SD25-4R7-R Inductors, Coils, Chokes

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Fixed inductors are a type of electronic component that stores energy in a magnetic field when electric current is flowing through it. An inductor is very similar to a resistor in that it can also be used to control the current in a circuit, but the main difference is that an inductor can store this energy and then release it at a later time when the current is reversed. The SD25-4R7-R is a type of fixed inductor that is designed for use in high frequency applications.The SD25-4R7-R is a low-profile, multi-layer fixed inductor that has a nominal inductance of 4.7 mH. It is designed to operate in a frequency range of 0.1-5GHz. The component is constructed using an enameled copper wire wound around a ferrite core. It is then sealed in a ceramic case that provides both mechanical and thermal stability to the inductor. The inductor also has a total permissible operating power of 25W.The SD25-4R7-R has a wide range of applications due to its high Q-factor and high-frequency specifications. These include radio frequency (RF) applications such as low noise amplifiers (LNAs), filters, shunts, DC-to-DC converters, and power supplies. It is also used in cellular phone applications and GSM/UMTS/WiFi base stations as an antenna tuner or LNA.The working principle of an inductor is based on the concept of electromagnetic induction. According to this principle, current flowing through a wire will induce a magnetic field around it. This magnetic field will then induce a voltage in the same wire, if that wire is cut, thereby causing a current to flow in the opposite direction. This process is known as self-inductance and is the basis for the operation of the SD25-4R7-R.When electrical current is applied to an inductor, it stores the energy in the form of a magnetic field. This stored energy can then be released whenever the current is reversed. This phenomenon is known as inductive reactance, and it is the basis for the operation of the SD25-4R7-R.In summary, the SD25-4R7-R is a high-frequency, low-profile, multi-layer, fixed inductor with a nominal inductance of 4.7 mH. It is designed to operate in a frequency range of 0.1-5GHz and has a total permissible operating power of 25W. It has a wide range of applications, including RF applications, cellular phone applications, and GSM/UMTS/WiFi base stations. The working principle of the SD25-4R7-R is based on the concept of electromagnetic induction, which is the phenomenon of current inducing a voltage in the same wire if that wire is cut.

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