LAL04NAR47M

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Fixed inductors, such as the LAL04NAR47M, are a necessary component in many electronic circuits. They are passives, meaning they get power from the circuit they’re in and only changes the form of it. In this application field, they have a specific purpose which is to store energy as a magnetic field when exposed to an electric current. They have two primary functions - to act as an AC filter, and to improve signal quality. They are also useful in DC/DC converters, as the providing the current to the power converter, and also to drive active loads for speed control.

Generally, the main applications of the LAL04NAR47M fixed inductors are in signal-level, or low-level applications, where current levels remain low but the speed is finite. Inductors are used to reduce interference or noise, usually EMI (electromagnetic interference) in common-mode applications. They are also used in mobile/wireless applications to reduce and replace resistors in antenna matching circuits for improved efficiency.

The way these inductors work is simple - in the presence of current, a magnetic field is generated within their core. This magnetic field has the capability to store energy, which is then released when current is decreased. This results in a reverse voltage, allowing the inductor to absorb energy.

As for the LAL04NAR47M in particular, it has inductance of 4.7 mH, which means the inductor can store energy up to this level. With a max saturation current of 2.1A, the maximum amount of energy the inductor can handle is 4.7mH x 2.1A = 9.87mW, which is big enough for common-signal level applications. In addition, it also has a peak current rating of 3.5A, so it is suitable for applications requiring a higher current.

The LAL04NAR47M fixed inductor is also very reliable, and offers a wide range of features such as wide current range operation, low profile design and high performance. Additionally, it has an excellent temperature range of -55°C to +125°C, making it suitable for a variety of applications, and a life time of one million cycles. This makes it an ideal choice for many electronic circuits.

In conclusion, the LAL04NAR47M fixed inductor is an ideal choice for many electronic circuits, offering significant benefits, including its wide current range operation, low profile design and high performance. It can be used in a variety of applications, including signal-level and low-level applications, EMI reduction, and mobile/wireless applications. Its working principle is simple – in the presence of current, a magnetic field is generated within its core, allowing it to store energy.

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