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0.28 Inch two digit seven segment display Double Digit Numeric Red Led Display
common anode/cathode 0.28" red led dual 7 segment numeric display two digits
7 segemnt led display
Item color Item color
0.3” 1 digit single color                 0.56” 4 digit single color
0.36” 1 digit single color               0.8” 1 digit single color,bicolor
0.36” 3 digit single color               0.8” 2 digit single color
0.36” 4 digit single color               1” 1 digit single color,bicolor
0.39” 1 digit single color,bicolor    1.2” 1 digit single color,bicolor
0.39” 3 digit single color                1.5” 1 digit single color,bicolor
0.39” 4 digit single color                 1.8” 1 digit single color,bicolor
0.4” 1 digit single color                  2.3” 1 digit single color,bicolor
0.4” 2 digit single color                  3” 1 digit single color,bicolor
0.52” 1 digit single color                4” 1 digit single color,bicolor
0.56” 1 digit single color,bicolor     5” 1 digit single color,bicolor
0.56” 2 digit single color                 8” 1 digit single color,bicolor
0.56” 3 digit single color                12” 1 digit single color
 
Device Selection Guide:
 
| Model No. | Chip Material | Source Color | Description | 
| DL2-281ARB | GaAlAs | Ultra Red | Common Anode | 
| DL1-281CRB | Ultra Red | Common Cathode | 
| Parameters | Symbol | Max. | Unit | 
| Power Dissipation Per Segment | PD | 60 | mW | 
| Peak Forward Current Per Segment | IFP | 100 | mA | 
| Forward Current Per Segment | IF | 25 | mA | 
| Dating Linear From 50℃ | 0.4 | mA/℃ | |
| Reverse Voltage | VR | 5 | V | 
| Operating Temperature Range | Topr | -40℃ to +80℃ | |
| Storage Temperature Range | Tstg | -40℃ to +85℃ | |
| Soldering Temperature | Tsld | 260℃ for 5 Seconds | |
 
Electrical Optical Characteristics at Ta=25℃
| Parameters | Symbol | Min. | Typ. | Max. | Unit | Test Condition | 
| Luminous Intensity | Iv | 1.0 | 1.8 | --- | mcd | IF=20mA (Note 1) | 
| Luminous Intensity Matching Ratio (Segment To Segment) | Iv-m | --- | --- | 2:1 | IF=10mA | |
| Peak Emission Wavelength | λp | --- | 660 | --- | nm | IF=20mA | 
| Dominant Wavelength | λd | --- | 640 | --- | nm | IF=20mA (Note 2) | 
| Spectral Line Half-Width | △λ | --- | 20 | --- | nm | IF=20mA | 
| Forward Voltage | VF | --- | 1.80 | 2.40 | V | IF=20mA | 
| Reverse Current | IR | --- | --- | 50 | µA | VR=5V | 
 
7 Segment LED Display Package Dimension:
 
 
 
DL2-281ARA DL2-281CRA
