SP1210R-394G

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Fixed inductors, such as the SP1210R-394G, are components that store energy in the form of an electromagnetic field as electric current passes through them. They are commonly used in a variety of electronics applications, such as power supplies, voltage regulators, amplifiers, and signal transmissions. In this article, we will explore the application field and working principle of the SP1210R-394G.

The SP1210R-394G is a high-quality inductor made of a ceramic core and two copper windings, and it has a rated current of 3.5A and an inductance value of 398mH. It is designed to provide stable power in applications that require a consistent current, such as in LED lights and other DC lighting systems. The compact size (12.1mm x 10mm) of the fixed inductor also makes it ideal for applications where space is at a premium, such as in automotive electronics.

The working principle of a fixed inductor is based on Faraday’s law of induction. When electric current flows through the inductor, an electric field is created in the space surrounding it. This electric field then induces a magnetic field in the inductor itself, with its polarity depending on the direction of the current flow. The electric field is said to be “fixed” because it is not affected by changes in the magnetic field.

The fixed inductor acts as an energy storage device: when the electric current is redirected or turned off, the stored energy is released in the form of a magnetic field. This allows the inductor to act as a buffer between two circuits, which is especially useful in applications where a slow rise or fall time is necessary.

In addition, the SP1210R-394G fixed inductor also has other important characteristics. It has high temperature resistance (up to 150°C) and high reliability due to its corrosion-resistant material. It also features excellent inductance and low DC resistance, meaning that it has low power dissipation and minimal losses when used in circuits.

Overall, the SP1210R-394G is an ideal choice for a wide range of fixed inductor applications. Its small size and high temperature resistance make it suitable for use in automotive electronics, while its low power dissipation and excellent inductance also make it an ideal choice for LED lighting and other DC lighting systems. By understanding the application field and working principle of the SP1210R-394G fixed inductor, engineers and technicians can accurately select the best product to meet their requirements.

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