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Common Cathode 7 Segment LED Display for Appliances

7 Segment LED Display
November 27, 2025
Category Connection: 7 Segment LED Display
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Tags:
#low power 7 segment display #seven segment led display #7 segment numeric display
Brief: This video explains the main functions and practical uses of the Customized Super Bright Red 4-Digit 8mm SMD LED Display in a clear, step-by-step format. You'll see how this common anode display integrates into instrument panels and home appliances, demonstrating its space-saving SMD design, automated assembly compatibility, and high-contrast visibility for critical readouts.
Related Product Features:
  • Ultra-compact SMD form factor (23×11.5×4.5mm) for space-saving integration into slim PCBs and dense layouts.
  • Surface-mount pins compatible with automated pick-and-place assembly lines for high-volume production.
  • Super bright red illumination (50-60mcd) with high contrast for clear visibility in bright environments.
  • White segments on a grey surface reduce eye strain while ensuring sharp digit edges.
  • Low power consumption (5-10mA/LED) extends battery life and reduces energy costs.
  • Long lifespan of 50,000+ hours matches the service life of most instruments and appliances.
  • Common anode polarity works with standard driver ICs like TM1637, HT1621, and MAX7219.
  • RoHS compliant and available in multiple colors for flexible design and global export standards.
FAQs:
  • What are the main applications for this 4-digit SMD LED display?
    This display is tailored for instrument panels showing metrics like voltage or current, home appliances such as microwaves for timer display, and digital indicators in portable thermometers or battery chargers.
  • How does the SMD design benefit production and device integration?
    The SMD form factor supports automated assembly, reduces manual labor errors, and fits into compact PCBs, enabling sleeker device designs for appliances and instruments.
  • What makes this display suitable for bright environments?
    The super bright red light (630-635nm) combined with white segments on a grey surface provides high contrast, ensuring clear readability in conditions like kitchen lighting or workshop brightness.
  • Is this LED display compatible with standard driver circuits?
    Yes, its common anode polarity integrates seamlessly with widely used driver ICs such as TM1637, HT1621, and MAX7219, simplifying circuit design.
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