SP1812R-123H

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Fixed inductors, also known as coils, store energy in the form of an electromagnetic field. This type of inductor is typically used in applications such as radio and television, motors, and other electrical equipment. The SP1812R-123H is a popular inductor that is suitable for high quality signal transmission in a wide range of frequencies. Its performance can be further enhanced by its low insertion loss, wide operating temperature range, and good EMI suppression.

The SP1812R-123H is a surface mount fixed inductor with an inductance value of 12 uH. It is made of high-quality ferrite material, which ensures good high-frequency performance and high efficiency. The device has a compact size and easy installation features, making it ideal for small space applications. It has an operating temperature range of -40 °C to +125 °C.

The working principle of a fixed inductor is based on the principles of electromagnetic induction. When electric current flows through a conductor, such as a wire, an electromagnetic field is generated. This electromagnetic field induces current in a second conductor, which is the inductor. As the current flows through the inductor, the induced current creates a voltage drop that opposes the original voltage of the current.

The SP1812R-123H has one terminal on each of its ends. When a current is applied at the first terminal, a voltage is induced across the other terminal. The magnitude of the induced voltage depends on the inductance of the device, which is measured in microhenrys (µH). The voltage drops as the frequency of the applied current increases, allowing for regulated current and voltage.

The SP1812R-123H is used in a variety of applications due to its reasonable cost, high efficiency, and low EMI leakage. Its applications range from broadcasting, industrial and medical equipment, electronic and communication systems, to automotive. By installing the device in such applications, it helps to control the current, minimize leakage current, and reduce the risk of electromagnetic interference (EMI).

In conclusion, the SP1812R-123H is a reliable and low-cost fixed inductor with wide operating temperature range and good EMI suppression, making it suitable for a variety of applications. Its working principle is based on the principles of electromagnetic induction, while its easy installation features and high quality ferrite material ensure high efficiency and good high frequency performance.

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