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Q&A Electrolytic capacitor lifetime rating

If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 ho...

1 answer  ·  posted 4y ago by Andy aka‭  ·  last activity 1y ago by Lorenzo Donati‭

#5: Post edited by user avatar Andy aka‭ · 2020-06-25T18:04:48Z (over 4 years ago)
  • If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24, I get 417 days = 1.14 years. This cannot be a realistic life-time prediction, so how do I make sense of this number?
  • If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24, I get 417 days = 1.14 years. This cannot be a realistic life-time prediction so, how do I make sense of this number?
#4: Post edited by user avatar manassehkatz‭ · 2020-06-25T18:04:24Z (over 4 years ago)
  • If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24, I get 417 days = 1.14 years. This cannot be a realistic life-time prediction so how do I make sense of this number?
  • If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24, I get 417 days = 1.14 years. This cannot be a realistic life-time prediction, so how do I make sense of this number?
#3: Post edited by user avatar Andy aka‭ · 2020-06-25T16:08:21Z (over 4 years ago)
#2: Post edited by user avatar Andy aka‭ · 2020-06-25T15:44:53Z (over 4 years ago)
  • If you search through the electrolytic capacitor offerings from distributors life Farnell, you find that the maximum life-time rating is commonly 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24 I get 417 days and that is 1.14 years. This cannot be a realistic life-time prediction so how do I make sense of this number?
  • If you search through the electrolytic capacitor offerings from distributors like Farnell, RS, Digikey or Mouser, you find that the maximum life-time rating is commonly quoted as 5,000 or 10,000 hours at such and such a temperature.
  • If I divide 10,000 hours by 24, I get 417 days = 1.14 years. This cannot be a realistic life-time prediction so how do I make sense of this number?
#1: Initial revision by user avatar Andy aka‭ · 2020-06-25T13:42:52Z (over 4 years ago)
If you search through the electrolytic capacitor offerings from distributors life Farnell, you find that the maximum life-time rating is commonly 5,000 or 10,000 hours at such and such a temperature.

If I divide 10,000 hours by 24 I get 417 days and that is 1.14 years. This cannot be a realistic life-time prediction so how do I make sense of this number?