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ChizzleMonkey
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ESR
« on: September 28, 2011, 02:06:19 PM »
So I've tested the capacitors with an ESR meter and found some capacitors bad. Should I replace just the bad capacitors or all of them since I'm already there??? I've heard that capacitors have a shelf life? ......So I tested some from the shelf and they tested worse than then ones I pulled from the board. I put the bad ones tested back on the board and only replaced the bad ones and the projects have been working for months now?!
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stayouttadabunker
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« Reply #1 on: September 28, 2011, 02:17:08 PM »
They definitely have a specific shelf life...the stuff inside dries up.
You may find more info on them from their manufacturer's website or mouser.com spec sheets.
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ChizzleMonkey
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« Reply #2 on: September 28, 2011, 02:56:11 PM »
So, you agree, there is a "shelf life" for capacitors? What about other components?
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stayouttadabunker
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« Reply #3 on: September 28, 2011, 03:20:03 PM »
Quote from: ChizzleMonkey on September 28, 2011, 02:56:11 PM
So, you agree, there is a "shelf life" for capacitors? What about other components?

Yes, when speaking about capacitors.
As far as your other question...it depends really on what other components you're thinking of.
Some things last forever and will be working in machines long after we die.  rotflmao
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ChizzleMonkey
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« Reply #4 on: September 28, 2011, 03:31:34 PM »
What components are you "rolling in laughter"????
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knagl
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« Reply #5 on: September 28, 2011, 03:41:19 PM »
I agree with Bunker -- if you're already in there, they're cheap enough to just shotgun 'em and not have to worry about them again for a long time.
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stayouttadabunker
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« Reply #6 on: September 28, 2011, 09:32:18 PM »
Hey...What is this "shotgunning caps" procedure?
Can anyone explain how to perform that method?
I've heard it can really help with older PE+ poker video screens -
am I being misled?


oh...knagl posted up a link...dumb me...
Good job nags!
I haven't given you a karma in a while...lol   +1 (Karma, or whatever)  applause Hail
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cowboygames
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« Reply #7 on: September 28, 2011, 09:37:12 PM »
So what is the average shelf life of a capacitor? I thought they only dried up with usage.
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stayouttadabunker
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« Reply #8 on: September 28, 2011, 09:44:57 PM »
Probably different for each manufacturer's product...
The only way to know for is to check the specs of the cap you're playing with.
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StatFreak
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« Reply #9 on: September 29, 2011, 12:13:53 AM »
Quote from: cowboygames on September 28, 2011, 09:37:12 PM
So what is the average shelf life of a capacitor? I thought they only dried up with usage.


It will also depend on the environment – especially for electrolytics.
« Last Edit: September 29, 2011, 01:44:03 AM by StatFreak » Logged
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ChizzleMonkey
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« Reply #10 on: September 29, 2011, 12:15:01 AM »
Any idea of what manufacturer is top quality? Scratch Head
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jbshocks
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« Reply #11 on: September 29, 2011, 09:20:22 AM »
I typically use Panasonic caps,  what do you guys use?
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stayouttadabunker
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« Reply #12 on: September 29, 2011, 11:57:51 AM »
I like the prices on the Nichicon electrolytic capacitors but Panasonic makes good ones too.
I generally just get whatever is available on the IC websites.
They usually last long enough for my liking.  yes
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ChizzleMonkey
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« Reply #13 on: October 02, 2011, 10:17:43 AM »
Check out this site for some interesting information about capacitors and thanx for the input!

http://www.badcaps.net/forum/
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ChizzleMonkey
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« Reply #14 on: October 02, 2011, 10:47:27 AM »
To be more precise to this thread, check out this link

http://www.badcaps.net/forum/showthread.php?t=414
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