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The first inductor in the SMPS

A

abdan

Jan 25, 2022
9
Joined
Jan 25, 2022
Messages
9
What or how exactly is the first inductor's function and working mechanism lying in most SMPS as shown ?
ry4h3xd
 

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  • L1_of_SMPS.jpg
    L1_of_SMPS.jpg
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Martaine2005

Martaine2005

May 12, 2015
4,539
Joined
May 12, 2015
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4,539
It is a common mode choke. It cancels noise on the lines.
It is a suppressor. A filter if you like.

Martin
 
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