Pin 1 and 8 are common pins; single color emitted color; 2 LEDs in series per segment; static internal circuit PCB; 3 inch single digit 7 segment LED display; both CA and CC versions are available; drive voltage within 5V.
Features:
1. 75 mm (3 inch) digit high
2. Excellent digit appearance
3. Wide viewing angle
4. Range of emitted colors
5. I.C. compatible
6. Low power consumption
7. Black face,White segment
8. RoHS compliant
Package Dimensions and Internal Circuit： 
Notes:
1. All dimensions are in millimeters(inches), Tolerance is + 0.25mm(0.01inch)unless other wise noted.
2. Specifications are subject to change without notice.
3. The gap between the reflector and PCB shall not exceed 0.25mm.
Table1:
| Single Digit 7 Segment LED Display, Digit Height: 75.00mm(3.00inch), External Dimensions: 65.00x85.50x12.00mm (L x W x H ) |
| Part No. | Chip | Iv@IF=40mA | Iv@IF=20mA |
| CC | CA | Material | Color | WLD | One Seg | One DP |
| Min. | Typ. | Min. | Typ. |
| LD30012GR | LD30012HR | GaAlAs | Super Red | 640 | 36 | 45 | 12 | 15 |
| LD30012GD | LD30012HD | GaAlAs | Hi-Red | 640 | 81 | 112.5 | 27 | 37.5 |
| LD30012GO | LD30012HO | GaAsP | Orange | 625 | 31.5 | 40.5 | 10.5 | 13.5 |
| LD30012GY | LD30012HY | GaAsP | Yellow | 588 | 36 | 45 | 12 | 15 |
| LD30012GG | LD30012HG | GaP | Green | 568 | 31.5 | 40.5 | 10.5 | 13.5 |
| LD30012GUR | LD30012HUR | AlGaInP | Ultra Red | 640 | 135 | 202.5 | 45 | 67.5 |
| LD30012GUO | LD30012HUO | AlGaInP | Ultra Orange | 625 | 202.5 | 270 | 67.5 | 90 |
| LD30012GUA | LD30012HUA | AlGaInP | Ultra Amber | 605 | 135 | 202.5 | 45 | 67.5 |
| LD30012GUY | LD30012HUY | AlGaInP | Ultra Yellow | 595 | 135 | 202.5 | 45 | 67.5 |
| LD30012GUG | LD30012HUG | AlGaInP | Ultra Green | 573 | 135 | 202.5 | 45 | 67.5 |
| LD30012GPG | LD30012HPG | InGaN | Pure Green | 525 | 540 | 1350 | 180 | 450 |
| LD30012GUB | LD30012HUB | InGaN | Ultra Blue | 470 | 135 | 202.5 | 45 | 67.5 |
| LD30012GUW | LD30012HUW | SMD | Ultra White | \ | 450 | 540 | 150 | 180 |
| Unit: | \ | \ | \ | nm | mcd | mcd | mcd | mcd |
Notes:
1. CC=Common Cathode
2. CA=Common Anode
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