S4924R-125K

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Fixed inductors are a type of component that stores energy in its electric field and provides electrical impedance in a circuit. The S4924R-125K is a common example of a fixed inductor. This inductor is mostly used in power supplies, AC adapters, and other power systems.

The S4924R-125K is composed of a toroidal core made of powdered iron, a single-layer winding, and an encapsulating material. The core is the part of the inductor that stores the magnetic flux created by the current flowing through the winding, and can store a certain amount of energy in its magnetic field.The winding, often referred to as the bobbin, is made of a copper wire-wound structure, which is a fairly common way of constructing capacitors and wire wound resistors. It is also used in many other types of inductors. The encapsulating material is usually a polymeric type material, such as epoxy, and is needed to keep the inductor from coming in contact with the environment.

The S4924R-125K has a low self-resonant frequency of 75KHz, a low core loss, and a low DC resistance. This makes it ideal for use in power supplies, AC adapters, and other power systems, where high current and low losses at low frequencies are desired. It also has a high temperature rating of 150℃, which makes it suitable for use in high-temperature environment, such as those found in many automotive applications.

When used in power systems and AC adapters, the S4924R-125K works by storing the energy in its magnetic field created by the current flowing through its winding. This energy is then released slowly in the form of electromagnetic waves, which helps to reduce the amount of power losses within the system. This process helps to ensure an efficient and consistent power supply.

The S4924R-125K can also be used in circuits requiring impedance matching. The inductor acts as an impedance transformer, meaning that it can transform the impedance of the circuit from a low impedance, such as 5 ohms, to a higher impedance, such as 10 ohms. This helps to ensure that the power supplied to a circuit is consistent and reliable.

In addition to its uses in power systems and impedance matching, the S4924R-125K can be used in various radio frequency applications. It is used in RF amplifiers and filters, and is also commonly used as an antenna coil. Its high temperature rating makes it ideal for use in high temperature environments, such as those found in automotive applications.

As you can see, the S4924R-125K is a versatile fixed inductor. It is capable of providing efficient, reliable power to circuits and systems, while also allowing for impedance matching and RF applications. This makes it an ideal choice for any application requiring a fixed inductor.

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