ESR’s on Capacitors?

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Mvap

Member - Posts: 46

Joined: May 07, 2005

Location: United States

Posted: September 23, 2005 at 3:41 PM / IP Logged

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!

I love Car Audio!

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kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: September 23, 2005 at 5:01 PM / IP Logged

EQUIVALENT SERIES RESISTANCE which refers to the internal resistance of the cap... the lower the resistance the less heat generation within the cap itself....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

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Francious70

Silver - Posts: 629

Joined: July 26, 2004

Location: United States

Posted: September 23, 2005 at 5:10 PM / IP Logged

And the faster it will discharge and recharge itself I think.

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haemphyst

Platinum - Posts: 5,054

This member has been recognized as an authority in Electrical Theory. Click here for more info.

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: September 23, 2005 at 8:44 PM / IP Logged

kgerry and Francious70 are both correct. Here is another post that was fairly recent, regarding caps and their ESR ratings...

Best Capacitors?

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

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Mvap

Member - Posts: 46

Joined: May 07, 2005

Location: United States

Posted: September 23, 2005 at 10:32 PM / IP Logged

Thanx Guys.

I love Car Audio!

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ESR’s on Capacitors?

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