SPM3012T-4R7M-LR

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Fixed Inductors are used in a myriad of applications like power supplies, EMI filters, DC-DC converters, and switching regulators. The SPM3012T-4R7M-LR is a fixed inductor built by Coilcraft. In this article, we will look at its application fields and working principle.

Application

The SPM3012T-4R7M-LR is designed to be used in automotive and high-temperature applications. It has a rated temperature range of -40°C to +150°C, making it well-suited for automotive applications such as engine control modules, cooling systems, and lighting systems. It can also be used in applications requiring excellent thermal performance such as DC-DC converters for automotive energy management systems, and consumer products requiring high temperature stability.

Working Principle

An inductor is a passive electronic component that stores energy in the form of a magnetic field. When current passes through an inductor, the electric field that is created induces a magnetic field, which stores the energy. This stored energy can then be released when the current is stopped. This is the working principle of an inductor.

The SPM3012T-4R7M-LR is designed to have a high Q-factor (quality factor), which allows it to store more energy. The higher the Q-factor, the better performance the inductor has. The SPM3012T-4R7M-LR has a Q-factor of 10.0 at 100 kHz, allowing it to store more energy and provide better performance in its applications.

Conclusion

The SPM3012T-4R7M-LR is a fixed inductor suitable for automotive and high-temperature applications. It has an impressive Q-factor of 10.0 at 100 kHz that allows it to store more energy. This makes it a reliable inductor for applications requiring high temperature stability, like DC-DC converters and consumer products.

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