Shenzhen Guangzhibao Technology Co., Ltd.
| Packaging Details | EPE+Carton |
| Delivery Time | 15-20days |
| Payment Terms | TT in advance |
| Supply Ability | 50000pcs/days |
| 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 |
| Brand Name | LIGHTBO |
| Place of Origin | SHENZHEN，CHINA |
| Certification | ISO9001&ROHS |
| Model Number | LB-3902S(HCMS-3902) |
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Product Specification
| Packaging Details | EPE+Carton | Delivery Time | 15-20days |
| Payment Terms | TT in advance | Supply Ability | 50000pcs/days |
| 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 | Brand Name | LIGHTBO |
| Place of Origin | SHENZHEN，CHINA | Certification | ISO9001&ROHS |
| Model Number | LB-3902S(HCMS-3902) | ||
| High Light | 5x7 Dot Matrix LED Display ，5x7 led dot matrix display | ||
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
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
10million-12million
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Shenzhen Guangzhibao (Light-Bo) Technology Co. Ltd is specialized in LED products, including LED 7 segment numeric displays, alphanumeric LED displays,dot-matrix LED Displays, SMD LEDs, LED lamps,LCD backlights,LED light bar, bar gragh arrays and LED direction indicator displays and more. We offer ... Shenzhen Guangzhibao (Light-Bo) Technology Co. Ltd is specialized in LED products, including LED 7 segment numeric displays, alphanumeric LED displays,dot-matrix LED Displays, SMD LEDs, LED lamps,LCD backlights,LED light bar, bar gragh arrays and LED direction indicator displays and more. We offer ...
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