What is the typical forward voltage drop for a light-emitting

Answer (1 of 12): The forward voltage drop of an LED is typically on the order of a few volts. In my experience, no more than 4–5V, but as low as a few hundred millivolts. It all depends on the color of the LED (that is, the semiconductor(s) which comprise the LED). Just google “red LED” or any o

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