LED meltdown |
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marwayne
Senior Member Joined: 25 Oct 2011 Location: Edmonton AB Can Online Status: Offline Posts: 1002 |
Topic: LED meltdown Posted: 01 Jun 2013 at 10:55pm |
Technical specs:
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If you want something done right, do it yourself.
2011 RP172, 2016 Tundra 5.7 Litre, Ltd. |
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Bill-GA
Senior Member Joined: 13 Jan 2012 Location: Cumming, GA Online Status: Offline Posts: 214 |
Posted: 01 Jun 2013 at 10:20pm |
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? |
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Bill & Bev
13 yr old dachshund 'Elsa' 2010 RP-176T (tent & slide-out) 2011 Toyota Tundra 2WD TV |
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Bill-GA
Senior Member Joined: 13 Jan 2012 Location: Cumming, GA Online Status: Offline Posts: 214 |
Posted: 01 Jun 2013 at 10:00pm |
Marwayne/Outbound, what's the nomenclature for the round 9 LED you are using? I'm trying to locate it online to measure its output in lumens. Thanks, Bill
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Bill & Bev
13 yr old dachshund 'Elsa' 2010 RP-176T (tent & slide-out) 2011 Toyota Tundra 2WD TV |
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Anthony Valenzano
Groupie Joined: 09 Apr 2013 Location: Archbald Pa Online Status: Offline Posts: 44 |
Posted: 01 Jun 2013 at 10:00pm |
LEDs indeed get warm, or aren't putting out much light and if they get hot they will fail very soon. Life of the LED is inversely proportional to running temperature, so a reputable LED manufacture will ensure the proper heat sinking path and Airflow. Really we shouldn't use a LED bulb, but a replacement LED fixture as LEDs need airflow and incandescent fixtures tend to restrict airflow.
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techntrek
Admin Group - pHp Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9059 |
Posted: 01 Jun 2013 at 9:26pm |
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. |
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Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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Outbound
podders Helping podders - pHp Joined: 19 Nov 2009 Location: Oshawa, Ontario Online Status: Offline Posts: 767 |
Posted: 01 Jun 2013 at 4:42pm |
Admittedly, I never took a multimeter to the stock bulbs, but they were labelled 7 watts and I have no reason to distrust that. The new LED bulbs that I ordered are definitely 2 watt - there were lower wattage bulbs available, but I decided to go with the higher-wattage bulbs from past experience with LEDs. When I received the new LED bulbs, I checked out the amp draw and lumen output on my bench at home (admittedly, I used the light meter on my cell phone to measure the latter, but it's not bad)
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Craig :: 2009 RP171 towed by a 2017 F150
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marwayne
Senior Member Joined: 25 Oct 2011 Location: Edmonton AB Can Online Status: Offline Posts: 1002 |
Posted: 01 Jun 2013 at 1:00pm |
Outbound, I tested the 921 incandescent bulb it drawes 25 watts LED replacement 1.7 watts.
C194 markerlight drawes 3 watts LED replacement 0.2 watts.
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If you want something done right, do it yourself.
2011 RP172, 2016 Tundra 5.7 Litre, Ltd. |
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Racer|X|
Senior Member Joined: 21 Mar 2012 Online Status: Offline Posts: 237 |
Posted: 01 Jun 2013 at 9:39am |
Buy price....buy twice! Thebulbs like Marwayne posted are better and worth it. No needed adapters, tape, etc.
Glad nothing bad happened out of it. I had one of the bunk light covers melt from the standard bulbs. Those bulbs were mini-heaters.
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CharlieM
Senior Member Joined: 23 Nov 2012 Location: N. Colorado Online Status: Offline Posts: 1797 |
Posted: 01 Jun 2013 at 8:18am |
As others have said, you get what you pay for. And sometimes you get burned...Literally! I tried some of those cheap Chinese units and found them totally inadequate. Junque. But then, I didn't lose much.
I replaced all my lights with LEDs from SuperBrightLeds.com. Yes they are more expensive but they work and are very acceptable as far as brightness and color go. They are slightly whiter than the 921s, particularly as the 921s age and turn black, and I like them. The SuperBrights plug like a bulb with no tape required. They also appear to have regulator circuitry built in so the brightness and power should be somewhat independent of battery voltage. The individual LEDs are 5050 SMDs which seem to be one of the best available. See the ones I bought at: http://www.superbrightleds.com/moreinfo/miniature-wedge-base/194-led-bulb-18-smd-led-wedge-base-tower/397/ Happy podding, |
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Charlie
Northern Colorado OLD: 2013 RP-172, 2010 Honda Pilot 3.5L 4WD PRESENT: 2014 Camplite 21RBS, 2013 Supercharged Tacoma 4L V6 4WD |
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Outbound
podders Helping podders - pHp Joined: 19 Nov 2009 Location: Oshawa, Ontario Online Status: Offline Posts: 767 |
Posted: 01 Jun 2013 at 1:12am |
I've got similar bulbs to marwayne and I really like them. They're warm white and a fantastic replacement for the stock bulbs. I'm well into the second year with them and they're holding up strong.
Mine are 2 watts, so they consume 30% of the power of the stock 7 watt bulbs while providing plenty of light.
I ordered a pack of 10 off of eBay (the seller is in China)... I won't mention the price - I'll just say that they were very reasonable. |
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Craig :: 2009 RP171 towed by a 2017 F150
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