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how to make an inductor?and how much it (uH)? Answered

i want to make a flyback driver, i need inductor 200 uH

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Well you can make an inductor by winding a conductor on hollow cylinder . Then it will form an air core inductor. You can refer to this page to calculate its incutance

http://www.coilgun.info/mark2/inductorsim.htm

Also if you need an inductor with high inductance you will need to make an iron core or ferrite core inductor.

You should be able to obtain a full flyback from an old TV or CRT monitor. L