0.4 Inch Two Digit Seven Segment Display Common Anode Common Cathode
Dual digits, 0.4 inch digit, 7-segment diplay, common anode or common cathode.
Dual digits 7 segment led display
a, Black with white diffuse
b, Colors: red(640nm),yellow green (572nm),pure green(525nm),yellow(590nm),blue(430nm), pure blue(470nm).
c, Digit height: 0.4"
d, Customized requirements can meet.
| Part No | Chip |
Electro-optical Data (At 10mA) |
||||
| Common Anode | Common Cathode | △λ(nm) | Wave Length λD(nm) | VF (V) | Iv.Typ. Per.Seg. (mcd) | |
| Typ. | ||||||
| BD2-401UB-A12 | BD2-401UB-C12 | InGaN/SiC Blue Chip | 465 | 3.2 | 12 | |
| BD2-401PG-A12 | BD2-401PG-C12 | InGaN/SiC Pure Green Chip | 525 | 3.2 | 18 | |
| BD2-401GU-A12 | BD2-401GU-C12 | Gap/Gap Yellow Green Chip | 570 | 2.15 | 2.5 | |
| BD2-401UG-A12 | BD2-401UG-C12 | AlGaInP/GaAs Yellow Green Chip | 570 | 2.1 | 4.5 | |
| BD2-401HY-A12 | BD2-401HY-C12 | GaAsP/GaP Yellow Chip | 590 | 2.1 | 1.5 | |
| BD2-401UY-A12 | BD2-401UY-C12 | AlGaInP/GaAs Yellow Chip | 590 | 2.05 | 15 | |
| BD2-401YO-A12 | BD2-401YO-C12 | AlGaInP/GaAs Orange Chip | 605 | 2.05 | 15 | |
| BD2-401HO-A12 | BD2-401HO-C12 | GaAsP/GaP Orange Chip | 625 | 2 | 1.5 | |
| BD2-401UR-A12 | BD2-401UR-C12 | AlGaInP/GaAs Red Chip | 630 | 1.95 | 10 | |
| BD2-401SR-A12 | BD2-401SR-C12 | AlGaAs/GaAs Red Chip | 643 | 1.85 | 1.5 | |
Most character-oriented displays, such as seven-segment, fourteen-segment, and sixteen-segment displays, display complete characters at a time. The various parts of each character are connected in a two-dimensional matrix of diodes that only light up when both the "row" and "column" lines of the matrix are at the correct potential. The light-emitting elements are usually in the form of light-emitting diodes (LEDs), so that current can only flow in one direction, electrically isolating the individual "row" and "column" wires of the matrix from each other. With LCDs, the intersection of rows and columns does not conduct electricity at all..
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