On Friday, April 13, 2018 at 8:27:35 AM UTC-7, Jens Boos wrote: > > Is there a datasheet for this LED? I am really interested in the current > draw. (The voltage is fixed, more or less, by the wavelength. So the > current will tell us something about the efficiency.) Jens > Google "GaAs LED efficiency". According to https://www.ele.uva.es/~pedro/optoele/LEDs/Bright_LEDs.pdf , before 1973 the efficiency was under 1% or under 0.2%, depending on the chemistry.
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