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Old 2nd October 2007, 01:31 AM   #1
impsick is offline impsick  United States
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Default FC or FM

so im wondering why it "seems" as though Panasonics FC capacitors are more popular then the FM's among DIYers?
Looking at the data sheets it seems as though the fm's pretty beat the fc's in every aspect by a little, unless im missing something.
Do the fc's just sound better then the fm's or what? opinions...?
I also noticed that places charge more for the FC's even though the FM's are a much smaller package volt to volt, uf to uf. So i wonder if its just the desire the DIYers have for them that companies boost cost to make a little more or all specs aside the fc's are better?
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Old 2nd October 2007, 01:42 AM   #2
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Mostly I think it's that you really have to design around FMs from the start, due to the lack of available value/voltage/size combinations. Compared to FC, the selection is pretty dismal. It's generally difficult to take an existing design/board and tack FMs in where FCs were designed, since the values will probably not be available. They're harder to get and there are less values, so they get less used.

That's about it. I use FMs whenever possible.
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Old 2nd October 2007, 01:46 AM   #3
impsick is offline impsick  United States
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ya your probably correct. the values are limited. size is limited, though for the most part they are a much smaller cap.
i wonder why fm stops at 50v?
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Old 2nd October 2007, 02:46 AM   #4
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