Could someone explain the hour rating of a capacitor to me? If one has a 2000 hour rating that doesn't sound too great but the good ones only have a 6000 hour rating which according to my math is only 250 days if I leave my pc on 24 hours a day 
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Regards,
db -
Re: Capacitor Hour Rating
That is at their max rated temp
For every 10°C lower temp the capacitors life doubles"The one who says it cannot be done should never interrupt the one who is doing it." -
Re: Capacitor Hour Rating
and for polymers i think it quadruplesComment
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Re: Capacitor Hour Rating
Ahhhh...Ok. That makes much better sense. Thanks to both of you for clearing that up.
Regards,
dbComment
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Re: Capacitor Hour Rating
And at their maximum rated ripple current. Mfrs used to publish multipliers for being operated at less than the rated ripple current, but I haven't noticed that recently.That is at their max rated tempPeteS in CA
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Re: Capacitor Hour Rating
Thanks for the added info.Regards,
dbComment
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Re: Capacitor Hour Rating
I found this while surfing for more info...
http://www.low-esr.com/endurance.html-ssi
Now I know everything about capacitor hour ratings
Regards,
dbComment
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When I tried to repair LG 29 inch CRT TV, I found that the ESR value of samyoung SMS capacitor(160v 2.2uf), which is very close to D1879 transistor, is 6 ohm.
Judging from above ESR Meter Table,I think It is necessary to replace this sms capacitor.So I visited local electronics shop,and I purchased 160v 2.2uf rubycon YK capacitor.
But when I browse through rubycon YK datasheet,I found that there is no ripple current rating for 160v 2.2uf specification. But On the contrary, I found 39 mA ripple current rating for 160v 2.2uf SMS capacitor.
Rubycon YK DataSheet (b... -
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Hi people, I hope this is the correct spot to post this, I'm new to the forum.
I have an RTX 3080 Founders Edition which has a burnt up capacitor (it was in parallel with another capacitor which appears damaged too), so I am hoping to be able to identify the capacitor values and order replacements.
I hope these photos make it clear which component I am referring to:
(yes, the soldering is a bit botched from removing the blown one, I know)
I have found the board schematic (attached), but there does not seem to be a boardview available. I have never...
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