Common mode magnetic ring inductors

Common mode magnetic ring Inductors

Common mode inductor, also known as common mode choke, magnetic ring common mode filter, ring common mode inductor, wound inductor, oscillation coil, common mode noise suppression inductor, good anti-interference, diversified forms for suppressing the electromagnetic wave generated by high-speed signal line radiation emission.

Magnetic ring common mode inductor Features:

When the normal current in the circuit flows through the common mode inductor, the current will generate reverse magnetic field in the inductor coil wound at the same phase and cancel each other out. In this case, the normal signal current is mainly affected by the coil resistance (and a small amount of damping due to leakage). When there is a common mode current flowing through the coil, due to the co-directivity of the common mode current, the magnetic field in the same direction will be generated in the coil and the inductance of the coil will be increased, so that the coil will show high impedance and produce strong damping effect, so as to attenuate the common mode current and achieve the purpose of filtering.

Magnetic ring common mode inductor application scope:

It is often used to filter common mode electromagnetic interference signals in computer switching power supply. In board design, common mode inductance also plays the role of EMIEMC filtering, 5G communication, power supply, home appliance control board, artificial intelligence and many other fields, power electronics, three-phase input filter, motor, frequency converter interference suppression, frequency converter, power charging pile, common mode noise suppression;