
Introduction
The 0.39 inch 3 digit seven segment LED display, commonly referred to as an 8 segment display, is a crucial component in modern electronics. This display, often configured as a seven segment 3 digit, is celebrated for its precision and efficiency. Its compact size and versatile applications make it an essential element in both consumer and industrial electronics. This article explores the features, applications, benefits, case studies, and user testimonials of the 0.39 inch 3 digit seven segment LED display, highlighting its importance to electronics manufacturers, engineers, purchasers, and administrators.
Features of the 0.39 Inch 3 Digit Seven Segment LED Display
Compact and Efficient Design
The 0.39 inch 8 segment display is designed to offer maximum efficiency in a compact form factor. Its small size makes it ideal for applications where space is limited, such as handheld devices, compact meters, and small-scale electronic systems. Despite its compact size, the display provides clear and bright digits, ensuring readability.
High Reliability
One of the standout features of the 8 segment display is its reliability. Built to withstand various environmental conditions, these displays offer long-term performance with minimal maintenance. The LED technology ensures that the display is securely mounted and resistant to vibrations and mechanical shocks.
Versatile Integration
The 8 segment display is compatible with a wide range of circuits and systems. Whether you’re working on a seven segment anode configuration or interfacing with various microcontrollers, this display can be seamlessly integrated. The standard custom 7 segment display configuration ensures straightforward connectivity and control.
Applications of the 0.39 Inch 3 Digit Seven Segment LED Display
Consumer Electronics
In consumer electronics, the 8 segment display is often used in devices like digital clocks, calculators, and home appliances. Its compact size and clear display make it perfect for showing numerical data in a user-friendly format.
Industrial Equipment
For industrial applications, the 0.39 inch 8 segment display is used in control panels, instrumentation, and measurement devices. Its reliability and precision are crucial for environments where accurate data display is necessary for operational efficiency.
Medical Devices
In the medical field, precise and reliable data display is essential. The 8 segment display is used in medical instruments such as blood pressure monitors, glucose meters, and other diagnostic tools, providing clear readings in a compact format.
Benefits of the 0.39 Inch 3 Digit Seven Segment LED Display
Enhanced Durability
The LED technology used in these displays ensures enhanced durability. The displays are less prone to damage from physical impacts and environmental factors, making them suitable for demanding applications.
Energy Efficiency
The 8 segment display is designed to be energy-efficient, consuming less power compared to larger or more complex display technologies. This is particularly beneficial for battery-operated devices where power conservation is crucial.
Ease of Integration
With a standard custom 7 segment display configuration, these displays are easy to integrate into various circuits and systems. This simplifies the design process and reduces the time needed to bring products to market.
Case Studies
Case Study 1: Consumer Electronics
A leading manufacturer of digital kitchen scales implemented the 0.39 inch 8 segment display to show weight measurements. The compact size of the display allowed for a sleek and modern design, while the clear digits ensured easy readability. The use of the 8 segment display resulted in a product that was both aesthetically pleasing and functional.
Case Study 2: Industrial Automation
An automation company integrated the 8 segment display into their control panels for industrial machinery. The displays were used to show real-time data such as machine speed and operational status. The high reliability and durability of the displays ensured they performed well in harsh industrial environments, leading to increased efficiency and reduced downtime.
Case Study 3: Medical Instruments
A medical device company used the 0.39 inch 8 segment display in their portable glucose meters. The compact size and low power consumption of the displays made them ideal for handheld medical devices. The clear and precise readings provided by the displays helped improve patient monitoring and management.
User Testimonials
Testimonial 1: Electronics Engineer
“As an electronics engineer, I have found the 0.39 inch 8 segment display to be incredibly versatile and reliable. Its compact size does not compromise on readability, and it integrates seamlessly into a variety of projects.”
Testimonial 2: Industrial Equipment Manufacturer
“We have been using the 8 segment display in our control panels for years, and it has never let us down. The durability and clear display are crucial for our applications, and these displays have consistently met our expectations.”
Testimonial 3: Medical Device Developer
“Our portable medical devices rely heavily on the precision and reliability of the 0.39 inch 8 segment display. The displays provide clear and accurate readings, which are essential for patient care. We are very satisfied with their performance.”
Conclusion
The 0.39 inch 3 digit seven segment LED display is a vital component for various electronic applications, offering high visibility, reliability, and ease of integration. Whether used in consumer electronics, industrial equipment, or medical devices, the 8 segment display provides clear and accurate information in a compact and durable format. Its compatibility with various circuits and systems, including the standard custom 7 segment display configuration, makes it an excellent choice for a wide range of projects.
