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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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27th May 2018, 5:42 pm | #41 | ||
Nonode
Join Date: Mar 2013
Location: Leicester, UK
Posts: 2,535
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Re: What to replace a RIFA X2 with?
I appreciate the comments. I will get rid of those RIFAs as per my first instinct and replace with the types suggested.
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I guess if the mains cable is replaced then the new grommet would be useful, which leads me on to another question (sorry, my original concern was the RIFAs and this is moving away somewhat from that topic although still related to the same PSU) regarding something I have not yet though about: if the cable looks perfectly OK, should I leave it alone, or replace it as per routine maintenance? Unlike perished rubberised, fibre bound and gone brittle PVC cables of the past, modern mains flex doesn't seem to deteriorate over time. Or does it? Last edited by WaveyDipole; 27th May 2018 at 5:50 pm. |
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27th May 2018, 10:28 pm | #42 | |
Dekatron
Join Date: May 2008
Location: Derby, UK.
Posts: 7,735
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Re: What to replace a RIFA X2 with?
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If you are going to have to replace a capacitor eventually, you should account in your design for the fact that you probably are going to have to do it more than once. Which might mean having the PSU filtering components on a separate board, so it can be exchanged as a module and repaired at leisure.
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If I have seen further than others, it is because I was standing on a pile of failed experiments. |
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28th May 2018, 12:07 am | #43 | |
Dekatron
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 4,203
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Re: What to replace a RIFA X2 with?
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Some equipment manufacturers ignore this particular faillure mode, causing something that is in The Netherlands known as 'senseosyndroom' (senseo syndrome). Named after the quite popular coffeemaker that often exhibits this faillure mode prematurely when used in 'rough' environments such as near inductive kitchen equipment. |
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