0.39 Inch 4 Digit 7 Segment LED Display
0.39 Inch 4 Digit 7 Segment LED Display Overview
The HOUKEM-3942-BSR is a high-quality 4 digit 7 segment LED display designed for clocks, timers, industrial instruments, measuring equipment and household appliances. Featuring a compact 0.39 inch digit height, bright red illumination and common anode configuration, this display offers excellent visibility, low power consumption and reliable long-term performance.
As a professional LED display manufacturer in China, HOUKEM provides OEM and custom solutions for customers worldwide. Custom colors, pin configurations and private labeling services are available according to project requirements.
Key Features
- 0.39 inch digit height for compact electronic devices
- High brightness red LED display
- Common anode configuration
- Available in red, white, green and blue colors
- Suitable for multiplexed driving circuits
- Excellent viewing performance and reliability
- OEM and ODM customization supported
- CE, RoHS, REACH and ISO9001 certified
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | 0.39 Inch 4 Digit 7 Segment LED Display |
| Model Number | HOUKEM-3942-BSR |
| Display Type | 4 Digit 7 Segment LED Display |
| Digit Height | 0.39 Inch |
| Color | Red |
| Available Colors | Red, White, Green, Blue |
| PCB Polarity | Common Anode |
| Panel Size | 40 × 17 mm |
| Pixel Pitch | 2.54 mm |
| Operating Temperature | -35℃ to +50℃ |
| Warranty | 2 Years |
| OEM Service | Supported |
| Custom Design | Supported |
| Certificates | CE, RoHS, ISO9001, REACH |
| Place of Origin | Guangdong, China |
Applications of 4 Digit 7 Segment LED Display
This4 digit 7 segment LED display is widely used in various electronic products and industrial equipment.
- Digital clocks
- Kitchen timers
- Industrial timers
- Temperature controllers
- Voltage and current meters
- Frequency counters
- Home appliances
- Game machines
- Control panels
- Electronic measuring instruments
Quality Assurance
Every HOUKEM LED display undergoes strict quality inspection before shipment to ensure stable performance and long service life.
Frequently Asked Questions
What is the polarity of this 4 digit 7 segment LED display?
This model uses a common anode configuration.
It is suitable for applications requiring common anode driving circuits.
Can I customize the display color?
Yes, red, green, blue and white versions are available.
Custom colors can be developed for volume orders.
Do you provide OEM and private label services?
Yes, HOUKEM supports OEM, ODM and customized production.
Private labeling and customized specifications are available.
What industries commonly use this display?
The display is widely used in clocks, timers, meters and industrial equipment.
It is also suitable for household appliances and control systems.
Can I get samples before placing a bulk order?
Yes, samples are available for testing and evaluation.
Bulk production can be arranged after sample approval.
Why Choose HOUKEM?
- Professional LED display manufacturer
- More than 20 years of production experience
- OEM and ODM capability
- Strict quality control system
- Fast sample support
- Stable supply for global customers
Request a Quote Today
Looking for a reliable 4 digit 7 segment LED display manufacturer in China?
Contact HOUKEM today for datasheets, samples, pricing and custom display solutions. Our engineering and sales teams are ready to support your project requirements.
Our valid EU‑related certifications include CE, RoHS 2.0, REACH (SVHC), EMC. We are able to provide complete MSDS (Material Safety Data Sheet) documents for customers upon request.
All our LED products follow EU EMC directive, RoHS hazardous‑substance restrictions and REACH chemical regulations. Full certification files can be supplied before shipment.







