DealExtreme: $3.47 3W LED Emitter on Star (Multicolored RGB)

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3W LED Emitter on Star (Multicolored RGB)

Price: $3.47

SKU	4530
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- Seperate input wires for Red, Green and Blue allowing customization of colors

- Driving voltage and current per channel:

Red: 2.5V ~ 3.0V, 350mA
Green: 3.2V ~ 3.8V, 350mA
Blue: 3.2V ~ 3.8V, 350mA

- Note: each color channel is able to take a maximum of 350mA of current, thus a 1050mA combined current input and the 3W rating.

To enable volume discounts on this site, use coupon code: BULKRATE during checkout. You will see a discount applied at the bottom of the shopping cart. Competitive pricing is available. Contact us for details.

Quantity	3+ units	5+ units	10+ units
Rate	$2.85 shipped	$2.75 shipped	$2.65 shipped

What is Bulk Rate? BulkRate is a semi-wholesale system with items priced separately from retail. When you use bulk rates, a flat $1.70 registered air mail fee will automatically be added to your cart to ensure delivery of package. While BulkRate's intention is to offer cheaper prices when you buy in bulk, because it is priced separately it on occassions show a higher than retail price. That's why we ask you to enter BULKRATE as a coupon code to manually activate the rates. You can always opt not to use the bulk rates. If you are looking for wholesale prices please feel free to contact us.

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Showing latest 4 entries. Click here to read all 13 reviews.

Displaying reviews posted by certified DX gadget owners first, followed by all other posted reviews.
perfect rgb lightsource

Posted by lasermanathome on 11/8/2009
Involvement: Expert (understands the inner workings) - Ownership: 1 week to 1 month

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: A almost perfect lightsource to make almost every color of light you want.
Very bright.
 
Cons: the real problem is the wrong polarity,
Mass is PLUS so you need a NEGATIVE
powersource.
The wavelength of the 3 chips do not match the exact absorbsionspectrum of the human eye
 
Other Thoughts: This led can be used for almost every lightapplication.
The blue chip has the most overkill.
You can make your light, when you want white, about every colortemperature.
The red color in not 650 but about
630 nM.
No possibility so use the leds in serie if you want to be able to adjust the color.
With resistors however you can 
program every led differently.
Therefor it is a little inconvenient to make your own highoutput RGB controllable spotlight.
Collimation is also difficult, the lightspot is not homogenic in color.
For this price however.......
 
Bottomline: The price and the possibilities are
great, to reach the expected result is tricky and not easy.
When you keep trying, you will find the way to make any kind of light you want with this RGB powerled.
 
					

bright and goog

Posted by ishayreg on 10/14/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 week to 1 month

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: good little light, work well,
hard plastic doom
nice star 
easy to solder
 
Cons: the polarity is different than marked
but nothing much
 
Other Thoughts: nice, strong, good built
 
Bottomline: good for the money
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Nice LED emitter at great value!

Posted by Skywise on 8/2/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 day to 1 week

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: The emitter is well build, the colors mix good and the light output is great. The star slug is quite thick and makes heat sink mounting easy.
 
Cons: Emitter is common anode and the pads are mislabeled. I knew it before I bought it, so no big issue, but keep it in mind for your design.
 
Other Thoughts: Build an RGB mood light with one of these, a PIC 16f84a and a few 2222a transistors and the proper resistors. Had some issues getting the PWM just right but now looks awesome. And onetime at band camp we had to write a review and it required over five hundred characters and we were all like wow and didn't know what else to write.
 
Bottomline: Amazing value! Those emitters usually run quite a bit more.

Buy plenty of them!

Posted by LardonCru on 7/27/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 week to 1 month

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: Cheap, cheap, cheap! You can find the same LED for $45 (28€) from some european dealers...
 
Cons: As other reviews stated, polarity is mislabeled, it is COMMON ANODE, so you must design your driving circuit accordingly.
 
Other Thoughts: As powerful as you can expect from a 3W LED. Can also get hot pretty quickly (no surprise). Can be tricky to get a "pure white" light from these.
Some reviewers stated that it was difficult to solder: putting tin on the small solder pad, letting it cool and then soldering tinned wire ("two pass solder") makes things easier.
 
Bottomline: Good product, you can't go wrong with these!

Specifications

Dimensions: 0 in x 0 in x 0 in
Weight: 0.11 oz