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At what voltage range does 1.5mm red LED operates?​

Answer»

on LED datasheets. Typically, the forward VOLTAGE of an LED is between 1.8 and 3.3 volts. It varies by the color of the LED. A RED LED typically DROPS around 1.7 to 2.0 volts, but since both voltage drop and LIGHT frequency increase with BAND gap, a blue LED may drop around 3 to 3.3 volts.Explanation:



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