SSHB10HS-R04620

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Common Mode Chokes

Common mode chokes are electronic components used to reduce or suppress electromagnetic interference in switch-mode power supplies and other switching circuits. Common mode chokes provide a common mode impedance which reduces the noise current flowing into and out of power supplies, motor drives, inverters and other industrial electronic equipment.

The SSHB10HS-R04620 common mode choke is a shielded integral common mode choke designed to reduce conducted common-mode noise and voltages between lines in different ground potentials. This component is constructed using a spiral inductor and ferrite material.

Application Field

Common mode chokes can be used in AC and DC switch-mode power converters, as well as in other switching circuits, such as motor drives, and inverters. Such applications require an effective means of restricting high-frequency noise transients due to the high operating current demands, thus providing a path for the noise, and avoiding transmission to other circuits via the power line.

The SSHB10HS-R04620 common mode choke is used in AC/DC and DC/DC systems, in DC-input SMPS, and power line filters. Its high impedance provides good filtering and attenuation of high-frequency common-mode noise, while providing a low-pass filter effect to limit the high frequency current transients occurring during switching operations.

Working Principle

A common mode choke is an electronic filter capable of selectively suppressing common mode noise, which is caused by different ground potentials in an electronic circuit. It works by creating an inductive field which acts as an impedance to the flow of common mode currents.

The SSHB10HS-R04620 common mode choke provides high-frequency filtering of common-mode noise, while providing a low-pass filter effect during switching operations. The ferrite material in the component acts as a high-frequency filter, while the spiral inductor provides a low-pass filter effect. The combination of these two elements produces an effective filter for common-mode noise and reduces the line voltage transients.

Conclusion

Common mode chokes are useful tools for suppressing common mode noise in switch-mode power supplies and other switching circuits. The SSHB10HS-R04620 common mode choke provides an effective solution for suppressing common-mode noise and voltages between lines in different ground potentials. Its construction of a spiral inductor and ferrite material enables it to offer high impedance for filtering common-mode noise, while providing a low-pass filter effect for limiting high-frequency current transients.

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