B82721J2501N022

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Common Mode Chokes are used to reduce the noise caused by electromagnetic interference. The B82721J2501N022 is an example of these devices, and its application field and working principle will be discussed here.

The B82721J2501N022 belongs to the family of “gate-drive common mode chokes”. It is designed for use in industrial, consumer and lighting applications, for example high frequency AC drives, the power supplies of electronic ballasts and dimmers. The choke is rated for 2x2x1mm current 5 A and can handle repetition rise/fall times of up to 4 MHz. It is made of two symmetric windings, both of which are separated by a ferrite core.

The main advantage of using the B82721J2501N022 is that it offers low leakage inductance and high differential impedance, according to the frequency of the current. This makes it a good choice for protecting AC drive systems from interference generated by surrounding sources such as power lines or other circuits. This also helps ensure a stable, efficient operation of the system, by preventing voltage spikes caused by electromagnetic interference.

The B82721J2501N022 works on the principle of “common mode noise cancellation.” This is the process of reducing unwanted noise in a current or signal by using a filter which blocks some frequencies of current. In the case of the B82721J2501N022, it uses two symmetric windings which are placed over a ferrite core. This core works like a shield, blocking some frequencies of current and stop the noise generated by these frequencies from reaching the system. It also helps the current to flow in both directions, allowing it to have a stable current even when the signal is not balanced.

Another important feature of the B82721J2501N022 is its high temperature stability. The choke is designed to remain stable up to a temperature of 125 ◦C, making it suitable for high temperature applications.It is also designed to be used in high EMI/RFI environments. The choke provides high differential impedance levels of up to 120 Ω, meaning it can effectively block out any unwanted interference from nearby sources.

The B82721J2501N022 is a great choice for applications which require reliable noise reduction and high temperature capabilities. With its high differential impedance levels, it can effectively reduce unwanted noise while ensuring stable operation of the system. Its small size also makes it easy to integrate in a variety of designs and applications.

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