5730Lamp beads
LED Beads
Keyword:
Power failure detection LED:
In case of no power supply, it is recommended to prepare a 3V button battery in order to facilitate the selection at the time of purchase, which can be used to easily check what light the LED emits.
Reasons for burning of high-power led lamp beads:
01. The upper and lower two filaments are called gold wires in our industry. Pure gold wires are used for conducting electricity. Two positive electrodes and two negative electrodes. A really good product will have a fifth wire, which is welded on the Zener tube to protect it.
02. When the filament becomes shorter, it is clear that your lamp has been burned by high current, which is equivalent to open circuit.
03. The driving current of high-power 1W is about 350ma, and the working voltage is between 3.2-3.6V. Please be careful when using it. Excessive current will burn the lamp.
04. Generally, the aluminum substrates of three 1W lamps are driven by about 12V, and few are directly used for 220V. Do you think there is a lack of a constant current source or a lack of a 12V driving power supply?
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