ELL-SFG470MA

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Fixed inductors are used primarily in electronic circuits that need to store electrical energy and to limit current flow for a given application. The ELL-SFG470MA is a specific type of fixed inductor that is commonly used in a broad range of applications. This article looks at the application field and working principle of this type of inductor.

Application Field

The ELL-SFG470MA fixed inductor is a versatile component that can be used in a wide variety of applications. Specifically, this type of inductor is commonly used in communications equipment such as radar and mobile communications, radio frequency identification (RFID) equipment, high-speed switching circuits, power amplifiers, and various types of industrial electrical equipment.

The ELL-SFG470MA can also be used in power supply and power management applications. It is ideal for projects that require low stray capacitance and high self-resonant frequency as well as fast switching applications. Additionally, this type of inductor is suitable for use in noise suppression circuits and signal filtering applications.

Working Principle

An inductor is essentially a coil of wire that stores energy by creating an electromagnetic field when an electric current passes through it. The ELL-SFG470MA is a fixed inductor, meaning that its inductance (measured in henrys) is fixed and does not vary with changes in current, voltage, or frequency.

The ELL-SFG470MA features a low DC-resistance rating of 0.3 ohms, making it ideal for use in high-frequency applications. Additionally, it has a high self-resonant frequency of 8MHz and a high-current saturation rating of 4.7A. This type of fixed inductor is also designed to reduce voltage spikes by discharging the stored energy when voltage drops.

In terms of construction, the ELL-SFG470MA is composed of a ferrite core around which the inductor wire is wound. This design ensures that it has a low level of housing capacitance and a high level of isolation. One of the key advantages of this type of inductor is its ability to limit peak reverse voltages by virtue of its relatively low inductance.

The ELL-SFG470MA is a widely used type of fixed inductor. It is extensively deployed in various types of communications and industrial equipment due to its low DC resistance rating, high self-resonant frequency, and high-current saturation rating. Additionally, its compact size and ferrite core construction make it an ideal choice for projects that require low housing capacitance and high isolation.

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