DOUBLE LIGHT ELECTRONICS TECHNOLOGY CO.,LTD
Professional LED maker from China Over 10 years of LED production experiences Sufficent supply,entirely quality assured
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0.39 Inch dual digit 7 segment display Ultra Red led countdown timer
7-segment single display
Application:
LED numeric display,alphanumeric display,digit displays,dot matrix and customized led display panels
1.Digital information, LED message display board.
2.Instruments, digital clock & toys.
3.Mark, Domestic Appliance and other household electrical appliances.
4.Scrolling marquee screen.
5.The image display and mark/instructions, indicators.
6.Mechnical equipments, digit & alphanumeric display.
7.Other display use and customized LED display panels.
Features:
LED seven segment display for indoor, semi-outdoor use, 0.31" to 0.56", different sizes and colors, one to four digits
Features:
1) LED numeric & alphanumeric displays for indoor, semi-outdoor and outdoor application.
2) Digit height: from 0.31" to 20" (0.31", 0.36", 0.39", 0.4", 0.5",0.52", 0.56", 1.0")
3) 1-digit, 2-digits, 3-digits, 4-digits, 6-digits available with black or grey face.
4) Various emitting colors: red(640nm),yellow green (572nm),pure green(525nm),yellow(590nm),blue(430nm), pure blue(470nm).
5) Advantages:
long life, low voltage, energy saving, even luminance, good stability and uniformity.
6) Applications: elevator/lift, bank exchange rate display, led clock display, led oil price display for gas satation and other different display areas of equipment/machine.
7) Customized requirements can be meet.
Device Selection Guide:
| Model No. | Chip Material | Source Color | Description |
| DL1-391ASRB | GaAlAs | Ultra Red | Common Anode |
| DL1-361CSRB | 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 | 5.0 | 10.8 | --- | mcd | IF=20mA (Note 1) |
| Luminous Intensity Matching Ratio (Segment To Segment) | Iv-m | --- | --- | 2:1 | IF=10mA | |
| Peak Emission Wavelength | λp | --- | 632 | --- | nm | IF=20mA |
| Dominant Wavelength | λd | --- | 624 | --- | nm | IF=20mA (Note 2) |
| Spectral Line Half-Width | △λ | --- | 20 | --- | nm | IF=20mA |
| Forward Voltage | VF | 1.8 | 2.0 | 2.60 | V | IF=20mA |
| Reverse Current | IR | --- | --- | 50 | µA | VR=5V |
Notes:
7-segment single display Package Dimension:
DL1-391ASRB DL1-391CSRB