Electronics > Repair
RIFA capacitor replacement
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wraper:

--- Quote from: Ice-Tea on September 12, 2024, 12:15:36 pm ---They are most often found on primary side, including filters etc. I stand by my recommendation.

--- End quote ---
Safety versions are marked as such. You don't need safety capacitor for snubber.
https://file.elecfans.com/web1/M00/20/FE/ooYBAFmk4f2AOsh6AFozsxcyW-I075.pdf

--- Quote ---PME2616 General Purpose
--- End quote ---
Ice-Tea:
I stand corrected. I'll rephrase to "Safety film capacitors. Rated X2 or Y2 depending on whether they are L - N or L/N - EARTH/CHASSIS. Unless you're 100% sure a safety rating was not part of the original part or should have been given the application" ;-)
factory:
The pictured parts are DC rated interference suppression capacitors, i.e. PME261 from this pdf.

David
Ice-Tea:
Yeah, wrapper provided a pdf as well. Hence me grudginly admitting I may have been not 100% correct and modifying my original statement in the most minimalistic way possible ;)
Gyro:

--- Quote from: wraper on September 12, 2024, 12:08:29 pm ---
--- Quote from: Ice-Tea on September 12, 2024, 11:57:39 am ---Safety film capacitors. Rated X2 or Y2 depending on whether they are L - N or L/N - EARTH/CHASSIS.

--- End quote ---
These are not safety caps. Rifa made multiple series of that garbage. They can be replaced with regular polypropylene capacitors. Polyester should be fine too in most cases.

--- End quote ---

The USP of metalized paper capacitors like the Rifas is high dV/dt capability. Polypropylene would be the safer (in terms of longevity) replacement choice of the two.
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