PM104SH-220-RC

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Fixed inductors are very useful components in modern electronic circuits, often used to store energy at a fixed frequency or to filter signals. Many modern applications require specific inductor types, such as the PM104SH-220-RC. This specific inductor is well-suited to applications such as noise/EMI reduction in digital devices, RF signal filtering, control loop stabilization and power line filtering. In order to understand how this inductor can be effectively used in these applications, it is important to understand its design and working principle.

The PM104SH-220-RC is a rohs, halogen-free compliant, low-profile, surface-mountable fixed inductor. It is a non-shielded power inductor that features an iron core with high Q, and a flux-simulated core design. This component has a DCR of 0.82m ohms, an inductance of 220μH, and a current rating of 4.0A. In terms of construction, the inductor is composed of two clips at the top and bottom for secure mounting, a molded plastic enclosure for insulation, and a central core made of a mixture of ferrite and ceramic material.

In terms of operation, the PM104SH-220-RC follows a simple principle. When an alternating current (AC) passes through the inductor, the flux emanating from the core induces a voltage in opposition to the applied current. This voltage, known as the inductance voltage, opposes changes in current, and therefore functions as a kind of filter. This allows the inductor to reduce undesirable signals (noise/EMI) and stabilize certain control loops.

The PM104SH-220-RC is very useful in applications such as power line filtering, where a continuous and highly filtered signal is desired. The inductor\'s low DCR and high Q values ensure a highly efficient performance. It is also very useful in RF signal filtering, where it can remove undesired signals and preserve the desired frequency. Lastly, it is also effective in control loop stabilization, where it can be used to keep the signal at a steady frequency while allowing sufficient current levels.

The PM104SH-220-RC is a versatile and reliable fixed inductor that is suited to many modern applications. Its efficient, low-profile design makes it ideal for tight spaces, and its flux-simulated core design grants it excellent performance in filtering signals and controlling loops. When used appropriately, the PM104SH-220-RC can provide the performance, reliability, and cost-savings that many modern applications require.

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