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Shenzhen Guangzhibao Technology Co., Ltd.

  • China,Shenzhen ,Guangdong
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China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode
China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode

  1. China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode
  2. China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode
  3. China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode
  4. China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode
  5. China Triple Digit 0.28inch White 7 Segment LED Display Common Cathode

Triple Digit 0.28inch White 7 Segment LED Display Common Cathode

  1. MOQ: 1000
  2. Price: Negotiate
  3. Get Latest Price
Payment Terms T/T,Western Union
Supply Ability 50000 PCS/Day
Delivery Time 15-20 days
Packaging Details EPE+cartons
Emitting color red, blue, green, white, amber, orange and yellow
Shipping By DHL, TNT, UPS, EMS, etc.
Application Coffee Machine
Outer dimensions 22.5 x 10 x 6.1mm
Character height 0.28inch
Face Colour Yellow Segment Black Face
Brand Name LIGHT-BO
Model Number LB30281DWH3A-D
Certification ISO9001&RoHS
Place of Origin Shenzhen, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,Western Union Supply Ability 50000 PCS/Day
Delivery Time 15-20 days Packaging Details EPE+cartons
Emitting color red, blue, green, white, amber, orange and yellow Shipping By DHL, TNT, UPS, EMS, etc.
Application Coffee Machine Outer dimensions 22.5 x 10 x 6.1mm
Character height 0.28inch Face Colour Yellow Segment Black Face
Brand Name LIGHT-BO Model Number LB30281DWH3A-D
Certification ISO9001&RoHS Place of Origin Shenzhen, China
High Light Coffee Machine 7 Segment LED Display0.28inch 7 Segment LED DisplayTriple Digit 7 Segment LED Display

DTriple Digit 0.28inch White 7-Segment LED Display (Common Cathode)

 

Product Overview
Introducing the Triple Digit 0.28inch White 7-Segment LED Display (Common Cathode)—a compact, high-reliability numeric display engineered for versatility across audio equipment, home appliances, and industrial indicators. With its 0.28inch digit size (ideal for space-constrained devices), bright white illumination, and robust common cathode configuration, this display delivers consistent readability even in bright ambient light—while maintaining low power consumption and an ultra-wide operating temperature range (-45°C to 80°C).
Compliant with RoHS/REACH standards and built to industrial specifications, it ensures stable performance in extreme environments (from cold storage to warm appliance interiors) and supports long-term use in daily-operated devices. Whether for temperature readouts, process indicators, or audio equipment statuses, this 3-digit display balances functionality, durability, and energy efficiency.

 

Main Image

Key Features
1. Compact & Versatile Design
0.28inch Digit Size:
Perfect for small electronics and space-limited panels (e.g., compact thermometers, mini audio amplifiers), without sacrificing readability.
Industrial Standard Form Factor: Aligns with universal PCB layouts, simplifying integration into existing product designs and automated assembly lines.
Common Cathode Configuration: Works seamlessly with standard driver ICs and microcontrollers (e.g., Arduino, PIC), reducing circuit design complexity for engineers.
2. Extreme Environment Reliability
Ultra-Wide Operating Temperature:
Functions flawlessly from -45°C to 80°C, making it suitable for harsh conditions (e.g., outdoor temperature indicators, industrial freezers, warm appliance interiors).
Stable Performance: Resists voltage fluctuations and environmental stress, ensuring consistent light output and segment clarity over time.
Long Lifetime: High-quality LED chips and durable construction minimize replacement needs, even in 24/7 operation (e.g., process control monitors).
3. Superior Visibility & Efficiency
Bright White Illumination:
High luminous intensity ensures clear readability in bright ambient light (e.g., living rooms, factory floors) without additional backlighting.
Even Light Distribution: Luminance is uniformly spread across each segment, eliminating dim spots or “hot zones” for crisp, professional numeric output.
Low Power & Low Current: Optimized electrical design reduces energy use, extending battery life for portable devices (e.g., handheld temperature meters) and lowering operational costs for fixed equipment.
4. Global Compliance & Safety
RoHS/REACH Compliant:
Meets international environmental and safety standards, eliminating regulatory barriers for sales in Europe, North America, Asia, and beyond.
Non-Toxic Materials: Constructed with eco-friendly components, ensuring safety for both users and the environment.

 

Detail Image

 

Technical Specifications

Category Parameter Specification
Basic Design Display Type Triple Digit (3-Digit) 7-Segment LED Display
  Polarity Common Cathode
  Digit Size 0.28inch
  Emitting Color Bright White
Environmental Resistance Operating Temperature -45°C to 80°C (ultra-wide range for extreme conditions)
Optical Performance Luminous Intensity High (optimized for bright ambient light visibility)
  Light Distribution Evenly distributed across each segment
Electrical Efficiency Power Consumption Low
  Current Draw Extremely low
  Forward Voltage Optimized for high luminous intensity output (typical 2.8-3.2V/LED)
Quality & Compliance Core Advantages Stable performance, long lifetime, industrial standard size
  Compliance RoHS Compliant, REACH Compliant

 

Application Image

 

Applications
This triple-digit 7-segment LED display is widely suitable for:
Home Electronic Appliances:
Compact thermometers, humidifiers, mini ovens, and coffee makers (for temperature, time, or humidity readouts).
Audio Equipments & Instrument Panels: Portable amplifiers, media players, and mixing boards (for volume levels, track numbers, or input status).
Industrial & Process Indicators: Temperature controllers, pressure gauges, and factory monitors (for real-time data in extreme environments).
Numeric Displays: Battery level monitors, countdown timers, and handheld test devices (for clear, energy-efficient data visualization).
Outdoor/Harsh Environment Devices: Outdoor temperature sensors, cold storage indicators, and automotive auxiliary displays (for reliable operation in -45°C to 80°C).

 

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

 

Why Choose This 3-Digit LED Display?
Extreme Temperature Tolerance:
Operates from -45°C to 80°C—ideal for devices used in cold, hot, or variable environments where standard displays fail.
Space-Saving Design: 0.28inch digits fit into small products without compromising readability, expanding design possibilities for compact electronics.
Energy Efficiency: Low power and current draw reduce battery replacement frequency for portable devices and lower energy costs for fixed equipment.
Global Market Readiness: RoHS/REACH compliance ensures seamless distribution to international markets, avoiding regulatory delays.
Long-Term Reliability: Industrial-grade construction and stable performance minimize maintenance needs, enhancing end-user trust in your product.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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Get in touch with us

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  • Shenzhen Guangzhibao Technology Co., Ltd.
  • ROOM 308,3/F,BUILDING 1,BAIWANG RESEARCH AND DEVELOPMENT BUILDING,NO. 5298 ,SHAHE WEST ROAD,XILI STREET,NANSHAN DISTRICT,SHENZHEN
  • https://www.segment-leddisplay.com/

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