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10w led emitter

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10w led emitter Customers Reviews

  • Good value 10W LED

    posted by alexvinchev

    - reasonable price;- good luminance for this power;- solid package;- easy mounting;- good and well marked connection terminals;
    All LEDs should be cooled well if long life is important. Needs special power supply (constant current). Driving with constant voltage could cause LED damage.Good choice for power supply is SKU: 81475. Additional reflector & optics could be added to focus or spread the light.
    Good product for general use. Light output is sufficient for decorative building lighting applications, stairs lighting, virtually any place which doesn't need high brightness single light source.
  • Really bright from a small emitter, great price

    posted by 4xssx4

    This thing is extremely bright for a small emitter, the color is a nice deep blue and creates a lot of shimmer, great for saltwater tanks, it makes the corals and the fishes colors pop and illuminate, it also penetrates the deep with plenty of light at two feet
    Wish I bought extra, the first time I bought some they came in bubble wrap, the second they came in plastic baggies, don't know why but they weren't damaged
    Great value, bright, small, easy to solder
  • Very nice and bright, great price!

    posted by nasukaren

    An excellent very bright LED. Easy to put together a driver circuit if you can solder, using an LM317 driver chip with a single resistor to tell it how many mA to limit it too.
    Superbright. You need a good heatsink for the LED since it will get quite hot. Don't use this with just a resistor as the LED can easily go into thermal runaway and a resistor isn't "smart" enough to control current in those conditions.
    A stellar value. thanks DX -- now please post good specs on any of the electronic components that you list!!!
  • Not quite as bright as expected

    posted by Syncopated

    Fairly straightforward to use. I had no problems working with it. The only problem I had was my own fault -- I accidentally connected 42V to the red channel of one of the plates and destroyed it in a blaze of glory.
    A wide range of colors can be produced, as expected. Packaging is pretty robust -- it came wrapped in a bubble pad.
    The polarity is not marked in an obvious way. Here's how it was marked on the ones I got: The lead with a hole punch in it is the anode -- it's to be connected to the positive terminal of a power supply.
    A heatsink is probably needed if you run it continuously at full power. I use a 110mm-diameter heatsink per plate. The back of the heatsink becomes hot to touch after 1-3 minutes at full power (350mA per channel), hot enough to burn my finger if I touch it for 10-20s. These LED plates are quite nifty, but the bulky heatsinks are not so fun. In a few years, maybe technology will increase LED efficiency sufficiently so that much smaller heatsinks can be used instead. Hopefully.
    For better heat conduction to the heat sink, I think they could have made the bottom surface flatter and smoother, but I don't think it's a big deal.
    I think it's good value for money at the price I got it for.
  • Useful warm white LED

    posted by rusty1964

    Appears to be well made.
    Colour temperature appears to be as advertised.
    Used as repair parts in outside flood lights and are as bright as the originals.
    On test, the evenness of the nine LEDs appeared very good.
    Appears to be well made.
    Colour temperature appears to be as advertised.
    Used as repair parts in outside flood lights and are as bright as the originals.
    On test, the evenness of the nine LEDs appeared very good.
    A little more expensive than I would have liked, but a good LED for low power illumination

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