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

Brand Name:LIGHTBO
Certification:ISO9001&ROHS
Model Number:LB-3902S(HCMS-3902)
Minimum Order Quantity:1000PCS
Delivery Time:15-20days
Payment Terms:TT in advance
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Location: Shenzhen Guangdong China
Address: ROOM 308,3/F,BUILDING 1,BAIWANG RESEARCH AND DEVELOPMENT BUILDING,NO. 5298 ,SHAHE WEST ROAD,XILI STREET,NANSHAN DISTRICT,SHENZHEN
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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




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

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

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