Amorphous Alloy PFC Cores
The PFC cores (Power Factor Correction) with gap is based on the Fe-based amorphous alloys, It has excellent characteristics of constant inductance and anti-DC magnetic bias, and the loss is lower.
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The PFC cores (Power Factor Correction) with gap is based on the Fe-based amorphous alloys, It has excellent characteristics of constant inductance and anti-DC magnetic bias, and the loss is lower.
Fe-based amorphous alloys have excellent magnetic properties, however do not reach the low losses or high permeabilities of nanocrystalline alloys due to the relatively high magnetostriction. The advantages are a higher saturation flux density and lower costs.
Nanocrystalline Alloys Ribbon has the outstanding advantages that it combines the high saturation magnetic induction (Bs) of the Iron-based amorphous alloy and the high magnetic permeability and low loss of the Cobalt-based amorphous alloy, which can meet the magnetic properties requirements in high frequency and low loss.
Nanocrystalline cores are widely used in common mode choke applications due to their unique combination of magnetic properties. Nanocrystalline cores feature a very high initial permeability which enables a high attenuation in the low frequency range with only a small number of turns.