7350-V-RC

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Common mode chokes are a type of electronic component used in a wide variety of power electronic and analog applications. The 7350-V-RC is a popular model of common mode choke that is used for filtering and noise-reduction. This article aims to provide an in-depth look into the application field and working principle of this device.

Structure

The 7350-V-RC is a single-phase common mode choke designed with a wide range of applications in mind. It is composed of a ferrite core or a bobbin, two coils magnetically coupled with each other, an internal shield, and a terminal cover. The ferrite core is a certain core material made of soft ferrite used to reduce magnetic losses. The two coils have the same structure, magnetically coupled to each other, which enables a wide frequency range. The internal shielding layer prevents noise generated by the power electrode from spilling over. The terminal cover reduces the noise generated by the surrounding environment.

Application Field

The 7350-V-RC is designed to be used in a variety of applications related to power electronics, including ac to dc converters, ac motor control systems, inverters, computer power supplies, AC-DC switching power supplies, and high-frequency circuits. It can be used to suppress both common mode and differential mode noise in power electronic systems. Common mode noise occurs when noise is equally present on both lines in a two-wire system. Differential mode noise occurs when noise is present on both lines, but at different magnitudes.

Working Principle

The 7350-V-RC works by using the core and coils to create a magnetic field that blocks or suppresses noise. It works by having the two coils oppose each other, forming a magnetic loop around them. The two coils generate magnetic fields that oppose each other, so the noise generated by them is cancelled out and cannot pass through the magnetic field. Additionally, the magnetic field blocks out noise from the environment, thus reducing the amount of noise in the system.

Advantages

The 7350-V-RC offers several advantages over other common mode chokes. It has a wide range of working frequencies, from 10 kHz to 1 MHz, and a wide working temperature range, from 40°C to 150°C. Additionally, it has a high saturation flux density, excellent temperature stability, and a low insertion loss. Furthermore, it has a high reliability, is low-cost, and has a long lifetime.

Conclusion

The 7350-V-RC is a popular and reliable common mode choke used in a variety of power electronic and analog applications. It is composed of a ferrite core and two coils, and works by creating a magnetic field that blocks or suppresses noise. It has a wide range of working frequencies and wide working temperature range, as well as the other advantages mentioned above. With its high reliability and low cost, the 7350-V-RC is a great choice for power electronic systems.

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