47221SC Inductors, Coils, Chokes

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Fixed Inductors are a form of electronic components which are widely used in various electrical and mechanical applications. The 47221SC is a specific type of fixed inductor that comes in a variety of models and configurations. This article will discuss the key features and working principles of the 47221SC.

The 47221SC is a surface-mount component designed for use in a range of low-frequency electrical and electronic circuits. It is a non-polarized device with a rectangular outline and low parasitic characteristics. Its unique architecture and construction make it ideal for use in signal filtering, power conversion and signal routing applications.

In terms of its physical size, the standard pitch of the 47221SC fixed inductor is typically 0.6 mm wide and 0.3 mm high. It comes with a range of core configurations, including solenoidal, axial and radial. The 47221SC also has a standardized pin-out configuration, which is used to enable different electrical connection schemes.

In terms of its working principle, the 47221SC fixed inductor relies on the self-induction principle. Basically, this principle states that the flow of energy through an inductor changes with the rate of the induced current. The inductor’s core consists of an arrangement of copper windings which are wrapped around a solid core of ferromagnetic material. When an input current is applied, the ferromagnetic core becomes magnetically charged and induces a voltage in the windings. This induces a current in the windings which is proportional to the input current, thus providing the inductive effects that are essential for numerous applications.

The 47221SC is generally designed for use in low-frequency circuits, with a maximum operating frequency of about 1MHz. The component also provides tolerance of up to ±10%, and a low insertion loss of about 0.2 dB. This means that the power losses suffered by the inductor are minimized, thus enabling efficient operation and reliable performance.

The 47221SC is also designed to offer excellent temperature stability, with a temperature coefficient of about 0.5 ppm/°C. This ensures that the inductor’s operation is not affected by variations in the ambient temperature. The temperature stability feature is also important for any inductor which is designed to be employed in switched-mode power supplies, as it ensures that the inductor remains within its specified operating parameters across varying temperatures.

In terms of its applications, the 47221SC is best suited for use in electronic circuits and systems which require low-frequency signal filtering or power conversion. It is also ideal for use in switched-mode power supplies, voltage regulator modules, and frequency-sensitive applications. It can also be used in inverter circuits to provide energy storage and mitigation against power surges and transients.

In conclusion, the 47221SC fixed inductor is an excellent device for use in electronic circuits and systems which require low-frequency signal filtering or power conversion. Its self-induction principle, low insertion loss, temperature stability, and high tolerance make it an ideal choice for applications such as switched-mode power supplies, voltage regulator modules, and frequency-sensitive situations.

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