Ferrites suitable for RF and balun

[mehdi]

Hi
How can I determine if a particular ferrite is suitable for RF work (like baluns)?
In my country, finding good RF parts is difficult and they are not sold with part numbers , so we want to find a way to check if they're good for our RF works.

Thanks

[w2aew]

Hi
How can I determine if a particular ferrite is suitable for RF work (like baluns)?
In my country, finding good RF parts is difficult and they are not sold with part numbers , so we want to find a way to check if they're good for our RF works.

Thanks

Without any knowledge of the core material, ferrite or powdered iron, or knowledge of the type/mix, the best thing you can do is wind some devices (inductors, transformers, baluns, etc.) and test the performance in the intended application.  You can make an estimate of the material's suitability by making an inductor with the material and testing it.

I did make a video on the basics of ferrites, although it probably won't answer your question...