Looking into the field of custom EMI inlet filter design, I see that some 
filter manufacturers make use of an Earth Line Choke.

Is this Earth Line choke typically a ferrite bead or an inductor, or …. ? 
Assume this Earth Line Choke is for reducing CM currents and even in series 
with PE-wire, it’s still within 60950-1.

 

 

Regards

Amund

 

 

 

 


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