PM125SH-220M-RC

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Fixed Inductors

Fixed inductors are electrical components designed to maintain a specific amount of electrical energy or electrical current. They are composed of electrical "units," commonly referred to as "coils," that store electrical energy for later use. Fixed inductors come in various shapes and sizes, and are often categorized by their inductance, the number of turns in the coil, and their frequency response.

PM125SH-220M-RC

The PM125SH-220M-RC is a high-grade, high-performance fixed inductor. It features a maximum DC resistance of 0.220 ohms and an inductance range of 10 to 120μH. This model is made with high-quality materials and features excellent shielding properties and temperature stability. The construction is designed to provide excellent electrical properties over extended periods of time and provide a long service life.

Application Field and Working Principle

The PM125SH-220M-RC fixed inductor is widely used in electronic devices and systems, specifically in digital communications applications. It is commonly used as a balun (balanced and unbalanced) in high-frequency radio applications such as cellular phones and wireless LANs. It is also used as a filter in switching power supplies, to limit interference from other devices. The PM125SH-220M-RC works by inducing a magnetic field to store electrical energy, and then releasing that energy in a controlled manner when a current is applied.

Fixed inductors are generally designed to produce a constant current, or in some cases, a varying current at a constant frequency. In the case of the PM125SH-220M-RC, the inductance changes with the varying frequency, resulting in an alternating current waveform. The magnetizing flux in the core produces a magnetic field that stores energy, and the field strength is proportional to the current through the coil. As the current increases, the back-EMF in the coil opposes the increase in current, resulting in a constant value, which is referred to as inductance. By varying the frequency of the current delivered, different inductor values can be achieved.

Fixed inductors are an important part of virtually any electrical device or system. They have become a popular solution for a wide variety of applications, due to their stable performance, low cost, and small size. The PM125SH-220M-RC fixed inductor is an excellent example of this type of component, offering excellent performance and reliability for a variety of applications.

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