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square led module

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square led module Customers Reviews

  • Fine LED

    posted by EskilJ

    Lots of light, cheap
    I measured 1.6A at 33V at initial power-up.Current quickly rises (with temperature) in case of constant voltage supply. It seems more balanced at constant current.My camera claims the LED colour temperature is 6550K.I don't know if you get more when you buy those at 2-3x cost. I can't measure the output power, so I can't prove if it is cheap due to being failed in the manufacturing light intensity test, or it is just cheap.My base plate is nice and flat.
    Works fine
  • Good LED array

    posted by zqad

    Cheap, complete, reasonably designed
    I cleaned up the pinout diagram a bit and used the only marker I saw on the backside as an orientation guide:http://pdf.thepdfportal.com/?id=169458
    Would buy more if I had the time and energy to build a large-size LED display.If you will buy, remember to check out the alternative pinout diagram: http://pdf.thepdfportal.com/?id=169458
  • Bright LEDs

    posted by bradley90

    These are super bright RED LED modules. With only a 10 Watt dissipation, it is really easy to mount to a small heat sink with a small fan and not worry about over heating the modules. These modules would make fabulous emergency back lights. By keeping the amperage below 500ma, a smaller heat sink would be required and a simple constant current source could be constructed using a 78LM05 voltage regulator and one resistor. No fan would be required
    None - Just great LEDs
    Bottom line, for the money, these are awesome LEDs. They can be used in interesting DIY projects like LED communications or theme lighting.
  • Daylight LED...

    posted by wampyz

    high-output relative to the colour temperature... convenient cob panel allows for easy heat-sinking when driven at maximum current... good light beam divergence...
    used two of these to retrofit a burned out standing torchiere lamp... powered by an old 12V 1.6A switching power supply from an old networking appliance... if you've got standard ceilings, two is probably all you'll need... might need to add a third panel or a diffuser to spread the light out more if you have very high ceilings...
    great component for retrofitting to LEDs...
  • Very bright and very hot

    posted by mad85

    Very bright, does not heat too much, and good solder adhesion. Ideal for diy use.
    Will be using one of the main light for my lightly planted fresh water aquarium. Therefore will be enclosing it in a thin piece of glass.
    Will be using one of the main light for my lightly planted fresh water aquarium. Therefore will be enclosing it in a thin piece of glass.

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