
0.30 inch double numeric LED display
Demystifying the 0.30 Inch Dual-Digit Seven Segment LED Display: A Tech Deep Dive
In the age of digital innovation, the 0.30 inch dual-digit seven segment LED display stands as a beacon of clarity and efficiency. Known among technophiles for its precision and reliability, the “7 segment display segments” serve as the foundation of this indispensable technology. Incorporating key phrases like “2 seven segment display” and “dual seven segment display” early in this exploration not only aligns with best SEO practices but also ensures that we cover the breadth of applications and features of this remarkable display technology. Through an examination of its features, applications, benefits, along with real-world case studies and user testimonials, this article aims to provide electronics manufacturer engineers, purchasers, and administrators with a comprehensive understanding of the dual-digit phenomenon.
Introduction
The 0.30 inch dual-digit seven segment LED display, or as it’s technically known for its segments, “7 segment display segments,” epitomizes the intersection of practicality and technological advancement. This compact display has revolutionized the way digital information is presented, offering an unparalleled blend of visibility and precision in a range of electronic devices.
Core Features and Versatile Applications
Characterized by its dual-digit capability, the display allows for the presentation of numbers in a clear, concise manner. The “dual seven segment display” configuration is particularly beneficial in environments where space is at a premium but information delivery cannot be compromised. From digital clocks and timers to more sophisticated medical and industrial instruments, the applications are as diverse as they are critical.
Unlocking the Benefits
Adopting the 0.30 inch display into electronic projects comes with a host of advantages. Energy efficiency leads the charge, providing a sustainable option that doesn’t sacrifice performance. Durability and ease of programming further elevate its status among developers, making it a go-to choice for both straightforward and complex electronic applications.
Real-World Impact: Case Studies and Testimonials
Delving into case studies, one finds the display’s impact to be both broad and profound. In one instance, a digital thermometer project saw significant improvement in user interface readability and battery life by integrating this technology. User testimonials echo these sentiments, with one engineer praising its “reliability and easy integration” as game-changers in product development.
Conclusion: Embracing LED Display Innovation
The journey of the 0.30 inch dual-digit seven segment LED display from a technical component to a cornerstone of electronic design underscores its importance in the current digital landscape. Its blend of precision, versatility, and efficiency makes it an essential element for future innovations.
Step Into the Future with Leading-Edge Display Technology
Incorporating the 0.30 inch dual-digit seven segment LED display into your next project not only means embracing efficiency and clarity but also taking a step forward in the evolution of digital displays. Elevate your designs and products with this cutting-edge 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-D30E-21B |
BL-D30F-21B |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
35 |
48 |
|
BL-D30E-21D |
BL-D30F-21D |
Super Red |
GaAlAs/DH |
660 |
2.2 |
70 |
110 |
|
BL-D30E-21E |
BL-D30F-21E |
Orange |
GaAsP/GaP |
635 |
2.5 |
30 |
45 |
|
BL-D30E-21G |
BL-D30F-21G |
Green |
GaP/GaP |
570 |
2.5 |
28 |
45 |
|
BL-D30E-21H |
BL-D30F-21H |
Red |
GaP/GaP |
700 |
2.6 |
6.5 |
10 |
|
BL-D30E-21PG |
BL-D30F-21PG |
Ultra Pure Green |
InGaN/SiC |
525 |
4.2 |
120 |
180 |
|
BL-D30E-21S |
BL-D30F-21S |
Hi Red |
GaAlAs/SH |
660 |
2.2 |
65 |
100 |
|
BL-D30E-21UB |
BL-D30F-21UB |
ultra Blue |
InGaN/SiC |
470 |
4.2 |
52 |
70 |
|
BL-D30E-21UE |
BL-D30F-21UE |
Ultra Orange |
AlGaInP |
630 |
2.5 |
75 |
120 |
|
BL-D30E-21UG |
BL-D30F-21UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
60 |
90 |
|
BL-D30E-21UR |
BL-D30F-21UR |
Ultra Red |
GaAlAs/DDH |
660 |
2.2 |
90 |
150 |
|
BL-D30E-21UY |
BL-D30F-21UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
75 |
120 |
|
BL-D30E-21W |
BL-D30F-21W |
Ultra White |
InGaN |
- |
4.2 |
70 |
||
BL-D30E-21Y |
BL-D30F-21Y |
Yellow |
GaAsP/GaP |
585 |
2.5 |
35 |
55 |