Shenzhen Guangzhibao Technology Co., Ltd.
Shenzhen Guangzhibao Technology Co., Ltd. Provide high quality products at competitive prices
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LED DISPLAY 5X7 Dot Matrix LED Display 4CHAR 3.8MM RED HCMS-3902
Color:RED
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=20mA | 1.8 | 2.3 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=20mA | 80 | 95 | mcd | |
| Spectrum With Of Half Value | λ | If=20mA | 20 | nm | ||
| Wavelength | Dλ | If=20mA | 620 | 625 | nm |
Absolute Maximum Ratings(Ta=25℃)
| Parameter | Symbol | Ratings | Unit |
| Forward Current(per dice) | Ipm | 20 | mA |
| Reverse Voltage(per dice) | Vr | 5 | V |
| Power Dissipation(per dice) | Pm | 80 | mW |
| Operating Temperature Range | Topr | -40~+85 | ℃ |
| Storage Temperature Range | Tstg | -40~+85 | ℃ |
| Solder Temperature(3 sec) | Th | 260 | ℃ |
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.
Digital voltmeters and ammeters
Multifunction test equipment (e.g., oscilloscopes, signal generators)
Human-Machine Interfaces (HMIs) in industrial controllers
Routers, modems, and switches for status display
Telephony terminals and intercom systems for message output
Handheld terminals, digital scales, and portable testers
Medical equipment (e.g., blood glucose meters, blood pressure monitors)
Front panel displays for audio systems, amplifiers, and DVD players
Status displays in smart home systems
Machine status or fault code indicators
Real-time production data output on factory lines
Character display demos in MCU or FPGA development projects
Educational lab equipment requiring simple displays
