AC shield inductor for alternator coils. It can also be used as a filter for radio frequency interference in car audio systems.

Working Principle

A fixed inductor works by storing energy in a magnetic field and releasing it at the same rate. This is similar to how an electric motor works. When electric current flows through a wire coiled around a core of ferrite material, it creates a magnetic field. The current creates a constant magnetic field around the core and the energy is stored in the magnetic field. When the current decreases or the circuit is broken, the magnetic field collapses and the stored energy is released. This energy is used to create an electric current in the opposite direction, which is the working principle of a fixed inductor.

Fixed inductors are typically rated by their inductance, which is measured in henries (H). This rating is determined by the number of turns of wire on the coil, the number of poles, the size of the core, and the permeability of the ferrite material. The higher the inductance, the more energy is stored and released.

Conclusion

The 4494R-335 is a versatile fixed inductor that can be used in a variety of applications. It is typically rated for a maximum current of 1.5A, and a maximum power of 10W, and is ideal for use in devices with limited space. It is used as a filter for switching power supplies, LED lighting, AC line filters, DC/DC converters, motor speed controls, and automotive applications. It works by storing energy in a magnetic field and releasing it at the same rate, which is determined by its inductance rating.

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