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Brand Name : DOUBLE LIGHT
Model Number : DL4-401CRB
Certification : ISO9001:2008/ROHS
Place of Origin : China (mainland)
MOQ : 1000PCS
Price : Negotiated
Payment Terms : Telegraphic Transfer in Advance (Advance TT, T/T)
Supply Ability : 8,000,000pcs per Day
Delivery Time : 7 working days after received your payment
Packaging Details : Dimensions per Unit:0.28 × 0.2 × 0.13 Meters • Weight per Unit:3.5 Kilograms • Units per Export Carton:40000 • Export Carton Dimensions L/W/H: 0.45 × 0.28 × 0.27 Meters • Export Carton Weight:14.2 Kilograms
Product Name : 0.40 Inch LED Digital Display
Package : Quadruple Digit Numeric Displays
Source Color : Super Bright Red
Peak Emission Wavelength : 660nm
Chip Material : GaAlAs
Forward Voltage @20ma : 1.80-2.40V
Luminous Intensity : 4.0mcd
0.40" Quadruple Digit Numeric Displays 4 digit 7 segment display datasheet
Features:
 1. 0.40″ (inch) digit height.
 2. Excellent segment uniformity.
 3. Sold state reliability.
 4. Industrial standard size.
 5. Low power consumption.
 6. The product itself will remain within RoHS compliant Version.
 Descriptions:
 1. The DL4-401XRB series is a lager 10.16mm (0.40″) high seven segments display designed for viewing
 distances up to 7 meters.
 2. These displays provide excellent reliability in bright ambient light.
 3. These devices are made with white segments and black surface.
 Applications:
 1. Audio equipment.
 2. Instrument panels.
 3. Digital read out display.
Device Selection Guide:
| Model No. | Chip Material | Source Color | Description | 
| DL4-401ARB | GaAlAs | Super Bright Red | Common Anode | 
| DL4-401CRB | Super Bright Red | Common Cathode | 

Notes:
 1. All dimensions are in millimeters (inches).
 2. Tolerance is ±0.25 mm (.010″) unless otherwise noted..
 3. Specifications are subject to change without notice.
Triple Digit Numeric Displays Absolute Maximum Ratings at Ta=25℃
| Parameters | Symbol | Max. | Unit | 
| Power Dissipation Per Segment | PD | 60 | mW | 
| Peak Forward Current Per Segment (1/10 Duty Cycle, 0.1ms Pulse Width) | 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 | |
Triple Digit Numeric Displays Electrical Optical Characteristics at Ta=25℃
| Parameters | Symbol | Min. | Typ. | Max. | Unit | Test Condition | 
| Luminous Intensity | Iv | 2.0 | 4.0 | --- | 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 | 
Notes:
 1. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE eye-response curve.
 2. The dominant wavelength (λd) is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device.

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| 0.40" Quadruple Digit Numeric Displays 4 digit 7 segment display datasheet Images | 
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