
0.30 inch double numeric LED display
The Evolution and Impact of the 0.30 Inch Dual-Digit Seven Segment LED Display
In the dynamic world of electronic displays, the 0.30 inch dual-digit seven segment LED display has carved a niche for itself, revolutionizing how information is visually presented. This technology, often referred to simply as the “7 segment display,” has become a staple in digital readouts across a myriad of applications. Its synonymous term, “2 7 segment display,” highlights its capability to project two digits simultaneously, offering a blend of efficiency and clarity. Within this comprehensive exploration, we’ll delve into the features, applications, benefits, and real-world impacts of this innovative display technology, providing insights from case studies and user testimonials.
Introduction to Seven Segment Display Technology
At the heart of many electronic devices is the 7 segment display, a marvel of engineering designed to simplify the representation of numerals. The 0.30 inch dual-digit variant stands out for its compact size and versatility, making it particularly useful in applications where space is limited but readability is paramount. Its ability to convey information clearly and efficiently makes it a preferred choice among electronics manufacturers, engineers, purchasers, and administrators alike.
Features and Applications of the 0.30 Inch Display
The dual 7 segment display offers a unique combination of features that cater to a wide range of applications. Its small footprint, coupled with high brightness LED segments, ensures optimal visibility under various lighting conditions. This display finds its place in electronic devices ranging from digital clocks and timers to more complex instrumentation like healthcare monitors and industrial control panels.
The Benefits Unleashed
Adopting the 0.30 inch dual-digit seven segment LED display in electronic projects comes with numerous advantages. Energy efficiency stands at the forefront, with these displays consuming minimal power, thereby extending the battery life of portable devices. Furthermore, their durability and ease of programming make them an ideal choice for a variety of industrial and consumer electronics.
Case Studies: Demonstrating Versatility and Efficiency
The real-world applications of the 2 seven segment display are vast and varied. A notable case study involves its integration into a portable medical device, where it significantly improved the readability and reliability of critical patient data. This example underscores the display’s role in enhancing device functionality and user interaction.
Hearing from the Users
Feedback from industry professionals who have implemented the 0.30 inch dual-digit seven segment LED display in their projects has been overwhelmingly positive. One electronics engineer remarked on its “unmatched clarity and ease of use,” highlighting the positive impact on product development cycles and end-user satisfaction.
Conclusion: A Bright Future for LED Displays
The journey of the 0.30 inch dual-digit seven segment LED display from a simple numeric indicator to a key component in sophisticated electronics illustrates its significance in the technological landscape. Its blend of precision, efficiency, and adaptability ensures that it will remain a vital element in the evolution of digital displays.
Embrace the Future with Advanced Display Technology
Incorporate the cutting-edge 0.30 inch dual-digit seven segment LED display into your electronics projects to unlock new levels of performance and innovation. Step into the future, where clarity meets efficiency in digital display technology.

Features
- 0.30 Inch Digit Height (7.62mm): Provides clear and visible numeric displays, ideal for applications where compactness is crucial.
- Compact Dimensions: Measuring 15.50 x 15.00 mm, this display is well-suited for small-scale applications.
- Low Current Operation: Energy-efficient, reducing power consumption, beneficial in battery-operated or power-sensitive devices.
- Common Anode and Common Cathode Availability: Offers flexibility in circuit design, accommodating a variety of electronic 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: Designed for straightforward integration onto printed circuit boards or into sockets, easing the assembly process.
- IC Compatible: Can be easily interfaced with various integrated circuits, making it suitable for complex electronic systems.
- Multicolor Availability: Available in different colors, providing options for customization and various design needs.
- 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 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 compact spaces like electronic gadgets, small appliances, and handheld devices.
- Electronic Scoreboards: Suitable for small sports equipment or game devices where space is limited.
- Industrial Equipment: Used in small machinery and equipment for displaying measurements, counts, or operational data.
- Consumer Electronics: Incorporated in compact household appliances, like small kitchen timers, digital thermometers, or portable music players.
- Medical Devices: Employed in small medical equipment for showing readings and numerical data.
- Automotive Displays: Applicable for small information displays in vehicles, such as dashboard indicators or accessory displays.
- Control Panels: Used in small control panels for machinery or electronic devices, providing clear numeric readouts.
- Telecommunication Equipment: Suitable for network devices, small communication equipment, or wearables 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-D30C-21B |
BL-D30D-21B |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
35 |
48 |
|
BL-D30C-21D |
BL-D30D-21D |
Super Red |
GaAlAs/DH |
660 |
2.2 |
70 |
110 |
|
BL-D30C-21E |
BL-D30D-21E |
Orange |
GaAsP/GaP |
635 |
2.5 |
30 |
45 |
|
BL-D30C-21G |
BL-D30D-21G |
Green |
GaP/GaP |
570 |
2.5 |
28 |
45 |
|
BL-D30C-21H |
BL-D30D-21H |
Red |
GaP/GaP |
700 |
2.6 |
6.5 |
10 |
|
BL-D30C-21PG |
BL-D30D-21PG |
Ultra Pure Green |
InGaN/SiC |
525 |
4.2 |
120 |
180 |
|
BL-D30C-21S |
BL-D30D-21S |
Hi Red |
GaAlAs/SH |
660 |
2.2 |
65 |
100 |
|
BL-D30C-21UB |
BL-D30D-21UB |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
52 |
70 |
|
BL-D30C-21UE |
BL-D30D-21UE |
Ultra Orange |
AlGaInP |
630 |
2.5 |
75 |
120 |
|
BL-D30C-21UG |
BL-D30D-21UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
60 |
90 |
|
BL-D30C-21UR |
BL-D30D-21UR |
Ultra Red |
GaAlAs/DDH |
660 |
2.2 |
90 |
150 |
|
BL-D30C-21UY |
BL-D30D-21UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
75 |
120 |
|
BL-D30C-21W |
BL-D30D-21W |
Ultra White |
InGaN |
- |
4.2 |
70 |
||
BL-D30C-21Y |
BL-D30D-21Y |
Yellow |
GaAsP/GaP |
585 |
2.5 |
35 |
55 |