2PCS CITIZEN CLL042 ceramics COB 90W high power Light Emitting Diode 4000K Neutral white light LED CRI 90 Ra Downlight source
10.88
$
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Customer Reviews
Anonymous
December 30, 2020
The LEDs are as described and were delivered quickly. It is worth downloading the data sheet to learn how to handle and drive them, a constant current source is preferred and at full current a heat sink is necessary. I have only driven one at 3/4 of the rated current and had to switch off very quickly as it was not on a heat sink. The light was VERY bright.