SRP1040-4R7M Inductors, Coils, Chokes

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Fixed inductors, such as the SRP1040-4R7M, are components used in electronic circuits to store energy in the form of an electric field. They are typically used in applications that require high-frequency AC or DC signal filtering or impedance matching. The SRP1040-4R7M is a type of inductor with a horizontal mounting style and a through-hole termination.

The SRP1040-4R7M is a surface mount, open-frame, four-hole, low-profile inductor with a 4.7μH inductance rating and a 10% tolerance rating, making it suitable for applications involving low input currents. It is composed of a ferromagnetic core wrapped in copper wire and encased in a plated plastic housing. The inductance rating is determined by the size and shape of the wire and the amount of turns in the coil.

As far as application fields, the SRP1040-4R7M is suitable for use in circuits that require large values of inductance in limited space, such as power supplies, AC/DC converters, voltage regulators, switch mode power supplies, and communication systems. In these circuits, the inductor filters unwanted signals and reduces interference on the input power lines. It can also be used as a load balancer for input currents and provide impedance-matching for input devices.

In terms of its working principle, the SRP1040-4R7M acts as an inductor by storing energy in the form of an electric field. When an alternating current is run through its coil, an electromagnetic field is produced that interacts with the AC current and induces a change in its frequency. This change in frequency is known as dampening, and it helps to reduce or eliminate unwanted noise and interference in the signal.

The SRP1040-4R7M also works as an impeder, providing impedance matching. When an AC signal is presented to the input of the inductor, the amount of current flowing through it depends on its impedance, which is determined by the inductance value. By adjusting the inductance value, the impedance of the inductor can be changed, allowing it to be optimized for specific load conditions.

Overall, the SRP1040-4R7M is a versatile, low-profile fixed inductor with a 4.7μH inductance rating and a 10% tolerance rating. It is suitable for applications requiring high-frequency AC or DC signal filtering, impedance matching, load balancing, and noise reduction. Its versatile design and wide range of application fields make it an ideal choice for many electronic designs.

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