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Old 02-13-2019, 11:09 AM   #31
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Re: Lifespan of LED Bulbs


I purchased a Commercial Electric, LED ceiling light fixture. It's about 1.5 inches deep and 12 inches in diameter. It replaces an old incandescent with a glass globe. The first one I put in was rated "bright daylight", which was way to bright. The second one I purchased to replace it has a switch on it so you can change the "temperature" of the lighting to one of 3 positions: 3,000, 4,000, 5,000. The fixture is in a hallway, and I find that 3,000 is just right, the other positions being way to bright.
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Old 02-13-2019, 11:27 AM   #32
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Re: Lifespan of LED Bulbs


I agree with the post that the LED fixtures seem work much better than the retrofitted LED bulbs that screw into a base to replace an old "Edison" style light bulb. All the pre-mature failures of LED bulbs have occurred in LED's that imitate the "edison bulb", and in overhead canisters. Also, I had a couple of CREE LED bulbs, screwed into a lamp fixture, but the glass was way too thin and it cracked around the base. The glass "globe" could be lifted off of the LED; not good.

Has anyone had any good results with replacing bulbs in overhead canisters? Eco-Smart LED bulbs seem to last longer than others. I was wondering if anyone has installed the more expensive LED trim canister replacements, where the LED is in a thin fixture that fits into the bottom of the canister and replaces the trim, and has a wire adapter with a threaded connector to screw into the old screw base. (example:"4 in. White Recessed LED Trim with 2700K, 90 CRI (2-Pack)").
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Old 02-13-2019, 12:14 PM   #33
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Re: Lifespan of LED Bulbs


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I was wondering if anyone has installed the more expensive LED trim canister replacements, where the LED is in a thin fixture that fits into the bottom of the canister.....
You should have a better success rate with them because the electronics are near the bottom of the can. They are not up near the top of the can where the heat gathers, like they are with the LED replacement bulbs.
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Old 02-14-2019, 01:49 AM   #34
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Re: Lifespan of LED Bulbs


With the new filament type bulbs the operating temperature range tops at 120C (248 F) according to the spec sheet for the electronics:

https://voron.ua/files/pdf/micoshema/CYT1000B.pdf

Here's a take-apart:


I think the problem is just new teething pains in the product.
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Old 02-14-2019, 05:02 AM   #35
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Re: Lifespan of LED Bulbs


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Originally Posted by tmittelstaedt View Post
With the new filament type bulbs the operating temperature range tops at 120C (248 F) according to the spec sheet for the electronics:

https://voron.ua/files/pdf/micoshema/CYT1000B.pdf

Here's a take-apart:



I think the problem is just new teething pains in the product.
120° C is the upper range for the electronics, the lamps do not run any where nearly that hot. They are only warm to the touch.

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Old 02-15-2019, 01:04 AM   #36
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Re: Lifespan of LED Bulbs


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Originally Posted by rjniles View Post
120° C is the upper range for the electronics, the lamps do not run any where nearly that hot. They are only warm to the touch.

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Which is why we should hopefully get more lifespan out of the newer bulbs. Sounds like the older electronics for these bulbs did not have as high a temp range.
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