4379-101KS

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Fixed Inductors

Fixed inductors are a type of electronic component which are designed to store electrical energy in the form of a magnetic field. They are commonly used in circuits to provide inductance, which is needed to create an electrical circuit with a specific frequency response or to couple and decouple signals from one part of a circuit to another. The 4379-101KS fixed inductor is a surface-mount component with a maximum operating temperature of 125°C.

4379-101KS Application Field

The 4379-101KS fixed inductor is a lead-free, high temperature, 10µH surface-mount inductor. It is designed for use in applications with switching frequencies between 900kHz and 1.2MHz, making it suitable for use in a variety of electronic circuits. This high temperature inductor is also suitable for automotive and other harsh environments that require a reliable inductor.

The 4379-101KS is especially well suited for use in situations where board size and height are limited, as its small size allows it to be mounted in areas with limited space. Its high temperature and low ESR (Equivalent Series Resistance) rating also make it an ideal choice for power supply modules, serial bus transmitters, switching power supplies and other applications that require a efficient and reliable inductor.

4379-101KS Working Principle

The 4379-101KS fixed inductor works by creating a magnetic field when electric current passes through it. This magnetic field stops the electrical charge from passing through, and instead stores up the energy. The inductor is designed to have a specific amount of resistance, which is referred to as inductance, measured in Henrys. When this inductance is combined with the current flowing through the inductor, it generates a back EMF which counteracts against the incoming current.

This counteraction cancels out part of the incoming electrical current, creating a “lowered” resistance. This lowered resistance is referred to as inductive reactance, which is calculated using the formula Xₗ=2πfL, where f is the operating frequency and L is the inductance. The amount of resistance produced by the 4379-101KS fixed inductor is 10 µH.

The 4379-101KS fixed inductor also has a saturation current rating of 6A and a DC resistance of 0.2Ω. The saturation current rating is the highest amount of current that can be passed through the inductor before the magnetic field is saturated and the inductor can no longer produce the necessary resistive force to counteract the incoming current. The DC resistance is the amount of current that the inductor will exhibit at zero current, and is used to calculate the inductance.

Conclusion

The 4379-101KS fixed inductor is a high temperature, surface-mount device designed for use in applications with switching frequencies between 900kHz and 1.2MHz. It is lead-free and has a maximum operating temperature of 125°C. The 4379-101KS has a saturation current rating of 6A and a DC resistance of 0.2Ω, and its inductance is measured at 10µH. Due to its small size and high temperature capabilities, this fixed inductor is especially well suited for use in automotive applications and other environments that require a reliable and efficient inductor.

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