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0.28 inch 4 digit 7 Segment Display LED Digital Tube with Through Hole DIP for Mini Clock and Timer

Product Specification
Place of Origin: CHINA
Brand Name: Weishibo
Certification: ROHS/SG/IMQ
Model Number: 0.28 Inch 4-Digit 7-Segment LED Display Module
Minimum Order Quantity: 1000
Price: 0.05-0.2 US dollars
Payment Terms: L/C,D/A,D/P
Supply Ability: 500K per month
Product Details
Highlight:

cathode led digital tube

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7 segment led digital tube

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7 segment common cathode display

Display Format: 4 Digits, Each Digit With Independent Decimal Point
Digit Size: 0.28 Inch
Display Color: Customizable (Red, Green, Blue, Yellow, White, Etc.)
Polarity: Common Anode / Common Cathode Optional
Typical Forward Voltage: 2.0~2.4V (Depends On Luminous Color)
Typical Segment Current: 15~20mA
Mounting Type: Through Hole DIP Dual In-line Package
Displaytype: 7 Segment Display
Viewing Angle: 140° (Typical)
Operatingtemperaturerange: -40°C To 85°C
Certifications: RoHS, REACH
Average Service Life: ≥ 50,000 Hours
Product Description
0.28 Inch 4 Digit Clock LED 7 Segment Display
Ultra-Compact Digital Display Solution

Factory supply 0.28-inch 4-digit clock seven segment LED display with colon and 4 decimal points. Available in common anode or common cathode configurations with multiple color options, designed for mini digital clocks and portable timing devices.

Manufacturing Excellence

As professional LED display manufacturers with over 10 years of production experience, all our 0.28-inch 4-digit clock digital tubes are produced using fully automated SMT assembly lines to ensure uniform, stable quality for large wholesale orders.

Key Features
  • Ultra-compact 0.28-inch digit height with minimal footprint
  • Built-in time colon and 4 independent decimal points
  • Matte black anti-glare mask eliminates light crosstalk
  • Dual polarity options: common anode / common cathode
  • Multiple luminous colors: red, green, blue, white, yellow
  • Standard through-hole DIP pin layout
  • Wide operating temperature range: -20℃ to +85℃
  • Custom pin definition, silk screen, and packaging available
Applications
Mini digital alarm clocks, wearable watch displays, portable countdown timers, smart home sensor panels, thermostat controllers, electronic DIY kits, charging power indicators
Technical Specifications
Item Specification
Digit Size 0.28 inch
Digit Quantity 4 digits with time colon + 4 decimal points
Mounting Type Through hole DIP dual in-line package
Polarity Common Anode / Common Cathode optional
Luminous Color Red, Green, Blue, White, Yellow
Operating Temperature -20℃ ~ +85℃
Compatible Driver IC TM1637, 74HC573, CD4511, MAX7219
Factory Advantages
  • 100% full lighting aging inspection before shipment
  • Flexible MOQ: sample trials and bulk wholesale supported
  • Professional engineering team with free technical guidance
  • RoHS & REACH compliant for global export standards
  • Stable production capacity with guaranteed on-time delivery
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