i want to make a flyback driver, i need inductor 200 uH
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 incutancehttp://www.coilgun.info/mark2/inductorsim.htmAlso if you need an inductor with high inductance you will need to make an iron core or ferrite core inductor.
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You should be able to obtain a full flyback from an old TV or CRT monitor.