0.4 Inch 3 Digit 7 Segment Display
0.4 Inch 3 Digit 7 Segment Display Overview
TheHOUKEM-4031-BSR 3 digit 7 segment display is a compact and high-brightness numeric LED display designed for industrial equipment, electronic instruments, control systems, counters, timers, measuring devices, and embedded display applications.
Featuringsuper red LEDs (620–625nm), low power consumption, and stable optical performance, this 0.4 inch 7 segment display is available in both common anodeandcommon cathode configurations, making it easy to integrate into a wide range of PCB designs and electronic products.
With over 20 years of LED display manufacturing experience, HOUKEM provides OEM and custom solutions for global electronics manufacturers, engineers, and industrial equipment suppliers.
Product Specifications
| Parameter | Specification |
|---|---|
| Part Number | HOUKEM-4031-A/BSR |
| Product Type | 3 Digit 7 Segment Display |
| Digit Height | 0.4 Inch |
| Overall Dimension | 30.1 × 16 × 7 mm |
| Surface Color | Black / Gray |
| Segment Color | White / Clear |
| Emitting Color | Super Red (620–625nm) |
| Luminous Intensity | 100 mcd/chip |
| Configuration | Common Anode / Common Cathode |
| Operating Type | Numeric LED Display |
Key Features of HOUKEM-4031-BSR
High-Brightness Super Red Display
The super red LED chips provide excellent visibility and readability in indoor industrial environments. The emission wavelength of 620–625nm ensures clear numeric indication for equipment operators and end users.
Low Power Consumption
Designed for energy-efficient electronic products, this 3 digit 7 segment display delivers stable performance while maintaining low current consumption.
Flexible Circuit Configuration
Available in:
- Common Anode (CA)
- Common Cathode (CC)
allowing compatibility with different driver ICs and controller systems.
Industrial-Grade Reliability
Suitable for continuous operation in:
- Measuring instruments
- Industrial controllers
- Digital counters
- Temperature controllers
- Power equipment
- Testing devices
- Electronic panels
Mechanical Dimensions & Circuit Options
The HOUKEM-4031-BSR is manufactured with a compact footprint of 30.1 × 16 × 7 mm, helping engineers reduce PCB space requirements while maintaining excellent display visibility.
If the standard PCB layout does not meet your project requirements, HOUKEM can provide alternative pin configurations and custom solutions based on your design specifications.
Typical Applications
Industrial Control Equipment
Used in automation systems, industrial controllers, and process monitoring devices.
Digital Measuring Instruments
Ideal for voltmeters, ammeters, weighing systems, and testing equipment requiring reliable numeric indication.
Counters and Timers
Widely integrated into digital counters, production line equipment, and timing devices.
Consumer Electronics
Suitable for home appliances, smart devices, and embedded display modules.
Power & Energy Systems
Frequently used in power supplies, battery management systems, charging equipment, and monitoring instruments.
Custom Manufacturing Services
As a professional LED display manufacturer, HOUKEM offers a complete range of customization options.
Available Digit Sizes
- 0.25 inch
- 0.3 inch
- 0.4 inch
- 0.56 inch
- 0.8 inch
- 1.0 inch
- Up to 16 inch
Available Digit Quantities
- 1 Digit
- 2 Digit
- 3 Digit
- 4 Digit
- 5 Digit
- 6 Digit
Available Display Types
- 7 Segment LED Display
- 14 Segment Display
- 16 Segment Display
- Dot Matrix Display
Available LED Colors
- Red
- Super Red
- Green
- Pure Green
- Blue
- Yellow
- Amber
- White
- Bi-Color
Available Surface Colors
- Black
- Gray
- Red
Lens Options
- White Diffused
- Clear
- Matching Emitting Color
Quality Assurance
Manufacturing Experience
HOUKEM has more than 20 years of experience in LED display manufacturing and serves customers worldwide in industrial electronics, instrumentation, and embedded system markets.
Product Warranty
All LED display products are backed by a 3-year warranty for long-term reliability and customer confidence.
Quality Control
Every3 digit 7 segment display undergoes strict production and inspection procedures to ensure consistent optical performance and electrical stability.
Production Lead Time
| Order Quantity | Lead Time |
|---|---|
| 1K – 10K pcs | 3–7 Days |
| 10.1K – 50K pcs | 7–15 Days |
For larger OEM projects, please contact our sales team for production scheduling.
Packaging & Shipping
Safe Export Packaging
- Small Carton: 40 × 27 × 40 cm
- Export Carton: 50 × 43 × 43 cm
All products are packed with protective materials to reduce transportation risks during international shipping.
Shipping Methods
Available worldwide via:
- DHL
- UPS
- FedEx
- TNT
- Air Freight
- Sea Freight
Why Choose HOUKEM
Direct LED Display Manufacturer
Work directly with the factory for competitive pricing and stable supply.
OEM & ODM Support
Custom dimensions, pin layouts, colors, brightness levels, and packaging options are available.
Fast Sample Service
Engineering samples can be provided for product evaluation and design verification.
Global B2B Supply Experience
Trusted by manufacturers, distributors, and industrial equipment companies in Europe, North America, Asia, and other international markets.
Frequently Asked Questions
What is the difference between common anode and common cathode versions?
The display is available in both configurations. Customers can select the version that matches their driver IC and PCB design requirements.
Can you customize the pin layout or mechanical dimensions?
Yes. HOUKEM provides OEM customization services for pin configuration, dimensions, brightness, colors, and display structures.
Is this 3 digit 7 segment display suitable for industrial equipment?
Yes. The HOUKEM-4031-BSR is widely used in industrial controllers, measuring instruments, counters, and monitoring systems requiring reliable numeric displays.
What minimum order quantity do you support?
MOQ depends on the product specification and customization requirements. Standard models generally support flexible order quantities for project development and mass production.
Can I request samples before placing a bulk order?
Yes. Samples are available for testing and qualification before mass production orders are confirmed.
Request a Quote
Looking for a reliable 3 digit 7 segment display manufacturer for your next project?
HOUKEM provides:
- Factory-direct pricing
- OEM & ODM services
- Fast sampling
- Stable production capacity
- Global shipping support
Contact our engineering and sales team today to receive datasheets, samples, pricing, and customization solutions for your LED display project.
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.
All of colors are available:
Light off:
lay 3 digit super
