SPM4012T-R47M-LR

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Fixed Inductorsare passive electronic components that store energy in a magnetic field and release it as an electric current. The device usually consists of an aluminum or copper wire wound around a permeable core (such as ferrite, powdered iron, or air) or core-less. The most common form of fixed inductor is an inductor coil, which is also known as a choke. The SPM4012T-R47M-LR is one of such type of fixed inductors.

The SPM4012T-R47M-LR is a radial inductor, which is designed to use high-frequency radio waves in applications such as communication, radar, and radio broadcasting. It features a ferrite core and a high-temperature resistant enameled wire winding, making it ideal for high-frequency applications. The inductor has an inductance range of 47 uH +/- 10%, and a rated current of 0.4A. It is further characterized by an operating frequency range of 1KHz-20MHz and a self-resonant frequency greater than 26MHz. The T-R47M-LR also offers excellent electrical characteristics, such as high coil efficiency, uniform wire spacing, and low EMI/RFI electromagnetic interference.

The main working principle of the SPM4012T-R47M-LR is based on the fact that when an electrical current is passed through a wire wound around a magnetic core, a magnetic field will be created in the core. This magnetic field will oppose the current, thus reducing the voltage at the output. In essence, the inductor will act like a resistor, providing a higher voltage when subjected to increasing current. The ability of the inductor to reduce the output voltage for a given current is known as inductance.

The inductor\'s primary application is to reduce the output voltage of circuits to protect components from overvoltage and other fluctuations. The inductor\'s ability to reduce voltage extends beyond high-frequency radio applications and can be used to safely limit the output of circuits for a variety of purposes. In addition, the SPM4012T-R47M-LR can also be used to increase the efficiency of power supplies, as well as reduce the amount of noise emitted from the circuit.

Overall, the SPM4012T-R47M-LR is a highly reliable and efficient inductor designed for use in a variety of high-frequency applications. Its combination of high efficiency, uniform wire spacing, and low EMI/RFI noise make it an ideal choice for use in communication systems, radar systems, and radio broadcasting. By reducing the output voltage for given current, the SPM4012T-R47M-LR also helps protect sensitive components from overvoltage and other fluctuations.

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