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  • Not quite halogen, but pretty good.

    posted by iksbob on 07/12/2011
    0 0

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day


    Warm white, though it seems tan compared to halogen's yellow... Color rendering seems slightly reduced in a direct comparison.

    Low power draw. (measured about 100mA @ 12V)

    Construction seems pretty solid.

    The emitters are set up as 8 groups of 3 LEDs, with a current-limiting resistor for each group. That means if one LED fails, it will also disable the other 2 in its group, but the remaining 21 LEDs will be unaffected.


    Out of the 5 modules I ordered, one had a cluster of 3 LEDs that are DOA.

    The units run hot at 12VDC. After operating for 5 minutes in open air, the PCB and emitters are up to 76°C (170°F). This seems excessive, and makes me wonder about the life span of the design. Even more so if the units are used in a closed fixture.


    I bought these to use as interior lighting in my car, but they seem to need some tinkering (higher value resistors maybe) to be reliable for that.


    They're bright, but seem to be overdriven.

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