Date   : Mon, 29 Jun 2009 09:20:15 +0100
From   : jim@... (Jim Hearne)
Subject: 32016 2nd Processor PSU smoking...

For this application a larger capacitance (than the original) capacitor 
would work fine, a smaller one would have less filtering effect.
It would still have to be the correct (or higher) voltage rating.

Jim


David Hunt wrote:
>> 2009/6/28 Sprow <info@...>:
>>
>>     
>>> What purpose would replacing them with the wrong value serve, other than
>>>       
>> to
>>     
>>> fill the holes on the PCB?
>>>       
>> I thought having a capacitor present but of a larger value than the
>> original would be better than having nothing at all. I'm not an
>> electronics expert though - please correct me if my assumption was
>> wrong, then I can avoid buying the wrong stuff in future. That would
>> also mean that I can't get the 0.1uF one from Maplins at all (wrong
>> size and short leads), so I'd have to order one from somewhere else.
>>
>>     
>
> My electronics is pretty rusty, IIRC the smaller the capacitor the higher
> the filtered frequency, so I guess, you'd need to make sure you buy the
> correct part for it to have the desired effect.
>
> The original RIFA part is stocked by Farnell;
> <http://uk.farnell.com/evox-rifa/pme271m610m/capacitor-class-x2-0-1uf/dp/971
> 7463> 51p each.
>
> I was chatting to a friend earlier and mentioned I was smoking a RIFA -
> hahahaha ;)
>
> Cheers
>
> Dave
>
>
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