RIFA capacitors: Difference between revisions

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(Created page with "Old '''epoxy-enclosed X-class filter capacitors''' used in mains filter circuits have a habit of failing. The problem is not Tektronix specific, a great variety of equipment from the 1970s to the 1990s such as computers, printers, etc. are affected, typically those with switch-mode power supplies. thumb|right|350px The most infamous brand of capacitor exhibiting this issue is '''RIFA's PME series'''. These are epoxy-encapsulated meta...")
 
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The issue has jokingly been called "RIFA madness".  As [[wikipedia:RIFA AB|RIFA AB]] was originally a Swedish manufacturer, [https://www.epanorama.net/blog/2023/04/14/warning-on-failing-rifa-capacitors/ one commentator] has called them ''the electronic version of [[wikipedia:Surströmming|Surströmming]]''.
The issue has jokingly been called "RIFA madness".  As [[wikipedia:RIFA AB|RIFA AB]] was originally a Swedish manufacturer, [https://www.epanorama.net/blog/2023/04/14/warning-on-failing-rifa-capacitors/ one commentator] has called them ''the electronic version of [[wikipedia:Surströmming|Surströmming]]''.


It is best to replace this type of capacitor with a modern equivalent of the appropriate rating and classification.
It is best to preventatively replace this type of capacitor with a modern equivalent of the appropriate rating and classification.
   
   
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