4379-121KS

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Fixed inductors, such as the 4379-121KS, are small electronic components that functions as a coil and stores electrical energy in the form of a magnetic field. The 4379-121KS type of fixed inductors are especially popular in switching power supplies, step-up energy converters, and electronic filter circuits. It features low audible noise, low DCR, and high current capability.

The 4379-121KS inductor is composed of two basic parts, a core and a coil. The core of a 4379-121KS consists of an air gap, or an iron core or a ferrite core. The coil of a 4379-121KS is made of one or more turns of wire which stores the energy. The coil of a 4379-121KS can be from a few turns up to several hundred turns, depending on the desired inductance.

The application field of the 4379-121KS fixed inductor is quite broad. This type of inductor is extensively used for switching power supplies such as laptop computers, televisions, telephones, etc. Moreover, the 4379-121KS is quite popular in the step-up energy converter applications especially in solar and wind power systems. Additionally, it’s gainful within the filter circuits due its low noise rating. This component is generally used to filter out high-frequency harmonics from the operating voltage and help produce a clean and accurate electric signal.

The working principle of the 4379-121KS inductor is actually quite simple. When the power supply is activated, the current flows into the coil through its input terminals and generates a magnetic field. This magnetic field, due to the inductance effect, prevents the current from accumulating in the coil and causes it to flow back through the output terminals. Thus, the 4379-121KS fixed inductor stores electrical energy in the form of a magnetic field and tends to oppose sudden changes in current.

In general, the 4379-121KS fixed inductor features high-power handling capability, low audible noise, low DCR, and a secure assembly. This makes it a perfect choice for many applications including power supplies, step-up energy converters, and filter circuits. Above all, the 4379-121KS fixed inductor is quite popular in the industry due to its low cost and high performance.

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