[iyonix-support] Re: Some Guidance Required Please
- From: Steve Fryatt <lists@xxxxxxxxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Sat, 30 Apr 2011 12:26:26 +0100
On 30 Apr, John Ballance wrote in message
<4DBBB14E.5020202@xxxxxxxxxx>:
> AND BEAR IN MIND, these original power supplies were sourced almost
> entirely in late 2002 and early 2003.. i.e. around 8 years ago. I wonder
> how many far east PCs of late 2002 would still be running on original
It depends: if the PSUs were decent quality, then probably most. That said,
all ATX PSUs will be designed for a finite working life at full load:
probably five years, or even less. The output caps, which are aluminium
electrolytics, only have a certain load-life before they dry out. As this
happens their capacitance falls and their resistance rises: both of which
contribute to increased ripple on the output voltages.
--
Steve Fryatt - Leeds, England
http://www.stevefryatt.org.uk/
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