For those seeking a reliable and efficient display solution, the 0.39 inch 8 segment display is a top contender. Its benefits are clear, and the positive feedback from users across different industries underscores its effectiveness.
Call to Action
If you are looking to enhance the performance and efficiency of your electronic devices, consider integrating the 0.39 inch 8 segment display. Contact us today to learn more about how this versatile and durable display can meet your needs.

Features
- 0.39-Inch Digit Height (10.0mm): Offers clear visibility for numerical displays, suitable for applications where legibility is key.
- Dimensions (Width x Height): 20.1*16mm: Compact and space-efficient, making it ideal for applications with limited space.
- Low Current Operation: Energy-saving, beneficial for devices that need to conserve power, especially battery-operated units.
- Common Anode and Cathode Availability: Provides versatility in electronic design, allowing for integration into various circuit configurations.
- Excellent Character Appearance: Ensures clear and sharp display of characters, enhancing readability.
- High Light Output: Bright enough to be easily readable in different lighting conditions.
- Easy Mounting on PC Boards or Sockets: Designed for straightforward installation, facilitating quick assembly in electronic systems.
- IC Compatible: Can be integrated with other integrated circuits, making it suitable for complex electronics.
- Multicolor Availability: Offers a range of color options for aesthetic and functional purposes.
- Categorized for Luminous Intensity: Guarantees uniform brightness across units, important for consistent display quality.
- Technically Rugged: Durable and reliable, capable of withstanding various operational conditions.
- Standard Design: Gray Surface, White Segment: Provides a classic look with good contrast for easy reading.
- RoHS Compliance: Environmentally friendly, adhering to regulations restricting hazardous substances.
Applications
- Consumer Electronics: Ideal for small electronic devices like digital clocks, timers, calculators, where numeric display is essential.
- Industrial Control Panels: Suitable for displaying readings in control systems within industrial environments.
- Medical Devices: Useful in various medical instruments for displaying vital statistics or measurement readings.
- Automotive Dashboards: Appropriate for vehicle dashboards, displaying information like speed, fuel level, and other important metrics.
- Telecommunication Devices: Can be used in network hardware for showing channel numbers, signal strength, or other vital information.
- Retail and Point of Sale Systems: Effective in cash registers and pricing systems for displaying prices, quantities, or other relevant data.
- Portable Electronics: Suitable for handheld devices where space is limited but a clear numeric display is necessary.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-T39C-31B |
BL-T39D-31B |
Ultra Blue |
InGaN |
470 |
4.2 |
90 |
||
BL-T39C-31D |
BL-T39D-31D |
Super Red |
GaAlAs/GaAs,DH |
660 |
2.2 |
110 |
||
BL-T39C-31E |
BL-T39D-31E |
Red |
GaAsP/GaP |
635 |
2.5 |
60 |
||
BL-T39C-31G |
BL-T39D-31G |
Green |
GaP/GaP |
570 |
2.5 |
50 |
||
BL-T39C-31PG |
BL-T39D-31PG |
Ultra Pure Green |
InGaN |
525 |
4.5 |
180 |
||
BL-T39C-31S |
BL-T39D-31S |
Hi Red |
GaAlAs/GaAs,SH |
660 |
2.2 |
95 |
||
BL-T39C-31UE |
BL-T39D-31UE |
Ultra Red |
AlGaInP |
630 |
2.5 |
85 |
||
BL-T39C-31UG |
BL-T39D-31UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
120 |
||
BL-T39C-31UHR |
BL-T39D-31UHR |
Ultra Red |
AlGaInP |
645 |
2.5 |
115 |
||
BL-T39C-31UR |
BL-T39D-31UR |
Ultra Red |
GaAlAs/GaAs,DDH |
660 |
2.2 |
115 |
||
BL-T39C-31UY |
BL-T39D-31UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
85 |
||
BL-T39C-31W |
BL-T39D-31W |
Ultra White |
InGaN |
- |
4.2 |
125 |
||
BL-T39C-31Y |
BL-T39D-31Y |
Yellow |
GaAsP/GaP |
585 |
2.5 |
60 |
||
BL-T39C-31YO |
BL-T39D-31YO |
Ultra Amber |
AlGaInP |
619 |
2.5 |
85 |