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ESR’s on Capacitors?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=63157
Printed Date: May 15, 2024 at 6:19 AM


Topic: ESR’s on Capacitors?

Posted By: MVAP
Subject: ESR’s on Capacitors?
Date Posted: September 23, 2005 at 3:41 PM

brand: stinger
condition: used
ultra low esr: <0.00175 ohms. -10% to +10% tolerance

this is a capacitor i was looking at on ebay and  this discription caugt my eye. 

what does    esr    mean???   i hate not knowing somthing!



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I love Car Audio!



Replies:

Posted By: kgerry
Date Posted: September 23, 2005 at 5:01 PM
EQUIVALENT SERIES RESISTANCE  which refers to the internal resistance of the cap... the lower the resistance the less heat generation within the cap itself.... 

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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979



Posted By: Francious70
Date Posted: September 23, 2005 at 5:10 PM
And the faster it will discharge and recharge itself I think.



Posted By: haemphyst
Date Posted: September 23, 2005 at 8:44 PM
kgerry and Francious70 are both correct. Here is another post that was fairly recent, regarding caps and their ESR ratings...

Best Capacitors?

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It all reminds me of something that Moličre once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."



Posted By: MVAP
Date Posted: September 23, 2005 at 10:32 PM
Thanx Guys.

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I love Car Audio!


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