Triple Digit 0.28inch White 7-Segment LED Display
Product Overview
Introducing the Triple Digit 0.28inch White 7-Segment LED Display—a compact, high-reliability numeric display engineered for versatility across audio equipment, home appliances, and industrial indicators. With its 0.28inch digit size, 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.Compliant with RoHS/REACH standards and built to industrial specifications, it ensures stable performance in extreme environments 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.
Product Image
Key Features
1. Compact & Versatile Design
0.28inch Digit Size: Perfect for small electronics and space-limited panels, 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, 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.
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.
3. Superior Visibility & Efficiency
Bright White Illumination: High luminous intensity ensures clear readability in bright ambient light 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 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.
Product Image
Product Parameters
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 seconds) |
Th |
260 |
ºC
|
Code:Yellow Green- J
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
1.8 |
|
2.4 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
30 |
|
40 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
569 |
|
574 |
nm |
Code:Amber/Yellow -Y
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
1.8 |
|
2.5 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
60 |
|
80 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
585 |
|
595 |
nm
|
Code:Orange -F
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
1.8 |
|
2.4 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
60 |
|
80 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
600 |
|
605 |
nm |
Code:Super Bright Red -R
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
1.8 |
|
2.2 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
50 |
|
60 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
630 |
|
635 |
nm |
Code:Ultra Bright Red -UR
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
1.8 |
|
2.2 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
80 |
|
100 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
625 |
|
635 |
nm |
Code:Pure Green -G
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
2.6 |
|
3.2 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
120 |
|
180 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
515 |
|
525 |
nm |
Code:Ultra Bright Blue -BH
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
2.8 |
|
3.2 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
120 |
|
140 |
mcd |
| Spectrum With Of Half Value |
△λ |
If=10mA |
|
20 |
|
nm |
| Wavelength |
Dλ |
If=10mA |
460 |
|
465 |
nm |
Code:Ultra Bright White -WH
| Parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Forward Voltage |
Vf |
If=10mA |
2.8 |
|
3.2 |
V |
| Reverse Voltage |
Vr |
Ir=10uA |
5 |
|
|
V |
| Luminous Intensty |
Iv |
If=10mA |
120 |
|
140 |
mcd |
| LED color Temperature |
K |
If=10mA |
5500 |
20 |
6800 |
K |
|
Chromaticity Coordinates
|
X/Y |
If=10mA |
0.29,0.32 |
|
0.30,0.33 |
nm |
Shenzhen Guangzhibao Technology Co., Ltd. (Brand: Light-Bo) stablished in 2006 , A company that integrates R & D, manufacturing and sales of optoelectronics LED Displays. ISO 9001 2015 Quality Management Systems certified company. With more than 15 years OEM and ODM experience .
Light Bo has been committed to provide high quality and low cost customized solutions to help customers reduce cost and enhance competitiveness.
Products Applications
7 Segment LED Display, Customized LED Display, Numeric LED Display, Dot matrix LED Display, widely used for home appliances,tempearture indicators, humidity indicators, refrigerator controller,thernostats indicator,heating and cooling control and so on.
Certifications
Office and Factory Overview
Company Exhibitions
Shipping Services
FAQ
FAQ(Frequently Asked Questions)
Q1 Are you trading company or manufacturer?
A: We are original manufacturer with more than 20 years experience in optoelectronic LED displays .
Q2 What is your main products?
A: Our main products include 7 Segment LED display, SMD LED Display,Dot matrix LED Display, Arrow LED display, Custom Design LED Display ,LED light bar,Through hole led, SMD LEDs,LED Backlights, and so on .
Q3 What is your MOQ?
A: Our MOQ is 1000 pcs , We can also accept sample orders and small orders with quantity less than our MOQ .
Q4 Before placing order, Can I get some samples for test?
A: Yes. We can provide 5-10 free samples for your testing, but the freight cost will be borne by the customer.
Q5 How long is your delivery time?
A: Delivery time:About 10-20 days; According to order quantity and raw materials. If you have urgent order,and we have raw materials in stock,we can adjust our production plan to make it ready within 7-10 days .
Q6 What is your terms of payment?
A: We accept bank transfer,T/T,Western Union and Paypal with small amount. Detailes of payment methods can be negotiatble.
Q7 Can you quote me FOB prices?
A: Yes. We can quote you prices based on incoterms EXW, FOB, CIF,DDP.
Q8 How can I get your catalogue and price list?
A: Yes . Please let us know your email address or contact us from website directly for our catalogue and price list .
Q9 Can I negotiate the prices?
A: Yes, we may consider discounts for bulk orders.
Q10 How much will the shipping charges be?
A: It depends on the size of your shipment and the method of shipping.We will offer the charge to you as you requested.
Q11 Can you do custom design products?
A: Yes , OEM&ODM service are available .We can customize the sizes,led color and functional icons according to your requirements.
Q12 If I send my design , can you make it for myself only ,and will not show it to any one else?
A: Yes , we will not show it or sell to others without your authorization.
Q13 What will be the samples lead time for customized products?
A: Samples lead time will be about 20-25 working days after receiving mold cost and mold drawing approval from customers .
Q14 What is the shipping methods?
A:We usually ship the goods by DHL, FEDEX,UPS,EMS,BY AIR,BY SEA etc, also you can choose the other way that best for you.
Q15 How do you ensure the quality of your products?
A: we are ISO 9001 QMS ceritified manufacturers with more than 20 years experience ,We conduct twice 100% percent test for all of our products before shipment.
