DX » Community » Reviews » 2W 160-180LM 2850~3050K Warm White LED Light Bulbs (20-Piece Pack)
Customer’s impression:
Are very usefull to replace the old one
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  • posted bypuntofrank on 04/08/2015

    In addition to use as spare parts, I use them in all those occasions when you need to reach the voltage of the power supply. Keep in mind, of course, that work with a current between 600 and 650mA. More time with 600 mA, without appreciable loss of luminous flux. Another interesting use is to put... Read more

    Impression:Are very usefull to replace the old one;

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  • posted byhammerfh71 on 07/17/2014

    Great LED ! Just the right Thing to build your own Ideas ! :..............................................................................................: warm white ..ok.. Quality ...ok.. Not so expensive like cree ..:......................................... .................... is a cob light... Read more

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  • posted byKLTAM on 06/16/2014

    I purchased the "1W" LED a month ago and found the "2W" model at almost the same price. The '1W" LED worked fine, and I ordered and received the "2W" LED. Both worked fine and can be powered by 3.7V or 3.6V (3 x 1.2V) rechargeable batteries directly with Both at... Read more

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  • posted byJan09 on 09/08/2013

    Very bright LEDs for a good price. Small but still easy to solder to a distribution board. I have used twelve of the LEDs and four of them died. I run 400mA through them at 3.0V with good heatsink. Three LEDs started flickering and then died. One LED changed color and lost its conductivity. The a... Read more

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  • posted byNicotk on 07/15/2013

    The best lumen per dolar rate. Very useful. There is a minus mark to identify the negative pin, and this pin is bigger. Well packed in antiestatic bag with easy open. There´s not more technical data. would be useful the curve "current - tension - lumen" I measured voltage drop of a... Read more

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  • posted by61juri on 05/16/2013

    These 2 watt emitters can have twice the current as the one watt version , mostly used in ledbulbs for your home. They heat a little less up than the one watt version, the efficiency is comparable. So when you let them work together, (serie and/or parallel, you can make them suitable for every 80... Read more

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  • posted byIlGvars on 04/25/2013

    + Small package; + Have a metal back for heat-sinking (radiator attachment); + High brightness; + Low cost; - Could not be as effective as higher quality high-brightness LED. Needs a good heat sink attached (can also be soldered to the metal plate on the backside). For normal operation forward is... Read more

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  • posted byChronOJohn2 on 04/24/2013

    - You can repair various LED-Light bulbs sold here on DX in case one LED gets damaged. - Just check which LED is faulty using your Multimeter und replace it with one of these. - Don't forget to apply a bit of thermal grease (not included) - Polarity is marked on each LED with a small - - Seems to... Read more

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  • posted byRabarebane on 04/07/2013

    Low wattage with high lumens. Quite useful when designing a lamp. Just dozen of these will light up the room. +/- poles not marked and identical. TIP-use batteries to find out the poles and mark one of them, either with a marker or bend it, but be careful when bending, can be bent only 1-3 times,... Read more

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  • posted byJoachimA on 02/11/2013

    For 40W in LED you will hardly find something for a better price! The light temperature is really nice. Not significant touch of green, blue or yellow. Very nice warm color, similar like a halogen lamp. Some of the emitters looked "dirty" or a little bit scratched on top of the lens. I... Read more

    Three strings in parallel with five LEDs in series

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