PL9128

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Fixed inductors are devices used mainly in electronic circuits to provide stable and predictable inductance. The PL9128 is a specific type of fixed inductor that is made with a ferrite core and copper wire, which is then covered in a non-phthalate plastic housing. The ferrite core is composed of hexagonal-shaped ferrite material with a high concentration. The copper wire is either formed by wrapping it around the core or with internal windings. The ferrite material has the property of low electrical conductivity, which creates inductance when the copper wire is wound around it. The wire windings are located within the core and can be wrapped around it in either one or two directions.

The reason why the PL9128 is called a “fixed” inductor is due to the fact that the inductance always remains constant no matter how much current is passed through it. This makes it an ideal choice for applications where a constant and stable inductance is needed. Additionally, the device has excellent noise suppression characteristics due to its low electrical conductivity.

As mentioned earlier, the inductance in the PL9128 is created by the copper wire winding around the ferrite core. As the current passes through the copper wire, it induces a magnetic field around the core. This magnetic field then stores the energy, which results in the inductance. The amount of inductance is determined by the number of turns of the copper wire around the core, how much current is passing through the wire, and the size of the core. Generally, the larger the core, the more inductance that can be obtained.

The primary purpose of the PL9128 is for Radio Frequency (RF) applications such as telecommunications and wireless communication. The device is designed to be used in antennas, receivers, and transmitters for these types of applications. The device is also used in power amplifiers, voltage controlled oscillators, and other electronic systems that require a stable source of inductance. In addition, they are also often used in HF transformer circuits including Resonant LC circuits as well as various other applications.

In conclusion, the PL9128 is a fixed inductor that is designed specifically to provide a stable and predictable inductance. The device is composed of a ferrite core and copper wire, covered in a non-phthalate plastic housing. It is often used in radio frequency and other applications that require a high-quality source of inductance. As such, the PL9128 is a great addition for any electronic systems that need a reliable and constant inductance.

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