Houkem 0.39 Inch 3 Digit SMD 7 Segment Display
Houkem 0.39 Inch 3 Digit SMD 7 Segment Display
TheKEM-3931SMD-A/BW is an ultra-thin 3 digit SMD 7 segment display designed for professional electronic applications requiring compact size, clear numerical indication, and reliable performance. With a 0.39 inch white LED display structure, surface mount package, and flexible polarity options, this LED display module is suitable for digital clocks, weighing scales, counters, price signs, and various indoor electronic devices.
As an experienced LED display manufacturer, Houkem provides high-quality LED display components with OEM and ODM customization services. The 0.39 inch 3 digit SMD 7 segment display can be customized according to customer requirements, including display dimensions, LED color, polarity configuration, and application-specific designs.
Product Specifications
The KEM-3931SMD-A/BW combines an ultra-thin SMD design with stable electrical performance, making it an ideal solution for manufacturers developing compact electronic products.
| Specification | Details |
|---|---|
| Product Model | KEM-3931SMD-A/BW |
| Product Type | 0.39 Inch 3 Digit SMD 7 Segment Display |
| Brand Name | KEM / Houkem |
| Display Digit | 3 Digit |
| Display Size | 0.39 inch |
| Emitting Color | White |
| Panel Size | 29.4 × 19 × 3.75 mm |
| Pixel Pitch | 2 mm |
| Polarity | Cathode / Anode Available |
| Working Current | 20mA |
| Operating Temperature | -35 ~ +85 ℃ |
| Application | Display Digits |
| Usage | Clock, Weighing Scale, Counter, Price Sign, etc. |
| Face Color | Black / Gray / Red |
| Packaging | EPE + Carton or Tube Packaging |
| OEM | Yes |
| Place of Origin | Guangdong, China |
Features of 3 Digit SMD 7 Segment Display
Ultra-Thin Surface Mount Design
The KEM-3931SMD-A/BW adopts a compact surface mount structure with a thickness of only 3.75mm, making it suitable for electronic products where installation space is limited.
Compared with traditional through-hole LED displays, this SMD 7 segment display 3 digit design helps manufacturers achieve thinner product structures while maintaining stable display performance.
Clear White LED Numerical Display
Thiswhite 3 digit 7 segment LED display provides excellent visibility for indoor applications. The white LED emission color is suitable for modern electronic devices requiring clean and high-contrast numerical information.
Typical display functions include:
- Time display
- Weight measurement
- Digital counting
- Price indication
- Equipment status display
Flexible Polarity Options
The product supports both Cathode and Anode polarity configurations, allowing engineers to select the suitable connection method according to circuit design requirements.
This flexibility helps reduce development complexity for OEM electronic manufacturers.
Reliable Performance for Industrial Applications
With an operating temperature range of -35 ~ +85 ℃ and a recommended working current of 20mA, the display module provides stable operation in different indoor electronic environments.
Houkem focuses on providing reliable LED display components for global manufacturers requiring consistent quality and long-term supply.
Applications of 0.39 Inch 3 Digit LED Display
The KEM-3931SMD-A/BW is designed for professional B2B applications, including:
Digital Clock Displays
The compact three-digit format is suitable for clocks, timers, and electronic time control devices.
Weighing Scale Displays
The display module can be integrated into electronic weighing systems to show measurement values clearly.
Counter and Measurement Equipment
It is suitable for industrial counters, measuring instruments, and control equipment requiring numerical display functions.
Price Signs and Indoor Digital Displays
Manufacturers can use this LED module for retail price displays and indoor digital information systems.
OEM and Custom LED Display Solutions
Houkem supports OEM and ODM projects for customers looking for customized 3 digit SMD 7 segment displaysolutions.
Available customization options include:
- Different LED colors
- Custom dimensions
- Different polarity designs
- Special display requirements
- Customized packaging solutions
With professional LED display manufacturing experience, Houkem helps customers from sample testing to mass production.
Why Choose Houkem LED Display Manufacturer
Houkem specializes in manufacturing LED display components, including:
- 7 segment LED displays
- SMD LED displays
- Dot matrix displays
- Customized LED display solutions
Our products are manufactured with strict quality control processes to ensure stable performance for global B2B customers.
Datasheets, technical information, and product samples are available for engineering evaluation before bulk orders.
FAQ
Q1: What is the KEM-3931SMD-A/BW LED display used for?
It is a 0.39 inch 3 digit SMD 7 segment display designed for clocks, weighing scales, counters, and indoor electronic devices.
Its compact design makes it suitable for space-limited applications.
Q2: What makes this SMD 7 segment display different from traditional LED displays?
It uses an ultra-thin surface mount structure with a 3.75mm thickness.
This helps manufacturers develop thinner and more compact electronic products.
Q3: Can Houkem provide different polarity options?
Yes, both Cathode and Anode polarity versions are available.
Customers can select the configuration according to their PCB design requirements.
Q4: Can this white 3 digit LED display be customized?
Yes, Houkem supports OEM and ODM customization.
LED color, dimensions, packaging, and electrical specifications can be adjusted for projects.
Q5: Can customers request samples before mass production?
Yes, Houkem provides samples and technical documents for product evaluation.
Customers can test compatibility before starting large-volume production.
Request a Quote for Your LED Display Project
Looking for a reliable 3 digit SMD 7 segment display manufacturer for your electronic products? Contact Houkem today with your technical requirements and application details. Our team provides professional OEM solutions, samples, and production support for global LED display projects.
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.
