[sdiy] Trouble shooting cap's ESR values using 'acurate' table..

Jean-Pierre Desrochers jpdesroc at oricom.ca
Fri Oct 14 16:39:27 CEST 2016


Hi list,

I recently bought this multipurpose LCD meter for caps ESR checks:
http://www.ebay.com/itm/-/121518679234?roken=cUgayN&soutkn=3AH3Nl

It's electrolytic caps ESR function seems to be quite precise
even at that low price..
Now I'm facing a problem. I need an acurate Cap ESR value table
that has 'standard' values to check for when trouble shooting caps.
The problem is that many of these table are on the net showing
very different ESR values.
Like this one:
http://jestineyong.com/wp-content/uploads/2012/05/ESRTable11.jpg
For example in some table 4700uf at 25vdc caps have 'standard' ESR values 
going from 0.12 down to 0.05 !!!
I don't know which one to pick up for my tests..
Any experiences with these tables you could share ?
Thanks !



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