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From what I've observed, I mostly attribute bulbs dying to the power electronics rather than the LEDs themselves. So unless they've beefed up the driver circuit
by mindslight 4y ago
From what I've observed, I mostly attribute bulbs dying to the power electronics rather than the LEDs themselves. So unless they've beefed up the driver circuit on these bulbs, I would think they'd fail just as often?
- convolvatron 4y agoI've primarily seen driver failures. from some vendors, really quite smelly and spectacular ones. but it does seem to correlate pretty strongly with particular vendors or designs.
- deleted 4y ago[deleted]
- the_pwner224 4y agoYeah that's a very common failure mode. Like the LED itself, the power supply electronics are also intolerant to heat (see my comment on parent). So all the same principles apply. Companies which cheap out will use barely-adequate components in the power supply circuitry and skimp on cooling. The power supply will run hot and fail after a few months leading to total failure of the bulb, or if it manages to keep limping on, the LED will have noticeably degraded within a few years due to the heat. Reducing power will help a lot with this, less current flowing through the power supply and less heat generated.