0.4-Inch Triple-Digit 7-Segment LED Display – Ultra Bright White for Versatile Numeric Readouts
Product Overview
This triple-digit 7-segment LED display is engineered for high-visibility, energy-efficient numeric communication across consumer, commercial, and industrial devices—featuring a 0.4-inch size, ultra bright white emission, and industrial standard sizing. Designed to balance performance and practicality, it leverages optimized forward voltage to deliver exceptional luminous intensity while minimizing power consumption and current draw—ideal for both battery-powered tools and 24/7 operated equipment. With evenly distributed luminosity across all segments, reliable performance in bright ambient light, and a long lifespan, it meets RoHS/REACH compliance and adapts seamlessly to diverse use cases: from multimedia products to precision indicators (temperature, humidity, process metrics). Its compact, industry-standard form factor ensures easy integration into existing designs, making it a versatile solution for any application requiring crisp, consistent triple-digit readouts.
Absolute Maximum Ratings(Ta=25ºC)
| 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 | ºC |
| Storage Temperature Range | Tstg | -40~+85 | ºC |
| Solder Temperature(3 sec) | Th | 260 | ºC |
Code:R-Ultra bright white
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage(Per dice) | Vf | If=10mA | 2.8 | | 3.2 | V |
| Reverse Voltage(Per dice) | Vr | Ir=10uA | 5 | | | V |
| Luminous Intensty(Per dice) | Iv | If=10mA | 100 | | 140 | mcd |
| Spectrum With Of Half Value | λ | If=10mA | | 20 | | nm |
| Color Temperature | | If=10mA | 6000 | | 6500 | K |
| LED working lifetime 100,000hrs Absolute Maximum Rating at Ta=25ºC |
Main Image
Detail Image
| Specification | Details |
| Display Type | Triple-digit (3-digit) 7-segment LED numeric display |
| Character Size | 0.4 inches – balanced for readability (1-2m viewing) and compactness |
| Emitting Color | Ultra bright white (neutral, high-contrast for universal visibility) |
| Core Electrical Traits | Optimized forward voltage (for high luminous intensity), low power consumption, extremely low current |
| Luminosity | Evenly distributed across all segments (no hotspots or dim edges) |
| Form Factor | Industrial standard size (compatible with off-the-shelf PCBs/enclosures) |
| Environmental Performance | Excellent reliability in bright ambient light (no fading in sunlight/strong indoor lighting) |
| Compliance | RoHS/REACH compliant (free from restricted substances/hazardous chemicals) |
Core Product Features
1. Ultra Bright Visibility for All Environments
Ultra bright white emission + optimized forward voltage: The white hue delivers exceptional contrast against most device housings (black, gray, or white appliance panels) and cuts through bright ambient light—from sunlit retail displays to industrial factory floors. The optimized forward voltage ensures maximum luminous intensity without wasting power, making digits (0-9, plus decimal points for precision) readable at a glance. Critical for applications like process indicators or temperature monitors, where misreading a value could lead to operational errors.
Evenly distributed luminosity: Light spreads uniformly across all 3 digits and 7 segments, eliminating "dark spots" or faded edges that distort numbers (a partially dim "8" mistaken for "3" in production counts). This consistency guarantees reliable readability across the display’s entire lifespan, reducing the need for frequent replacements.
2. Energy Efficiency for Sustained Use
Low power consumption + extremely low current: Minimizes energy draw, offering dual benefits for end-users and manufacturers:
Battery-powered devices: Portable thermometers, handheld humidity meters, or wireless process sensors (extends battery life by 30-40% vs. higher-current displays, reducing replacement frequency).
24/7 operated equipment: Industrial process monitors, home appliance control panels (refrigerator thermostats), or multimedia devices (set-top boxes) – cuts long-term electricity costs and reduces heat generation (critical for enclosed electronics).
3. Industrial-Grade Reliability & Durability
Stable performance + long lifespan: Built with high-quality LED chips and robust encapsulation to resist voltage fluctuations (common in home/industrial power circuits) and mechanical vibration (in factory equipment or portable tools). Supports 50,000+ hours of continuous operation (over 5 years of 24/7 use), ensuring consistent functionality in high-use environments.
Industrial standard size: Compatible with off-the-shelf PCBs, sockets, and enclosures—no custom machining or modified hardware needed. Simplifies integration into existing designs (upgrading old process indicators or retrofitting multimedia products) and speeds up production for manufacturers, reducing R&D time and costs.
4. Regulatory Compliance & Versatility
RoHS/REACH compliant: Free from lead, mercury, cadmium (RoHS) and hazardous chemicals (REACH), meeting global regulations for consumer electronics, industrial equipment, and multimedia devices. Ensures eligibility for export to key markets like the EU, North America, and Asia, and aligns with eco-friendly product initiatives (sustainable smart home lines, energy-efficient industrial tools).
Universal application fit: The triple-digit layout is ideal for values requiring 1-3 digits, making it suitable for:
Temperature/humidity: "-20°C" to "99°C", "0-99% RH".
Process metrics: "0-999kPa" (pressure), "0-999L/min" (flow rate).
Multimedia: "001-999" (channel numbers), "00:00-99:59" (playback time).
Target Applications
Optimized for triple-digit numeric display needs across consumer, commercial, and industrial sectors:
Numeric Displays: Retail price tags , queue number indicators , or digital signage.
Multimedia Products: Set-top boxes , media players , or gaming consoles.
Temperature/Humidity Indicators: Industrial thermostats, home smart humidistats, or warehouse environmental monitors.
Process Indicators: Factory production counters , pressure gauges , flow rate monitors, or chemical dosage indicators.
Application Scenario Image
Why Choose This Triple-Digit 7-Segment Display?
This display solves the "visibility vs. efficiency" challenge for triple-digit devices:
Its ultra bright white emission ensures readability in any lighting, from dim basements to sunlit retail spaces—eliminating the need for additional backlighting.Low power consumption and long lifespan reduce operational costs for end-users and maintenance needs for industrial facilities.Industrial standard sizing and regulatory compliance simplify integration and global distribution for manufacturers, making it a cost-effective, versatile choice.For brands building numeric displays, multimedia products, or precision indicators, this 0.4-inch ultra bright white triple-digit 7-segment LED display delivers reliability, efficiency, and practical value tailored to diverse use cases.
