SCB75F-391

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Fixed Inductors

Fixed Inductors are widely used in electronic circuits, and one such type is the SCB75F-391. This section looks at the application fields and working principles of the SCB75F-391 fixed inductor.

Application field of SCB75F-391

The SCB75F-391 is a surface-mount, high-current inductor made from ferrite cores and M-type shields. It can be widely used in commercial devices such as switching power supplies, DC/DC down converters, home appliances, computers, routers, indicators and game consoles.

Despite its small size, the SCB75F-391 provides a high capacitance, with rated inductance of 150μH, dc current ratings of 3.2A in the air, and peak current ratings of 18.0A. Besides, the SCB75F-391 features low dc resistance less than 70mΩ, low profile, a compliant RoHS rating and high magnetic performance.

Additionally, the SCB75F-391 has excellent acoustic noise characteristics. This makes them perfect for use in audio and switching power supplies outputs.

Working principle of SCB75F-391

Fixed inductors operate by creating a magnetic induction between two or more wires. This induction can then be used to control the current flowing in the circuit. In the case of the SCB75F-391, the inductor is made up of a ferrite core and shield and works by creating a magnetic field around its core. This field can be used to regulate the current flowing through the inductor.

When current passes through the inductor, an electromotive force (EMF) is induced. This EMF is what causes the magnetic field around the inductor and causes the current to flow. The magnitude of the EMF depends on the number of turns in the coil and the rate of change of the current.

When the magnitude of the EMF reaches its maximum value, the current begins to decrease. This is because the EMF has reached its limit and the rate of change of the current is now decreasing. The decreasing current causes the magnetic field to dissipate and the inductor’s current to drop.

This is a basic overview of how a fixed inductor operates. The SCB75F-391 inductor has a specific design that allows it to produce the highest current possible without using too much power. In addition, its low profile and RoHS compliance makes it a great choice for many applications.

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