Common mode choke selection would largely depend on the EMI characteristics of your power supply. Normally, you would choose the inductance value based on the amount of EMI that you would like to attenuate.

Amorphous and ferrite cores are two types of magnetic cores used in a variety of electronic devices, such as transformers, inductors, and motors. They have different properties that make them suitable for different applications.

Amorphous cores are used in car audio applications because they offer a number of advantages over traditional ferrite cores.

This article will focus on the advantages and application areas of anti-dc transformer core.

Best amorphous ribbon is composed of Fe, Co, Si, B, etc. It has high permeability, constant permeability ,low remanence and low loss at high frequency.

When a relatively good EMC effect is achieved, the performance specifications of the magnetic ring are determined, and then combined with the product structure to adjust the actual size of the magnetic ring structure used