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.
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