
Introduction In the world of electronics manufacturing, precision and efficiency are paramount. The 0.39 inch 4-digit seven segment LED display stands out as a remarkable component, combining functionality with clarity. This article delves deep into the features and applications of this versatile display, exploring its benefits, practical case studies, and user testimonials that highlight its value to engineers, purchasers, and administrators in the electronics sector.
Features of the 0.39 Inch 4-Digit Seven Segment LED Display The 0.39 inch 4-digit seven segment LED display, known for its compact size and high visibility, is a preferred choice for a variety of applications. Each segment consists of single LEDs configured to display numbers and some alphabetic characters, making it a versatile tool in any electronic display arsenal.
Key Applications in Electronics This LED display is commonly utilized in consumer electronics, public information displays, and control panels. Its ability to provide clear and immediate visual feedback makes it ideal for devices like digital clocks, calculators, and electronic meters. The applications extend to more sophisticated systems, such as medical apparatuses and fitness equipment, where readability and reliability are crucial.
Enhanced Readability and Energy Efficiency A standout feature of the 7 segment white display is its enhanced readability, which is vital for devices that require clear visibility in various lighting conditions. Additionally, the energy efficiency of LED technology ensures that devices using these displays consume minimal power, thereby extending their operational life and reducing maintenance costs.
Case Studies Demonstrating Value Several case studies highlight the transformative impact of integrating the 0.39 inch 4-digit seven segment LED display into electronic systems. For instance, a leading manufacturer of household appliances incorporated these displays into their products, resulting in a user-friendly interface that significantly enhanced the consumer experience and product ratings.
User Testimonials Feedback from electronics engineers who have worked with the 8 bit 7 segment display consistently praises its durability and ease of integration. Purchasers and supply chain administrators also note the display’s cost-effectiveness and the value it adds to the final products.
Benefits for Electronics Manufacturers The benefits of using the 4 digit LED number display in electronics manufacturing are manifold. It not only enhances product aesthetics and functionality but also supports robust design, leading to fewer customer complaints and returns. The display’s reliability and long life span reduce the frequency of replacements, offering long-term savings.
Conclusion: A Future-Proof Choice The 0.39 inch 4-digit seven segment LED display represents a smart investment for electronics manufacturers looking to future-proof their products. Its broad applicability and adaptability make it an essential component in the rapidly evolving electronics industry.
Call to Action
Are you looking to enhance your product’s display clarity and efficiency? Consider integrating the 0.39 inch 4-digit seven segment LED display into your next project for unmatched performance and value.

Features
- 0.39-Inch Digit Height (10.0mm): Provides clear visibility for numeric displays, suitable for applications where small, easily readable digits are required.
- Dimensions (Width x Height): 40.18 x 12.80mm: Its compact size makes it suitable for various applications where space efficiency is important.
- Low Current Operation: Energy-efficient, making it suitable for both battery-powered and low-power electronic devices.
- Common Anode and Cathode Options: Offers flexibility in circuit design, accommodating different electrical configurations.
- Excellent Character Appearance: Ensures digits are displayed clearly and legibly, enhancing readability.
- High Light Output: Bright enough for easy reading under various lighting conditions.
- Easy Mounting on PC Boards or Sockets: Designed for straightforward installation, facilitating efficient integration into electronic systems.
- IC Compatible: Can be integrated with integrated circuits, making it suitable for complex electronic designs.
- Multicolor Availability: Provides options for different colors, adding versatility in design and functional use.
- Categorized for Luminous Intensity: Ensures consistent brightness levels across units, important for uniform display quality.
- Technically Rugged: Durable and reliable, capable of withstanding various operational environments.
- Standard Design: Gray Surface, White Segment: Provides a classic look with high contrast for ease of reading.
- RoHS Compliance: Meets environmental standards, adhering to regulations that restrict hazardous substances.
Applications
- Industrial Control Panels: Suitable for use in industrial environments where clear, multi-digit numeric displays are necessary for monitoring and control.
- Public Information Displays: Ideal for transportation stations, public squares, or event venues where clear, multi-digit displays are needed.
- Consumer Electronics: Appropriate for household appliances and entertainment systems requiring multiple numeric displays.
- Telecommunication Equipment: Can be used in networking devices for displaying numerical information like channel numbers or signal strength.
- Retail and Point of Sale Systems: Effective in displaying prices, quantities, or codes in retail environments.
- Healthcare Equipment: Useful in medical devices for showing various numerical data such as patient vitals or timer settings.
- Automotive Displays: Suitable for vehicle dashboards to display information like temperature, speed, or fuel levels.
- Fitness Equipment: Ideal for gym machines, showing workout data such as time, speed, or calorie count.
- Educational Tools: Used in educational settings for timers or displaying experiment data.
- Safety and Emergency Equipment: Suitable for safety systems displaying critical numerical information.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-Q39E-42B |
BL-Q39F-42B |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
65 |
100 |
|
BL-Q39E-42D |
BL-Q39F-42D |
Super Red |
GaAlAs/DH |
660 |
2.2 |
75 |
115 |
|
BL-Q39E-42E |
BL-Q39F-42E |
Orange |
GaAsP/GaP |
635 |
2.5 |
80 |
115 |
|
BL-Q39E-42G |
BL-Q39F-42G |
Green |
GaP/GaP |
570 |
2.5 |
85 |
120 |
|
BL-Q39E-42H |
BL-Q39F-42H |
Red |
GaP/GaP |
700 |
2.6 |
8 |
10.5 |
|
BL-Q39E-42PG |
BL-Q39F-42PG |
Ultra Pure Green |
InGaN/SiC |
525 |
4.2 |
110 |
195 |
|
BL-Q39E-42S |
BL-Q39F-42S |
Hi Red |
GaAlAs/SH |
660 |
2.2 |
80 |
105 |
|
BL-Q39E-42UB |
BL-Q39F-42UB |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
80 |
125 |
|
BL-Q39E-42UE |
BL-Q39F-42UE |
Ultra Orange |
AlGaInP |
630 |
2.5 |
96 |
140 |
|
BL-Q39E-42UG |
BL-Q39F-42UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
96 |
140 |
|
BL-Q39E-42UR |
BL-Q39F-42UR |
Ultra Red |
GaAlAs/DDH |
660 |
2.2 |
105 |
160 |
|
BL-Q39E-42UY |
BL-Q39F-42UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
85 |
135 |
|
BL-Q39E-42W |
BL-Q39F-42W |
Ultra White |
InGaN |
- |
4.2 |
160 |
||
BL-Q39E-42Y |
BL-Q39F-42Y |
Yellow |
GaAsP/GaP |
585 |
2.5 |
80 |
115 |