How to quickly know how many volts LED lamp beads are?
How many volts are LED bulbs generally? What is the voltage of the LED lamp beads? How to see how many volts LED lights are?
Then the voltage of the LED lamp bead is related to the color and wavelength of the light.
Generally speaking, the voltage of conventional white light bulbs is between 2.8V-3.4V, red light, orange light, yellow light and common green light bulbs, the voltage is 1.8-2.4V, emerald light, blue light, purple light, ice Blu-ray, generally 2.8-3.4V.
Therefore, knowing the regular voltage of the LED lamp bead, we can basically judge the voltage of the LED lamp bead, look at the color of the light, and predict the voltage value.
After all, LED lamp beads are low-current, low-voltage environmentally friendly products, and the overall voltage is relatively low.
Of course, if you use the series-parallel method, and combine multiple lamp beads in series and parallel, the voltage will be higher, which may be 6V, 9V, or a larger voltage.
In fact, some high-voltage lamp beads, such as 6V, 9V, 18V, and 36V lamp beads, are packaged together in series and parallel mode during packaging.
Therefore, we need to know how many volts LED lamp beads are, in addition to the conventional judgment of light color, what kind of light lamp beads, and the estimated voltage.
The voltage of a single lamp bead can also be calculated by driving the current.
For example, 50W lamp beads are packaged together by 10 strings and 5 parallels. Then, we know that 10 strings of 10 * (3.0-3.5V) = 30-35V.
So, know how many volts the LED lamp beads are:
One way is to look at the color of the light and predict how many volts it is. The second way is to calculate the voltage by driving the current.
Of course, if it is a professional LED lamp bead manufacturer, you can also directly pass the instrument test to see how many volts it is.
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