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Part Number LED Chip Wavelength Forward Voltage DC Forward Current Luminous Intensity
Material Emitting Color Dominant Vf (V)  If=20mA If (mA) Iv(mcd)  If=20mA
λd (nm) Typ. Typ.
LA2521-21B GaP/GaP Green 572 2.1 10 3.2
LA2531-21B GaAsP/GaP Yellow 590 2.1 10 3.5
LA2541-21B GaAsP/GaP Orange 626 2.1 10 3
LA2571-21B-M1 AlGaAs/GaAs SH Red 643 1.8 10 7.7