
Introduction
The SMD seven segment display 0.4 inch 4 digit is a crucial component in the electronics industry, known for its clarity, efficiency, and versatility. This display type, often referred to as a smd seven segment display or a 1 inch 7 segment display, is widely used across various applications due to its high performance and reliability. In this article, we will delve into the key features, applications, and benefits of the smd seven segment display. Additionally, we will present case studies and user testimonials to illustrate its practical utility for electronics manufacturers, engineers, and purchasers.
Features of the SMD Seven Segment Display 0.4 Inch 4 Digit
The SMD seven segment display 0.4 inch 4 digit boasts several notable features that make it a preferred choice in the industry:
- High Brightness and Clarity: This display ensures excellent visibility, making it easy to read even in low-light conditions.
- Compact Design: The small size of the display makes it ideal for applications where space is a constraint.
- Energy Efficiency: Utilizing SMD LED technology, these displays consume minimal power, making them ideal for battery-operated devices.
- Durability: Designed to withstand various environmental conditions, these displays are robust and long-lasting.
Applications of the SMD Seven Segment Display 0.4 Inch 4 Digit
This versatile display is used in a wide array of applications due to its adaptability and functionality:
- Digital Clocks and Timers: Commonly used in digital clocks, countdown timers, and stopwatches, providing precise timekeeping and easy readability.
- Measurement Instruments: Utilized in devices such as voltmeters, ammeters, and multimeters to display accurate readings.
- Consumer Electronics: Widely used in household appliances like microwaves, ovens, and air conditioners for displaying settings and timings.
- Medical Devices: Employed in medical equipment for displaying crucial data such as heart rate, blood pressure, and other vital signs.
Benefits of Using an SMD Seven Segment Display
Clarity and Readability: The high brightness and contrast of the smd seven segment display ensure that numbers are easy to read from a distance, enhancing usability in various environments.
Space Efficiency: The compact design of the SMD seven segment display 0.4 inch 4 digit makes it perfect for devices with limited space, allowing for more efficient use of the available area.
Cost-Effectiveness: These displays provide an economical solution compared to other display technologies, making them a cost-effective choice for many applications.
Reliability: With a robust design and long lifespan, these displays offer reliable performance, reducing the need for frequent replacements and maintenance.
Ease of Use: The straightforward configuration of the 1 inch 7 segment display simplifies wiring and integration, making it accessible for both professionals and hobbyists.
Case Studies
Case Study 1: Industrial Equipment Monitoring
A manufacturing company integrated the SMD seven segment display 0.4 inch 4 digit into their equipment monitoring systems. The displays provided clear, real-time data on machine performance, which improved maintenance schedules and reduced downtime by 20%.
Case Study 2: Enhancing Medical Devices
A medical device manufacturer used these displays in their new line of patient monitoring equipment. The clear, bright display of vital signs helped healthcare professionals monitor patients more effectively, leading to improved patient outcomes.
User Testimonials
John S., Electronics Engineer: “I’ve been using the SMD seven segment display 0.4 inch 4 digit in my projects for years. Its reliability and ease of use make it my go-to choice for numeric displays.”
Emily R., Product Designer: “These displays are fantastic for consumer electronics. Our latest product line saw a significant boost in user satisfaction thanks to the clear, bright display.”
Integration with Common Cathode and Common Anode Configurations
The SMD seven segment display 0.4 inch 4 digit is also available in 7 segment display segments configurations, including common cathode and common anode types. This versatility allows for a wide range of applications and simplifies circuit design. Additionally, configurations like the seven segment 4 digit display offer flexibility in circuit design, accommodating various project requirements.
Conclusion
The SMD seven segment display 0.4 inch 4 digit is a versatile and reliable component, ideal for a wide range of applications from industrial equipment to consumer electronics. Its features, including high brightness, durability, and ease of integration, make it an excellent choice for displaying numeric information. Whether you are an electronics manufacturer, engineer, or product designer, this display offers a cost-effective solution to meet your needs.
Call to Action
Ready to enhance your next project with a reliable and clear display? Consider the SMD seven segment display 0.4 inch 4 digit. For more information and to place an order, visit our website or contact our sales team today.

Features:
- Compact 0.40 inch digit height.
- Single decimal point.
- Common anode or common cathode.
- Low current operation.
- RoHS compliant.
Applications:
- Automotive displays.
- Portable electronics.
- Medical instruments.
- Consumer electronics.
- Fitness trackers.
- Wearable technology.
- DIY projects.
- Industrial instruments.
- Measurement devices.
- Temperature controllers.
- Digital clocks.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-QS40A-41B-XX |
BL-QS40B-41B-XX |
Ultra Blue |
InGaN |
470 |
4.2 |
140 |
||
BL-QS40A-41D-XX |
BL-QS40B-41D-XX |
Super Red |
GaAlAs/GaAs,DH |
660 |
2.2 |
220 |
||
BL-QS40A-41E-XX |
BL-QS40B-41E-XX |
Red |
GaAsP/GaP |
635 |
2.5 |
110 |
||
BL-QS40A-41G-XX |
BL-QS40B-41G-XX |
Green |
GaP/GaP |
570 |
2.5 |
80 |
||
BL-QS40A-41PG-XX |
BL-QS40B-41PG-XX |
Ultra Pure Green |
InGaN |
525 |
4.5 |
360 |
||
BL-QS40A-41S-XX |
BL-QS40B-41S-XX |
Hi Red |
GaAlAs/GaAs,SH |
660 |
2.2 |
180 |
||
BL-QS40A-41UE-XX |
BL-QS40B-41UE-XX |
Ultra Red |
AlGaInP |
630 |
2.5 |
230 |
||
BL-QS40A-41UG-XX |
BL-QS40B-41UG-XX |
Ultra Green |
AlGaInP |
574 |
2.5 |
200 |
||
BL-QS40A-41UHR-XX |
BL-QS40B-41UHR-XX |
Ultra Red |
AlGaInP |
645 |
2.5 |
300 |
||
BL-QS40A-41UR-XX |
BL-QS40B-41UR-XX |
Ultra Red |
GaAlAs/GaAs,DDH |
660 |
2.2 |
300 |
||
BL-QS40A-41UY-XX |
BL-QS40B-41UY-XX |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
230 |
||
BL-QS40A-41W-XX |
BL-QS40B-41W-XX |
Ultra White |
InGaN |
/ |
4.2 |
140 |
||
BL-QS40A-41Y-XX |
BL-QS40B-41Y-XX |
Yellow |
GaAsP/GaP |
585 |
2.5 |
120 |
||
BL-QS40A-41YO-XX |
BL-QS40B-41YO-XX |
Ultra Amber |
AlGaInP |
619 |
2.5 |
230 |