C/A-501X, C/A-521X SINGLE DIGIT DISPLAY Shape Part No. Common Common Cathode Anode Chip Raw Material Emitted Color Wave Length λp(nm) Electro-Optical Characteristics Vf(V)20mA Iv(ucd)10mA Typ. Max. Typ. C-501H C-501E C-501G C-501Y A-501H A-501E A-501G A-501Y GaP GaAsP/GaP GaP GaAsP/GaP Red Hi.effi Red Green Yellow 700 635 565 585 2.1 2.0 2.1 2.1 2.8 2.8 2.8 2.8 650 2000 2000 1600 C-501SR C-521H C-521E C-521G C-521Y A-501SR A-521H A-521E A-521G A-521Y GaAlAs GaP GaAsP/GaP GaP GaAsP/GaP Super Red Red Hi.effi Red Green Yellow 660 700 635 565 585 1.8 2.1 2.0 2.1 2.1 2.4 2.8 2.8 2.8 2.8 21000 650 2000 2000 1600 C-521SR A-521SR GaAlAs Super Red 660 1.8 2.4 21000 Fig. No. D7 D8 Fig.D7 Fig.D8 1.All dimension are in millimeters (inches). 2.Tolerance is ±0.25 mm (0.01”) unless otherwise specified.