Electronics > Projects, Designs, and Technical Stuff
New LED lights reliability
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timelessbeing:
well I just realized that A70 is a metric designation, which is really confusing and stupid. But yes it still won't fit most household fixtures.

I question the usefulness of LEDs for retrofit use, after you consider all the factors performance, price, reliability etc. Especially where electricity is cheap.
Psi:
If you want long life LED lamps you can always buy a high power LED lamp then take it apart.
Modify it to reduce the power down by 50%. That will boost it's lifespan A LOT.
Since heat is the number 1 killer of led lamps.

Need 20W, buy 40W and modify.


Obviously it takes some effort and maybe you can't be bothered, but it will definitely last MUCH longer.
Marco:

--- Quote from: timelessbeing on February 08, 2019, 12:28:07 am ---I question the usefulness of LEDs for retrofit use, after you consider all the factors performance, price, reliability etc. Especially where electricity is cheap.

--- End quote ---

That's not here, over say 10000 hours a 100 Watt bulb costs me 200 Euro in electricity.
james_s:
There already are reliable and long lasting LED bulbs, this problem has been solved for years. I have some from 2011 that are still working, even the ones that have run 12 hours a night on a timer all this time. How long do you need them to last?

The biggest filament type I have are 800lm (60W equiv) I'm not a big fan of that type though. They tend to run cool since they have a large number of emitters driven at low current so they work well in enclosed fixtures but they also lack space for a proper high frequency driver so I find they have perceptible flicker.
Marco:
Why would a proper high frequency driver be large?
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