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Fixed Inductors

A fixed inductor is an inductor device that provides a consistent level of inductance over the breadth of its functioning temperature range. It is a type of passive electronic component that stores energy in the form of a magnetic field when an electrical current passes through it. Fixed inductors take on many forms, such as ceramic, molded shielded, SMD, radial, axial, variable, ferrrite cores, and more.

TPL802727-492H Application Field and Working Principle

The TPL802727-492H is a moulded, shielded inductor, designed primarily for use in Power Factor Correction (PFC) circuits. It has a solid core surrounded by a plastic shell. The components inside this shell are designed to act as inductors, allowing the inductor to filter out high-frequency noise in the PFC circuit and to create a smooth power waveform. The TPL802727-492H also has a large maximum current rating of 15A and a low resistance of 0.06 ohms, making it highly efficient for power conversion applications.

In terms of its working principle, the TPL802727-492H acts as an inductor when a changing current passes through it. This electrical current creates a magnetic field, which in turn induces an electromotive force in the opposite direction of the original current. This EMF is proportional to the rate of change of the current through the inductor, creating an opposition to changes of the current magnitude, thus smoothing out the electrical signal.

The TPL802727-492H can be used in various applications such as automotive, switched mode power supply (SMPS), lighting and charging systems, robotics, mobile devices and more. In the automotive industry, the TPL802727-492H provides high quality power conversion and smooth current in applications that require sustained precision. The device also improves efficiency in lighting and charging systems, as well as providing reliable operation in robotics and mobile devices.

In terms of its limitation, the TPL802727-492H has a relatively slow response time compared to other inductors in its class, making it less suitable for rapid current transitions. It can also encounter stability issues in environments where the temperature varies significantly, making it a poorer choice in the aerospace and automotive industries. Furthermore, the TPL802727-492H\'s metals can oxidise over time, decreasing its overall inductance value.

Overall, the TPL802727-492H is an excellent choice for applications requiring high current and reliable filter performance for PFC circuits. Its ability to reduce power distortion provides improved power conversion efficiency and smoother current transitions. However, despite its quality performance, the device should be used with caution to avoid potential stability problems.

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