
After analyzing various customer reviews, the bad capacitor brands to avoid include, CapXon, Fuhjyyu, Su’scon, Teapo, and Lelon. Now let’s talk about each brand and why you should keep. . Here are 4 warning signs to help you identify the poor quality capacitor brands: High Failure Rates: A high failure rate is one of the most obvious signs of a bad capacitor brand. If you. . In the ever-evolving world of electronics, choosing the right components can make or break your project. Capacitors, in particular, play a crucial role in the functionality and longevity. [pdf]
I have seen so many companies with weird capacitors, usually with horrible specs, from companies like ChengX, AsiaX (these two are ubiquitous in more common models in emerging countries), Fcon (in Cooler Master power supplies made by Gospower), Chn Cap and Yang-Chun Electronics (in Gigabyte power supplies), for example.
You guessed it, bad caps! There should be a ban on sub-standard components like these, but many companies use them to save money on their BOM and supply the consumer with a cheaper product in order to stay competitive. It is purpose that created us... That defines us.. I found this list of capacitor MFG to avoid.
There are many good capacitor brands. Not in particular order.. I personally prefer Rubycon but for reasons of availability do sometimes use Panasonic/nichicon. There are also many other ok brands but i prefer the above. Re: Capacitor brands? Don't ever buy capacitors from China. Especially top brands from the post above.
Teapo - huge manufacturer of capacitors with good quality capacitors. A few particular low series of capacitors (one or two with very low diameter capacitors) tend to dry up or go bad in power supplies and motherboards due to heat, but if you avoid those series with failure reports the other series are fine.
However there are also other issues concerning inferior manufacture of capacitors. You have to consider what a capacitor is. It is not an incredibly complicated thing to construct, you could source from third parties the Aluminium Foils, Electrolyte, Leads, Bungs, Aluminium Cans, Sleeves and buy some machines to put it all together.
They just tend to be in obscure brands from India, Russia, SE Asia, etc. Other than the stuff sold outside of North America and Western Europe, I can't think of any PSUs that truly use "bad capacitors." Not that they don't exist. They just tend to be in obscure brands from India, Russia, SE Asia, etc.

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