Compact Triple Digit 0.4-inch 7 Segment LED Display
Common cathode super bright red LED display specifically designed
for coffee maker machines and industrial applications.
Product Overview
This compact triple-digit 0.4-inch 7-segment LED display features a
common cathode design that emits super bright red light, making it
ideal for coffee maker machines. The display includes a yellow
epoxy black surface for optimal visibility and sleek appearance.
Built to industrial standards with excellent performance, it
reliably displays various information in coffee makers and other
electronic devices.
Product Images

Technical Specifications
Absolute Maximum Ratings (Ta=25°C)
| 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 | °C |
| Storage Temperature Range | Tstg | -40~+85 | °C |
| Solder Temperature (≤3 seconds) | Th | 260 | °C |
Electrical Characteristics by Color 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 Intensity | Iv | If=10mA | 30 | | 40 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 569 | | 574 | nm |
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 Intensity | Iv | If=10mA | 60 | | 80 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 585 | | 595 | nm |
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 Intensity | Iv | If=10mA | 60 | | 80 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 600 | | 605 | nm |
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 Intensity | Iv | If=10mA | 50 | | 60 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 630 | | 635 | nm |
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 Intensity | Iv | If=10mA | 80 | | 100 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 625 | | 635 | nm |
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 Intensity | Iv | If=10mA | 120 | | 180 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 515 | | 525 | nm |
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 Intensity | Iv | If=10mA | 120 | | 140 | mcd |
| Spectrum Width Of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 460 | | 465 | nm |
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 Intensity | 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 |
Manufacturer Information
SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO)
Established in 2006, we are a company that integrates R&D,
manufacturing and sales of optoelectronics LED displays. We are ISO
9001:2015 Quality Management Systems certified with more than 15
years of OEM and ODM experience.
LIGHTBO has been committed to providing high quality and low cost
customized solutions to help customers reduce costs and enhance
competitiveness.
Product Applications

7 Segment LED Display, Customized LED Display, Numeric LED Display,
Dot matrix LED Display, widely used for:
- Home appliances
- Temperature indicators
- Humidity indicators
- Refrigerator controllers
- Thermostat indicators
- Heating and cooling control systems
Certifications

Office and Factory Overview

Company Exhibitions

Shipping Services

Frequently Asked Questions
Q1: Are you a trading company or manufacturer?
A: We are original manufacturers with more than 20 years of
experience in optoelectronic LED displays.
Q2: What are 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 more.
Q3: What is your MOQ?
A: Our MOQ is 1000 pieces. We can also accept sample orders and
small orders with quantities less than our MOQ.
Q4: Before placing an order, can I get some samples for testing?
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 is about 10-20 days, depending on order quantity
and raw materials. If you have an 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 are your terms of payment?
A: We accept bank transfer, T/T, Western Union and PayPal for small
amounts. Details of payment methods are negotiable.
Q7: Can you quote me FOB prices?
A: Yes. We can quote prices based on incoterms EXW, FOB, CIF, DDP.
Q8: How can I get your catalogue and price list?
A: Please let us know your email address or contact us from our
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 provide the charge to you as requested.
Q11: Can you do custom design products?
A: Yes, OEM & ODM services are available. We can customize sizes,
LED colors 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 anyone 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 are the shipping methods?
A: We usually ship goods by DHL, FEDEX, UPS, EMS, BY AIR, BY SEA,
etc. You can also choose other methods that work best for you.
Q15: How do you ensure the quality of your products?
A: We are ISO 9001 QMS certified manufacturers with more than 20
years of experience. We conduct twice 100% testing for all our
products before shipment.