100-182K

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Fixed inductors are electrical components found in many electronic circuits. They are commonly used in power supplies, high-frequency amplifiers, and other applications that require a constant voltage or current.

An inductor is a passive two-terminal electrical component that stores energy in a magnetic field when an electric current is passed through it. Inductors are typically constructed with a coil of wire around a magnetic core. The magnetic field created by the current in the coil creates a force that opposes the increase or decrease of the current through the inductor.

A fixed inductor is an inductor with a predetermined inductance value, which cannot be adjusted. The inductance, measured in henries, can fluctuate, due to components such as temperature, but is set within a certain range. Fixed inductors can also be known as discrete inductors, power inductors, or rod inductors. Fixed inductors are commonly made from ferrite, powdered iron, or magnetic alloy.

The most common application of fixed inductors is in power supplies, where they are used to filter out any undesirable signals that may be present in the circuit. Fixed inductors also find uses in high-frequency amplifiers to ensure that the signal remains strong and consistent. In addition, fixed inductors are often used in high-voltage circuits, where the current pulse ability of inductors is required to reduce high voltage.

Fixed inductors are available in a wide range of sizes and inductance values, from as low as 100 microhenries to as high as 182 kilohenries. Depending on the application, any one of these values can be selected and used in a circuit. The most commonly used sizes are between the two extremes, as their performance is better compared to larger values.

The working principle of a fixed inductor is based on the electromagnetic effect. When current is applied to the inductor, a magnetic field is produced in the winding, which induces a voltage that opposes the change of the current. The voltage drop created by the inductor is proportional to the magnitude of the current and is expressed as the inductance.

In summary, fixed inductors are electrical components used in many different electrical circuits. They typically have a predefined inductance value that cannot be changed and are available in sizes ranging from 100 microhenries to 182 kilohenries. The working principle of fixed inductors relies on the electromagnetic effect, where a voltage is induced that opposes current changes. Fixed inductors are commonly used in power supplies, high-frequency amplifiers, and other circuits that require a constant voltage or current.

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