Nanjing Weishi Bo Electronics Co., Ltd
                                                                                                           
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7 Years
Since 2019
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0.28 Inch High-Brightness 7-Segment LED Display with Common Cathode/Anode Mini Numeric Tube

Price Negotiable
Price: 0.05-0.1 US dollars
MOQ: 1000
Delivery Time: 15-20 working days
Brand: Weishibo
Product Description
0.28 Inch 1-Digit 7-Segment LED Display | Common Cathode/Anode Mini Numeric Tube
Product Overview

This ultra-compact 0.28-inch single-digit 7-segment LED numeric display features high-efficiency micro-LED chips with uniform luminance, delivering clear digit display with an independent decimal point. Available in both common cathode and common anode configurations and packaged in a through-hole form factor, it offers easy soldering, reliable mechanical fixation and excellent circuit compatibility. With a miniature footprint and wide operating temperature range, this digital tube is an ideal space-saving display solution for compact meters, small household appliances, portable devices, embedded systems and consumer electronics requiring miniaturized single-digit readouts.

Key Specifications
Item Specification
Display Type 1-Digit 7-Segment LED Numeric Display
Digit Height 0.28 Inch (7.11 mm)
Display Color Customizable (Red, Green, Blue, Yellow, White, etc.)
Digit Configuration 1 Digit, with 7 segments + 1 decimal point
Polarity Common Cathode / Common Anode (Optional)
Package Type Through-Hole (2-pin)
Typical Forward Voltage 1.8 - 2.2 V (varies by color)
Recommended Operating Current 10 - 15 mA per segment
Viewing Angle 120° (Typical)
Operating Temperature -40°C ~ +85°C
Storage Temperature -50°C ~ +100°C
Average Service Life ≥ 50,000 hours
Core Advantages
  • Ultra-Compact Miniature Design: 0.28-inch digit size with an extremely small footprint fits seamlessly into space-constrained device enclosures, making it ideal for miniaturized product designs.
  • High-Brightness Uniform Output: High-efficiency micro-LED chips deliver consistent luminance across all segments, ensuring good readability even with the small digit size under ambient lighting.
  • Flexible Polarity Options: Supplied in both common cathode and common anode versions to adapt to different circuit architectures and driver design requirements.
  • Reliable Through-Hole Assembly: Simple 2-pin through-hole design enables straightforward soldering and secure mechanical mounting, well-suited for high-volume automated production.
  • Wide Environmental Adaptability: Industrial-grade operating temperature range supports stable long-term performance in both indoor and moderately harsh outdoor scenarios.
  • Low Power Consumption: Optimized LED chip design reduces operating current requirements, making it ideal for battery-powered portable devices and low-power embedded systems.
Applications
  • Compact Digital Multimeters & Portable Measurement Instruments
  • Small Household Appliance Control & Status Panels (e.g., mini timers, chargers)
  • Wearable Electronics & Portable Smart Devices
  • Low-Power Embedded Systems & IoT Sensors
  • Power Bank & Portable Charger Digital Indicators
  • DIY Mini Electronics Projects & Compact Development Boards
  • Medical Device Miniature Readouts & Monitoring Modules

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Nanjing Weishi Bo Electronics Co., Ltd
Location No. 86, Runqi Road, Dongshan Subdistrict, Jiangning District, Nanjing City, Jiangsu Province, China
Contact Person Scott

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