28B0390-200

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Ferrite Cores - Cables and Wiring

The 28B0390-200 is a type of ferrite core, composed of two components, a ferromagnetic core material and an external connection for wires. It is used to protect electrical and electronic components from high voltages and current surge, electromagnetic interference (EMI) and electrostatic discharge (ESD). This core can be used in a variety of applications, from mobile phones and laptops to industrial systems and medical equipment.

Applications of 28B0390-200

The 28B0390-200 is most commonly used in the following areas:

• Telecommunication equipment: The 28B0390-200 has been used in mobile phones and other electronic devices to protect them from electromagnetic interference. It can also be used to prevent cross talk between radio towers.
• Electromagnetic compatibility (EMC): This type of ferrite core can be used to reduce electromagnetic noise in enclosed areas. It is also used to protect computers, modems, and other sensitive equipment.
• Ac Drives: The 28B0390-200 is commonly used in ac drives for protection against external interference and to reduce noise.
• Medical Equipment: This core is used to protect medical equipment and other sensitive components from high voltage and current surges.
• Industrial Automation: This core is used in industrial automation systems such as robotics and process control systems to protect them from electromagnetic interference.

Working Principle of 28B0390-200

The 28B0390-200 ferrite core works on the principle of shielded inductance. This core is made up of two parts: an internal ferromagnetic core material and an external connection for wires called the loop inductor. The ferromagnetic core material stores the electrical energy in the form of a magnetic field, while the external connection allows the current to flow around the inductor in a closed loop.

The 28B0390-200 ferrite core functions by suppressing the high-frequency current produced by electromagnetic interference (EMI). When an EMI signal is introduced into the circuit, the ferrite core absorbs the signal and stores it as a magnetic field. This magnetic field will oppose the incoming current, resulting in attenuation of the signal and protection of the components connected to the circuit.

In addition to EMI suppression, the 28B0390-200 ferrite core also has other benefits such as increased signal clarity, reduction of crosstalk between multiple electronic signals, and improved operation in high-temperature and high-humidity environments.

Conclusion

The 28B0390-200 ferrite core is a type of core composed of two parts, a ferromagnetic core material and an external connection for wires. It is used to protect a variety of electrical and electronic components from high voltages and current surge, electromagnetic interference (EMI) and electrostatic discharge (ESD). This core works on the principle of shielded inductance and is used in telecommunication equipment, EMC, ac drives, medical equipment, and industrial automation.

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