DealExtreme: $5.36 Cree XR-E Q5 Emitter on Premium Star (228LM at 1A)

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Cree XR-E Q5 Emitter on Premium Star (228LM at 1A)

Price: $5.36

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Overview

Buy 3+ and Save ($4.36 ~ $4.56)

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Typically ships in 4 to 7 days* (7 to 10 during new year season)

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- True Cree Q5 bin emitter (guaranteed by DX)

- Cree Flux/Color BIN: Q5 WG

- 3.7V typical driving voltage

- Manufacturer Rated 228 Lumens at 1000mA input current:

350mA: 107~114lm
700mA: 171.2~182.4lm
1000mA: 214 ~ 228lm

- Premium "Star" connection board for heat dissipation and easy wiring and upgrading existing star Luxeon emitters

- Official Binning and Labeling Guide: http://www.cree.com/products/pdf/XLamp7090XR-E_B&L.pdf

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	$4.56 shipped	$4.46 shipped	$4.36 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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Reviews

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Showing latest 4 entries. Click here to read all 44 reviews.

Displaying reviews posted by certified DX gadget owners first, followed by all other posted reviews.
Very bright!

Posted by critiacrof on 2/24/2010
Involvement: Expert (understands the inner workings) - Ownership: more than 1 month

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Pros: -very bright.

-very cheap.

-small in size but easy to mount and cool(I used thermal glue(from dx) and glued it on a piece of scrap heatsink, and it stays cool)

-It is ultra bright. This LED gives more light than te main light on my ceiling.

-easy to solder.

Cons: -It is maybe a little too bright. But this of course is a silly argument, because you can choose how much current you pas through it.

-It shines at nearly 180 degrees. Maybe I need to buy one of those special LEDs that have a lens and reflector integrated.

Other Thoughts: I made a very small flashlight(60x70x35mm) from a small tupperware-like box. I integrated a lithium-polymer battery and the 3256 driver in the box. A very small flashlight and yet the brightest light in our house.

Bottomline: Get at least two.

Q5 led

Posted by nickskethisniks on 2/24/2010
Involvement: Expert (understands the inner workings) - Ownership: more than 1 month

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Pros: Damn they are bright and this on a small star. Perfect to build it in some aplication, like home lightning, flashlight, desklamps and hundreds of aplications. You don't have much other components needed to build something of your own. Just a soldering iron a few wires and a battery.

Cons: Could always be cheaper, maybe a discount if you buy 20pcs.

For the rest no big cons, its just a fine led. And I will go plenty of these led.

But know I'm still waiting on my order from january, the leds would be temporaly out of stock.

Other Thoughts: The cree R2 is a litle bit brighter but not much, I would go for this led Price/efficient. You always have to be careful with leds, so use a driver instead of a resistor.

Bottomline: If you search for a good led, buy this one, DX has also good drivers on 230AC and also on DC, you also have plety of choice in the lens here on DX. So buy these led here on DX!

greate purchase

Posted by Berserk87 on 7/15/2009
Involvement: Expert (understands the inner workings) - Ownership: 1 day to 1 week

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Pros: These things are much smaller than i thought they were and are insanely bright for how bright i thought they would be
It would be awesome if they were cheaper, but i believe DX is offering the best deal for them right now.
 
Cons: Even better if they were cheaper.
 
Other Thoughts: There about the size of a quarter and get somewhat hot.
Make sure you have them attached to a heatsink or a think piece of aluminum to dissipate the heat.
You'll also need some cheap thermal grease to make the best connection.
 
Bottomline: BUY THEM.

Bright light, perfect for modding

Posted by th3pr4wn on 6/4/2009
Involvement: General (knows how to use it) - Ownership: more than 1 month

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Pros: Bright cree emitter on star, perfect for modding bike lights and flashlights etc. Allows you to build your own lights for cheap.
 
Cons: May require filing as mentioned in other reviews to fit into a lot of flash lights / torches. You need to be able to solder the star so some skill is required.
 
Other Thoughts: Could always be cheaper but for the price this is hard to beat on here.
 
Bottomline: Extreme deal. I would buy again if I needed to do more modding.
Buy this and mod your own lights instead of paying ridiculous retail prices for commercially available options.
I used this with a cheap flash light from here and the plastic holder to attach to bike handle bars. Gold.

Specifications

** Intended for flashlight builders and modders only **

Bin Label:

Usage Instructions