SC-05-30J

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Common Mode Chokes (CMCs) are devices composed of several winding coils and a magnetic core, which are designed to reduce the Common Mode currents in a system. The SC-05-30J is a commercial CMC design from EPCOS, which is capable of attenuating EMI noise with frequencies ranging from 150KHz to 30MHz.

The SC-05-30J is designed to work in various electrical and electromechanical applications. It is most commonly used in industrial and automotive applications, as it is capable of withstanding temperatures ranging from -40°C to +120°C. Additionally, its small size allows for installation in places with restricted space. Also, it is capable of withstanding a high mechanical shock of up to 50G.

The working principle of the SC-05-30J is based on the concept of mutual inductance. The device consists of two winding coils, each wound around a magnetic core. When an AC current is applied to one coil, a changing magnetic field is generated, which induces a voltage in the second coil. This process creates a magnetic flux over the core, which in turn produces a mutual inductance between the two coils. This mutual inductance helps reduce the Common Mode current in the system.

The amount of Common Mode current attenuation depends on several factors, such as the number of turns in each winding, the size of the magnetic core, and the frequency of the applied AC current. The SC-05-30J is designed to have a high attenuation at higher frequencies, ranging from 150KHz to 30MHz. Additionally, its low value of self-inductance ensures minimal losses in the system.

To conclude, the SC-05-30J is an advanced Common Mode Choke design from EPCOS. It is capable of attenuating EMI noise with frequencies ranging from 150KHz to 30MHz. The device is designed for use in a variety of industrial and automotive applications, as it is able to withstand temperatures from -40°C to +120°C and high mechanical shocks of up to 50G. Furthermore, the working principle of the device is based on the concept of mutual inductance, which helps reduce the Common Mode current in the system.

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