
0.40 inch double numeric LED display
Illuminating Precision: The 0.40 Inch Dual-Digit Seven Segment LED Display
In the domain of digital displays, the 0.40 inch dual-digit seven segment LED display has emerged as a cornerstone for readability, precision, and efficiency. Its compact size combined with high visibility makes it an ideal choice for a myriad of applications ranging from consumer electronics to sophisticated industrial instruments. This comprehensive article delves into the features, applications, benefits, and real-world impacts of these LED segments, designed to offer valuable insights for electronics manufacturers, engineers, purchasers, and administrators.
An Overview of LED Segment Displays
The LED segment technology, especially when embodied in the form of a 2 digit 7 segment display datasheet, presents a standardized solution for displaying numerical information in a concise and understandable manner. The inclusion of LED technology enhances visibility, durability, and energy efficiency, making these displays a go-to choice for modern electronic applications.
Key Features of the 0.40 Inch Display
This segment of the article focuses on the distinct characteristics of the 0.40 inch dual-digit seven segment LED display. High brightness levels, low power consumption, and an extensive lifespan are among the features that set it apart, ensuring its utility in both indoor and outdoor settings.
Diverse Applications and Utilization
From consumer electronics like digital clocks and calculators to more advanced applications in medical devices and automotive dashboards, the versatility of these displays is unmatched. The section explores various use cases, highlighting the display’s adaptability and functionality across different sectors.
Advantages for Electronics Industry Stakeholders
Electronics manufacturers and engineers benefit significantly from the integration of these displays into their products. This part discusses the advantages such as ease of programming, cost-effectiveness, and the positive impact on product design and user experience.
Case Studies: Success Stories Across Industries
Real-world examples and case studies will illustrate the transformative potential of the 0.40 inch dual-digit seven segment LED display. Success stories from various industries will showcase how these displays have solved complex display challenges, enhancing functionality and consumer satisfaction.
User Testimonials: Voices from the Field
Testimonials from industry professionals who have firsthand experience with these displays will offer insights into their reliability, performance, and overall impact on product development and usability.
Future Directions: LED Displays and Beyond
The conclusion will explore the ongoing innovations in LED display technology and its future implications for the electronics industry. This forward-looking perspective will highlight emerging trends and the potential for new applications and advancements.
Conclusion: The Bright Future of LED Segment Displays
The 0.40 inch dual-digit seven segment LED display exemplifies the blend of functionality, efficiency, and design aesthetics that modern electronics demand. By choosing to incorporate these displays, manufacturers and engineers can significantly enhance the value and appeal of their products.
Call to Action
Electronics professionals are encouraged to consider the vast possibilities offered by the 0.40 inch dual-digit seven segment LED display for their next project or product development endeavor, leveraging its benefits to achieve greater success and customer satisfaction.

Features
- 0.40 Inch Digit Height (10.20mm): Offers clear and visible numeric displays, suitable for applications where compactness and readability are key.
- Compact Dimensions: Measuring 20.10 x 16.00 mm, it’s ideal for small-scale applications where space is at a premium.
- Low Current Operation: Energy-efficient design, which is particularly beneficial in battery-operated or power-sensitive devices.
- Common Anode and Common Cathode Availability: Provides flexibility in electronic design, accommodating different types of circuit configurations.
- Excellent Character Appearance: Ensures sharp and clear numeric displays for ease of readability.
- High Light Output: Bright display ensures visibility under various lighting conditions.
- Easy Mounting on PC Boards or Sockets: Simplifies the process of integration onto printed circuit boards or into sockets, easing assembly.
- IC Compatible: Can be easily interfaced with various integrated circuits, suitable for complex electronic systems.
- Multicolor Availability: Available in different colors, offering options for customization and various design requirements.
- Categorized for Luminous Intensity: Ensures uniform brightness across units for consistent performance.
- Technically Rugged: Durable and reliable, built to withstand various operational conditions and environments.
- Standard Design: Features a standard gray surface with white segments, offering a classic and clear display appearance.
- RoHS Compliance: Manufactured in compliance with environmental and health safety standards.
Applications
- Digital Clocks and Timers: Ideal for timekeeping devices in various settings such as schools, offices, or kitchen appliances.
- Electronic Scoreboards: Suitable for sports arenas and event venues for displaying scores, times, or other numerical information.
- Industrial Equipment: Used in machinery for displaying measurements, counts, or operational data.
- Consumer Electronics: Incorporated in appliances like microwave ovens, washing machines, and other household devices for setting displays.
- Medical Devices: Employed in medical equipment for showing readings, timers, and numerical data.
- Automotive Displays: Applicable for displaying information on car dashboards, such as temperature, fuel level, or other indicators.
- Control Panels: Used in control panels for machinery, HVAC systems, and industrial systems for clear numeric readouts.
- Telecommunication Equipment: Suitable for network devices and communication equipment for displaying numeric information.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-D40A-21B |
BL-D40B-21B |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
35 |
45 |
|
BL-D40A-21D |
BL-D40B-21D |
Super Red |
GaAlAs/DH |
660 |
2.2 |
65 |
95 |
|
BL-D40A-21E |
BL-D40B-21E |
Orange |
GaAsP/GaP |
635 |
2.5 |
35 |
55 |
|
BL-D40A-21G |
BL-D40B-21G |
Green |
GaP/GaP |
570 |
2.5 |
28 |
40 |
|
BL-D40A-21H |
BL-D40B-21H |
Red |
GaP/GaP |
700 |
2.6 |
6.5 |
9 |
|
BL-D40A-21PG |
BL-D40B-21PG |
Ultra Pure Green |
InGaN/SiC |
525 |
4.2 |
120 |
185 |
|
BL-D40A-21S |
BL-D40B-21S |
Hi Red |
GaAlAs/SH |
660 |
2.2 |
65 |
90 |
|
BL-D40A-21UB |
BL-D40B-21UB |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
55 |
70 |
|
BL-D40A-21UE |
BL-D40B-21UE |
Ultra Orange |
AlGaInP |
630 |
2.5 |
70 |
115 |
|
BL-D40A-21UG |
BL-D40B-21UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
70 |
100 |
|
BL-D40A-21UR |
BL-D40B-21UR |
Ultra Red |
GaAlAs/DDH |
660 |
2.2 |
100 |
155 |
|
BL-D40A-21UY |
BL-D40B-21UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
70 |
115 |
|
BL-D40A-21W |
BL-D40B-21W |
Ultra White |
InGaN |
- |
4.2 |
70 |
||
BL-D40A-21Y |
BL-D40B-21Y |
Yellow |
GaAsP/GaP |
585 |
2.5 |
35 |
55 |