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Fixed Inductors

Inductors are passive electronic components that generate an electromagnetic field when supplied with an electric current. They act as a temporary storage device for electrical energy, controlling the amount of current and voltage flowing through a circuit. Fixed inductors, sometimes known as nonelectrical or non-adjustable inductors, are designed to provide a specific reactance value with minimal variation over temperature, voltage, and time.

One type of fixed inductor is the SD3814-151-R, which is made up of a copper ferrite core, a coil, and a plastic body. The SD3814-151-R is primarily used in power supplies, high frequency switching, and audio filter applications. Its primary application field is the telecom and automotive industry.

The working principle of the SD3814-151-R is based on Faraday’s law. When an electric current is fed into the SD3814-151-R, an electromagnetic field is produced around the ferrite core, which induces a voltage in the windings of the coil. The voltage induces an opposing current in the coil, creating an opposing field. This opposing field creates enough opposition to reduce the current passing through the inductor.

The amount of voltage induced in the coil is determined by the reactance of the inductor. Reactance is a measure of the inductive property of the device and is a function of both the core material and the number of turns in the coil. The SD3814-151-R has a reactance of 25.8 nanohenries (nH). This value remains constant over temperature, voltage, and time, allowing for consistent performance regardless of environmental conditions.

The SD3814-151-R also features a stable current handling capacity. This allows the device to safely operate without overheating or damaging nearby components. The SD3814-151-R is rated to handle a maximum of 6.4 amperes (A) before the device reaches its saturation point, meaning that it can safely handle higher currents without any shortening of its lifespan or the risk of permanent damage.

In summary, the SD3814-151-R is an excellent choice for applications requiring low-resistance inductors. Its stable reactance and current handling capacity makes it a great choice for power supply, high frequency switching, and audio filter designs. Coupled with its high-reliability construction, the SD3814-151-R is an ideal solution for the telecom and automotive industries.

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