MS75085-19ST

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Fixed Inductors MS75085-19ST application field and working principle

Fixed inductors are a type of electro-mechanical device which convert electrical energy into stored magnetic energy, and then back again. They are used as components in a variety of electrical and electronic circuits, as well as in AC and DC power supply circuits. Common applications for fixed inductors include power conversion, telecommunication, automotive, aerospace, and consumer electronics.

Application Field

Fixed inductors such as the MS75085-19ST from KEMET are used for applications that require high current switching and low resistance. Specifically, they are designed for automotive systems and related applications that need reliable high current power supplies and high inductance levels due to the wide operating temperature range (-40°C to +85°C). The MS75085-19ST is also well suited for test benches and industrial applications that require low-noise power supply current.

Working Principle

Fixed inductors are passive components that store energy by utilizing an electrical current. They are composed of an inductor coil consisting of an insulated copper wire wound around a core material, usually a ferromagnetic material like iron. An alternating current passes through the inductor, creating a magnetic field. Some of the energy in the current is stored in this magnetic field, until the current ceases, and then the energy is released back into the current, to complete the circuit.

The size and type of inductor core material used affects the inductance value of the device. In general, a heavier core material increases the inductance. The number of times a wire is wound affects the inductance. More times wound yields greater inductance, and vice versa. The current in the inductor also affects the output inductance. A greater current creates a stronger magnetic field and thus a higher inductance value.

Conclusion

The MS75085-19ST fixed inductor from KEMET is a versatile and reliable component, designed for a variety of automotive and industrial applications. It is designed to provide low resistance and high current switching. Additionally, its wide operating temperature range makes it suitable for high power duties under extreme conditions. Fixed inductors are ubiquitous in a variety of applications. The primary benefits are their ability to convert electrical energy into stored magnetic energy, and back again.

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