I have bought these COB Led chips (4 units), in order to replace leds in a garden lamp that uses to have a single led with a power transformer source. Although the power wattage of theses chips are three times higher, I guess that with a good conductive paste I will succeed in this changing. I have carefully chosen these COB led chips, considering their size (Y27=27mm of diameter), so that I have plenty room to install them, inside the garden projectors. The use of these chips results in a less expensive solution, instead of normal Chip plus power source.
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COB LED Chip Light 220V No Need Driver DIY Led Floodlight Lamp Y27.
I have bought these COB Led chips (4 units), in order to replace leds in a garden lamp that uses to have a single led with a power transformer source. Although the power wattage of theses chips are three times higher, I guess that with a good conductive paste I will succeed in this changing. I have carefully chosen these COB led chips, considering their size (Y27=27mm of diameter), so that I have plenty room to install them, inside the garden projectors. The use of these chips results in a less expensive solution, instead of normal Chip plus power source.