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Topic ClosedLED meltdown

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marwayne View Drop Down
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Direct Link To This Post Topic: LED meltdown
    Posted: 04 Jun 2013 at 7:13pm
Hi Zag,
web;     ledlightscanada.com
 Note, the wattage on these bulbs is 11  to 15 volts witch to me is very importend, because you dont always get exactly 12 volts, it can vary up or down.
If you want something done right, do it yourself.
2011 RP172, 2016 Tundra 5.7 Litre, Ltd.


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Direct Link To This Post Posted: 04 Jun 2013 at 6:24pm
Originally posted by marwayne

I hate to say it, but you get what you pay for. I tryed those LED bulbs did'nt like them at all, I wanted a bulb with a wedge base that fit properly in to the socket, I bought these very happy with them, pricey at 14,75$ but than up here in Canada everything costs more than in the US.
 

Marwayne, Care to share where a fellow Canadian might find these?

Thanks!
2009 RP-152 (Cutie-Pod)
2001 Nissan Pathfinder
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Direct Link To This Post Posted: 04 Jun 2013 at 4:09pm
Originally posted by ToddLat

Where did you get the 12 SMD lights?  What is the catalog number?  I would like to get some of those!

I almost hesitate to tell you, because this may well devolve into an "eBay?!?!", "cheap crap!!" and "from China?!?!?" flaming, but I did order them off of eBay from a seller in China.

Anyway, here's a current listing (link).  This is the same seller I bought from and the same item.  As I said, I've had them for over a year and they've been fantastic - all bulbs still work 100%.  At less than $30 for 10 of them, I was willing to try them and lose the money if they didn't work out (my philosophy for buying anything off of eBay); fortunately, they did work quite well.
Craig :: 2009 RP171 towed by a 2017 F150
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Direct Link To This Post Posted: 04 Jun 2013 at 3:57pm
Originally posted by kymooses

Do you all feel that they dissipate heat well enough or that they don't get too hot?

They do get very warm (not "hot" and nowhere near "burning").  They're certainly cooler than the stock bulbs.  Because they sit proud (i.e. not taped to the light fixture), it does allow air to circulate around the bulb.
Craig :: 2009 RP171 towed by a 2017 F150
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ToddLat View Drop Down
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Direct Link To This Post Posted: 04 Jun 2013 at 12:38pm
Outbound,
 
Where did you get the 12 SMD lights?  What is the catalog number?  I would like to get some of those!
 
Thanks
 
Todd
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Goose View Drop Down
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Direct Link To This Post Posted: 04 Jun 2013 at 10:36am
Thanks Doug for the info, I have a couple of LED's in the house and very happy with the output and they do have heat sinks around them. The ones that I just put in have a G10 base in a track light with no heat sinks so with the info that Anthony provided we will see how long that they last.
I am sitting on the fence when it comes to the lights in the POD, I have not decided to go with the "pancake style" like Marwayne and Outbound or the "tower style" that puts light 360 degrees and makes a little better use of the design of the light fixture.   Goose
Mother Goose's Caboose..2011 RP171..07 Grand Cherokee
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Direct Link To This Post Posted: 04 Jun 2013 at 9:57am
@Outbound and @Marwayne

Do the ones you all have.  I'm just calling them pancake style cause they are flat like that.  Do you all feel that they dissipate heat well enough or that they don't get too hot?

I've read that they don't do a great job of dissipating heat and so I was looking at the type that is a rounded cylinder type on a ceramic base.


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Direct Link To This Post Posted: 03 Jun 2013 at 8:18am
I'm sure it's as simple as it's really a lower power bulb.  I've seen those and they are only about 3 watts, which is low enough to dissipate through the bulb base and the bulb glass.  
As far as I've seen LED bulbs fall into one of three categories:
1.) Low power and low light - never really heat up, will last a long time (25K hours) and inexpensive.
2.) Higher power, lots of light, with aluminium or ceramic to dissipate heat, expensive, but last 50K-100K hours - basically properly engineered.
3.) Lots of light w/ no heat sink, basically a cheap knock off that will burn up fairly soon (soon being 1000 hours usually)

I design circuitry for LED fixtures, there's no magic - just these trades. 
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Direct Link To This Post Posted: 02 Jun 2013 at 3:56pm
Originally posted by Bill-GA

Originally posted by techntrek

Goose, even LEDs produce heat, and unlike in incandescent lights the waste heat is a big LED killer.  If you ever buy a LED light for your house (to replace a standard light bulb) you'll see they come with big heat sinks to keep them cool. 


Techntrek, last month I purchased 3 interior LED flood light bulbs (60/75 watt equivalent) in Costco which replaced 3 indoor incandescent flood lights.  I was concerned about heat in an IC recessed fixture. New bulb was totally glass enclosed (cost about $20+ US) and I was VERY impressed that it did NOT run very hot. Dimable too.

I don't know if this is new technology or just packaging technology. Have you seen these?

I've seen enclosed "bulbs" for the lower wattages but not at that level, interesting.

Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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Direct Link To This Post Posted: 02 Jun 2013 at 12:52am
Actually, mine have 12 x 5050 SMDs


Color: 2850k
Voltage: 11-15 V DC
Wattage: 2 watts
Lumens: 220



Craig :: 2009 RP171 towed by a 2017 F150
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