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LED DISPLAY 5X7 Dot Matrix LED Display 4CHAR 3.8MM RED HCMS-3902

Categories 5x7 Dot Matrix LED Display
Brand Name: LIGHTBO
Place of Origin: SHENZHEN,CHINA
Certification: ISO9001&ROHS
MOQ: 1000PCS
Price: Negotiate
Packaging Details: EPE+Carton
Delivery Time: 15-20days
Payment Terms: TT in advance
Supply Ability: 50000pcs/days
Model Number: LB-3902S(HCMS-3902)
Row and column: 5x7
Operating Temperature: -40°C To 85°C
Application: Information Display
chip color: Red
Mounting Type: Through-Hole/Surface Mount
Wavelength: 620-625nm
Power Supply: 5V
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LED DISPLAY 5X7 Dot Matrix LED Display 4CHAR 3.8MM RED HCMS-3902

LED DISPLAY 5X7 Dot Matrix LED Display 4CHAR 3.8MM RED HCMS-3902


Color:RED

ParameterSymbolConditionMinTypMaxUnit
Forward VoltageVfIf=20mA1.82.3V
Reverse VoltageVrIr=10uA5V
Luminous IntenstyIvIf=20mA8095mcd
Spectrum With Of Half ValueλIf=20mA20nm
WavelengthIf=20mA620625nm

Absolute Maximum Ratings(Ta=25℃)

ParameterSymbolRatingsUnit
Forward Current(per dice)Ipm20mA
Reverse Voltage(per dice)Vr5V
Power Dissipation(per dice)Pm80mW
Operating Temperature RangeTopr-40~+85
Storage Temperature RangeTstg-40~+85
Solder Temperature(3 sec)Th260

LB-3902S(HCMS-3902) is an intelligent alphanumeric LED display module that integrates a character generator, driver circuitry, and a serial interface. It is compact, easy to drive, and requires no external character ROM, making it ideal for a wide range of small-scale character display applications.


1. Instrumentation Displays

  • Digital voltmeters and ammeters

  • Multifunction test equipment (e.g., oscilloscopes, signal generators)

  • Human-Machine Interfaces (HMIs) in industrial controllers

2. Communication Devices

  • Routers, modems, and switches for status display

  • Telephony terminals and intercom systems for message output

3. Portable Devices

  • Handheld terminals, digital scales, and portable testers

  • Medical equipment (e.g., blood glucose meters, blood pressure monitors)

4. Consumer Electronics

  • Front panel displays for audio systems, amplifiers, and DVD players

  • Status displays in smart home systems

5. Industrial Automation & Process Control

  • Machine status or fault code indicators

  • Real-time production data output on factory lines

6. Embedded Development & Education

  • Character display demos in MCU or FPGA development projects

  • Educational lab equipment requiring simple displays




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