744231181

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Common Mode Chokes are passive electronic components used to suppress high frequency switching noise in power lines, smartphone chargers, blue tooth devices and other digital signal cables. The 744231181 Common Mode Chokes is specifically designed to improve noise performance in high frequency digital applications. It can be found in all levels of consumer electronics, especially those that use USB type-c charging ports.

Common Mode Chokes function by providing a low impedance path to ground so that high frequency switching currents can be quickly blocked. Generally, they comprise a winding on a magnetic core, encased in an epoxy resin, and one side of the winding is connected to the ground. This ensures that any switching noise that is generated on the power line is absorbed, and the other side is completely isolating the ground from the power line.

The 744231181 Common Mode Chokes has two application fields and working principles. First, it can be used in the protection circuit of mainboard power line, which is mainly used for power line noise filtering. It is connected parallel between the power line and the grounding line. When the switching noise is generated, the winding will accumulate the given leakage mutual inductance, so as to form an electromagnetic loop. It has the effect of enabling the inductor to absorb the high frequency noise, and thus the harmonics in the circuit can be suppressed, power line voltage can be stabilized, and the power line can be released.

The second application field of the 744231181 is in the charging circuit of lithium battery. It is mainly used for the magnetic isolation of the charging circuit and the main board reset circuit. A ferrite core is added to the charging circuit to suppress the high-frequency noise from the main board reset circuit, so that the charging voltage and current is not affected.

Overall, the 744231181 Common Mode Chokes has two distinct application fields and functionalities. It can be used for noise filtering in power line circuits and lithium battery charging circuits. In both applications, the working principle is the same, namely providing a low impedance path to ground so that high frequency switching currents can be quickly blocked. Therefore, the 744231181 Common Mode Choke is an essential component for high-performance digital applications.

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