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Fixed Inductors

An inductor is a passive electrical component used to store energy in a magnetic field. They are generally used in electrical and electronic circuits and can be found in a variety of applications. One type of inductor is the fixed inductor, which is used when the requirements of the circuit remain unchanged. An example of a fixed inductor is the TDK SDR1005-4R7ML.

SDR1005-4R7ML

The TDK SDR1005-4R7ML is a surface-mount ceramic based fixed inductor. It has a good initial inductance tolerance of +10/-30 percent, even at high temperature, making it suitable for a large variety of applications. The inductor also offers a very low profile of 0.6 mm and no shield or wraparound wire.

Application Fields

The TDK SDR1005-4R7ML is primarily used for applications requiring a high level of precision and stability. This includes DC-DC converters, signal line chokes, DC signal couplings, and various other electronic circuits. As this inductor has a good initial inductance tolerance, it is also suitable for use as an electronically controlled inductor in digital circuits.

Working Principle

An inductor works by storing energy in a magnetic field. When current flows through an inductor, it induces a magnetic field which stores the energy. The stored energy is equal to the amount of current times the inductance of the inductor. When the current stops flowing, the stored energy is then released. This is what gives inductors their unique properties. As the TDK SDR1005-4R7ML is a fixed inductor, it continually stores and releases energy when current is passed through it.

Conclusion

The TDK SDR1005-4R7ML is an excellent example of a fixed inductor, and a suitable choice for a variety of applications requiring a high level of precision and stability. The inductor has a good initial inductance tolerance, a low profile, and no shield or wraparound wire, making it very easy to efficiently and accurately integrate into any electrical circuit.

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