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Common Mode Chokes

Common Mode Chokes are components that control unwanted common mode current in the electrical network. They serve as an effective filter and are generally used to reduce radiated emissions from the network. They come in various configurations, such as surface mount, through-hole mount, and bulkhead mount, and with a variety of impedances, inductances, and current ratings. Common Mode Choke products are used in a wide range of applications, including power supplies, electronic appliances, and automotive systems.

B82725J2602N020 Application Field and Working Principle

The B82725J2602N020 is a Common Mode Choke product manufactured by EPCOS. It is a mid-range frequency, surface-mountable, SMD (Surface Mount Devices) ferrite choke that has a very low DC resistance. It has an induction of 5.2 μH and a winding resistance of 5.1 mOhm. The B82725J2602N020 is suitable for use in a variety of applications, as it can reduce radiated emissions and improve the power quality of the network. It can be used in a variety of electronic circuits, such as power converters, Switch-Mode Power Supplies (SMPS), industrial frequency changers, and other applications that require stronger shielding against signal interference.

Common Mode Chokes can suppress common mode noise in two ways. The first is the dynamic mechanism, where the suppression of the common mode noise is due to the varying mutual inductance between its two windings. The second is the static mechanism, where the suppression of the common mode noise is due to the winding DC resistance. The B82725J2602N020 is designed for use in applications with both dynamic and static suppression of noise.

The B82725J2602N020 has a one-piece low-profile construction that makes it suitable for use in tightly packed circuits. Its unique micro-fiber design provides high attenuation properties, and its high permeability ferrite core allows for a thin-wall structure. The B82725J2602N020 is UL approved and RoHS compliant.

In terms of performance, the B82725J2602N020 is extremely effective in reducing common mode noise. It can reduce noise across a wide frequency range, from 100 kHz to 1 GHz. The device is rated up to a maximum current of 1.14 A and has a differential mode attenuation of greater than 96 dB. On top of that, it has a low winding resistance of 5.1 mOhm, which means that it can handle large amounts of current without overheating.

In conclusion, the B82725J2602N020 is an excellent choice for use in applications that require enhanced noise suppression and improved power quality. It is a highly reliable and efficient component that can be used in a wide range of applications, including power supplies, electronic appliances, and automotive systems.

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