Motherboard and PSU manufacturer's marketing department typically like to highlight the fact that they use Japanese capacitors, and there are even videos on Youtube and some articles about how to identify if a capacitor is Japanese.

Is there any conclusive evidence to suggest that Japanese capacitors are more reliable than, let's say, American capacitors?

  • @Downvoter care to explain?
    – Ken Li
    Commented Jan 2, 2012 at 2:19

1 Answer 1


You picked the wrong country for comparison. It is the Chinese/Taiwanese Capacitor plague that's relevant here: Epidemic of Faulty Capacitors from China --- “capacitor plague” – Dell laptops.
Supposedly the manufacturers have cleaned up their act, but trust comes hard to engineers after events like this.

  • Thanks for the links, which actually answers most of my question. Even though the answer is on Wikipedia, it's hard to find the right article when you don't know where to begin searching.
    – Ken Li
    Commented Jan 1, 2012 at 4:52

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