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Author Topic: Test capacitors without an ESR meter?  (Read 18762 times)

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Offline MrAl

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Re: Test capacitors without an ESR meter?
« Reply #25 on: January 18, 2019, 05:15:40 am »
Here are some hand drawn scope shots of testing electrolytic caps.
Notice the current is about 6.666ma so the bad cap ESR is about 15 Ohms white the good cap ESR is about 0.09 Ohms.


« Last Edit: January 18, 2019, 05:23:43 am by MrAl »
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