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 LED Bulb 2672-222 Lifetime
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New Member

22 Posts

Posted - 10/02/2017 :  07:10:11 AM  Show Profile  Reply with Quote
I have had several of these bulbs for 3.5 years operating an average of 10 hours a day i.e about 13000 hrs. Since I will be away from home for a few months and don't want themm to fail during this period, do you think they should be replaced or are they likely to last for another 6 months or so.

Average Member

179 Posts

Posted - 10/02/2017 :  07:19:14 AM  Show Profile  Reply with Quote
Smarthome says their life is rated at 52,000hr ( so, in theory, you should be good.
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Advanced Member

15854 Posts

Posted - 10/02/2017 :  1:47:09 PM  Show Profile  Visit stusviews's Homepage  Reply with Quote
Keep in mind that what's reported is the MYBF (mean time between failures). That;s an average, not a guarantee for any individual bulb.

For example, if one device lasts 10 hours and the other 100, then the MTBF is 55 hours even though no device actually failed in that time. One lasted less that 20% of the MTBF and the other nearly twice as long.

In any case, the odds are with you

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Advanced Member

3707 Posts

Posted - 10/02/2017 :  4:44:26 PM  Show Profile  Reply with Quote
I agree that there is little about which to worry. One tidbit that I understand (confidence level not absolute) is that light bulbs are often rated on a half-life basis. A lot of bulbs, including LED, have diminished output over time. Rated life in many cases is that point where output reaches half of rated output, rather than an absolute failure. I would not be surprised if that were the case here.
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