Electronics > Beginners

a kind of diode?

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helius:
Inductance measurement is a feature of some DMMs, and all LCR meters (including the cheap "ESR02" units based on this thread). Small ferrites like those are usually around .1 to 4 millihenries or mH.

I agree with others who said that these barely ever fail. It's literally a wire with a chunk of iron oxide around it. The only reason to replace them would be if they are grossly cracked or corroded.

nickeevblog10:
Thank you the information.

nickeevblog10:
I am using a UNI-T 61E. What would I use n my meter to measure millihenries or measure anything like millihenries? I am thinking measure M Ohms at a guess. Wikipedia did not appear to be especially informative about a comparison in values that i could understand. I forgot to mention, if i found nothing wrong with these Axial Ferrite beads inductors I would remove and test the transistors.

xavier60:
You have not given your age. If you are young, it would be best to research some basic electronics first.

nickeevblog10:
I am old and thank you for the tip, I will continue research.

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