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0.4 inch 3 digit 7 segment display with common cathode for precise instrument readings

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0.4 inch 3 digit 7 segment display with common cathode for precise instrument readings

Model Number : 0.4 Inch 3-Digit 7-Segment LED Display Module

Digit Size : 0.4 inch

MOQ : 1000

Delivery Time : 15-20 working days

Typical Forward Voltage : 2.0~2.4V (Depends on luminous color)

Viewing Angle : 140° (Typical)

Payment Terms : L/C,D/A,D/P

Mounting Type : Through hole DIP dual in-line package

Average Service Life : ≥ 50,000 hours

Certification : ROHS/SG/IMQ

Display Color : Customizable (Red, Green, Blue, Yellow, White, etc.)

Brand Name : Weishibo

Display Format : 3 digits, each digit with independent decimal point

Price : 0.05-0.2 US dollars

Typical Segment Current : 15~20mA

Supply Ability : 500K per month

Displaytype : 7 Segment Display

Certifications : RoHS, REACH

Place of Origin : CHINA

Polarity : Common Anode / Common Cathode optional

Packaging Details : Plastic sealed packaging

Operatingtemperaturerange : -40°C to 85°C

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0.4 Inch 3 Digit 7 Segment LED Display
Product Overview

Factory supply 0.4" 3-digit seven segment LED display with 3 independent decimal points, multi-color optional, common cathode & common anode configurations. Ideal for industrial measuring equipment, instruments, chargers, and thermostats.

Key Features & Benefits
  • Professional LED display manufacturer with over 10 years of production experience
  • Fully automated SMT assembly lines ensure stable, consistent quality for bulk orders
  • Standard 0.4-inch digit height provides optimal readability without excessive board space
  • Matte black anti-glare mask eliminates light crosstalk between segments
  • Three independent decimal points for precise data display (voltage, temperature, pressure)
  • Dual polarity options: common anode / common cathode compatible with all mainstream MCU systems
  • Full luminous color series: red, green, blue, pure white, yellow with adjustable brightness
  • Through-hole DIP pin structure compatible with wave soldering and manual welding
  • Wide operating temperature range: -20℃ to +85℃ for industrial and household equipment
  • Custom services: pin definition, surface silk screen, brightness adjustment, packaging
  • Sufficient stock for standard models with 3-7 day lead time for wholesale orders
Applications
  • Voltage/current measuring instruments
  • Digital thermostats and temperature & humidity transmitters
  • Power bank & battery chargers
  • Electronic weighing scales
  • Industrial small counters
  • Air purifier & humidifier control panels
  • Student electronic teaching experiment kits
  • Mini timing countdown devices
Technical Specifications
Item Specification
Digit Size 0.4 inch
Digit Quantity 3 digits, each with independent decimal point
Mounting Type Through hole DIP dual in-line package
Polarity Common Anode / Common Cathode optional
Optional Luminous Color Red, Green, Blue, White, Yellow
Operating Temperature -20℃ to +85℃
Driver Compatibility TM1637, 74HC573, CD4511, MAX7219 and other mainstream driver ICs
Factory Advantages
  • 100% full lighting aging inspection before shipment, zero defective rate guarantee
  • Flexible MOQ: small sample trial orders and large bulk wholesale both acceptable
  • Professional electronic engineering team, free circuit matching technical guidance
  • All products comply with RoHS & REACH standards, meet EU and global export requirements
  • Stable monthly production capacity, on-time delivery for long-term cooperative clients

Product Tags:

cathode led digital tube

      

cathode seven segment display

      

0.4 inch led digital tube

      
Quality 0.4 inch 3 digit 7 segment display with common cathode for precise instrument readings for sale

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