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A comment on Teardown of a $1.25 LED Lightbulb. Parent comment

Re:Teardown of a $1.25 LED Lightbulb by qes on Wednesday February 19, 2020 @07:15PM (#22371585)
> The heat seems to kill these things over time.

I think it's more about how well balanced all of the individual LED's in the bulb are. Unbalanced circuits have more current flowing through some paths than others and leads to premature failure of individual elements and it's usually rapidly downhill from there for the rest of the bulb.

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Re:Teardown of a $1.25 LED Lightbulb by jacob019 on Wednesday February 19, 2020 @07:18PM (#22371608)
Normally the LEDs are wired in series so that they all have the same current.
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Re:Teardown of a $1.25 LED Lightbulb by londons_explore on Wednesday February 19, 2020 @07:19PM (#22371613)
LED bulbs that aren't current controlled are rare now. You're right - just sticking a bunch of raw led's in parallel over a "12v" source is a recipe for disaster.
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