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  • Convenient and solid performance

    posted by hatallica on 07/31/2010
    0 0

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:

    * Easy to mount
    * Soldering wires to the leads was much easier than soldering to metal core PCB
    * Thermal impedance seems to be fairly low, which means that light output should degrade slowly

    Cons:

    * Unknown manufacturer and no datasheet
    * Optics (lens, reflector) are not readily available, if you wish to focus the light beam

    OtherThoughts:

    * Wide beam - almost 180 degrees
    * Pure white light is similar to daylight at noon ... looks blue-ish compared to incandescent or halogen light
    * I would like to use SSC P7 instead, but it is not easy to find off-line drivers
    Reference my photos for my application (outdoor floodlight). Driving 2 LEDs at 700mA, total LED power is only 12.8W. Usable output (efficacy) is comparable to my 150W halogen floodlight.

    Bottomline:

    There is a risk when using electronics that are not from a reputable brand. Initial results are at least as good as expected.
    I will probably invest in more of these LEDs, and convert more of my outdoor lights.

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