Re: Capacitors brand

From: Gerrit Heitsch <>
Date: Sun, 26 Feb 2017 15:55:52 +0100
Message-ID: <>
On 02/26/2017 02:43 PM, wrote:

>> On 2017-02-26, at 07:50, Gerrit Heitsch <> wrote:
>> Rubycon are known to last. Then there is Chemicon, they have this empty rectangle logo. SUN was using them both in their systems and while I have seen a lot of dead SUN systems over the years, I haven't seen one where the capacitors where the problem.
> That's a good indicator.

I still run 2 SUN systems at work, one made in 1998 and one made in 
2001. Those have been running mostly 24/7 and so far show no indication 
of stopping. OK, had to replace a dead HD now and then...

That means, you CAN build systems that use electrolytic caps that last a 
long time. It's mostly a matter of paying a bit more for the caps and 
using more of them than the bare minimum (*)

(*) On some boards you see empty spaces for caps. The designer thought 
they were needed, then controlling came and removed as many caps as 
possible to save some money... If I repair such a board, I don't just 
replace the bad caps, I also populate the empty spaces.


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Received on 2017-02-26 15:00:02

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