Ultra Bright Red Surface Common Cathode LED Display
7 Segment 3 Digit 14.2mm for Temperature Controller
Product Overview
Ultra bright red surface common cathode LED display with 3-digit
7-segment configuration, designed specifically for temperature
controllers and industrial applications.
Technical Specifications
Character Height: 0.56" (14.2mm)
Outer Dimensions: 37.6 × 19 × 8 mm
Polarity: Common Cathode
Forward Voltage: 2.8-3.2V per LED
Forward Current: 5-10mA per LED
Construction: Yellow epoxy, grey surface
Emitting Colors Available: Red, Blue, Green, White, Amber, Orange, Yellow
Key Features
- High forward voltage for superior luminous intensity output
- Low power consumption and extremely low current operation
- Evenly distributed luminous intensity across all segments
- Industrial standard size compatibility
- Excellent reliability in bright ambient light conditions
- Stable performance and long operational lifetime
- RoHS/REACH compliant
Applications
- Audio equipment and instrument panels
- Home electronic appliances
- Numeric displays and multimedia products
- Digital indicators for temperature, humidity, and process
monitoring
- Refrigerator controllers and thermostat indicators
- Heating and cooling control systems
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 to +85 | ºC |
| Storage Temperature Range | Tstg | -40 to +85 | ºC |
| Solder Temperature (≤3 seconds) | Th | 260 | ºC |
Electrical & Optical Characteristics - Pure Green (Code: 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 |
| Wavelength | Dλ | If=10mA | 515 | - | 525 | nm |
Additional color variants available including Yellow Green,
Amber/Yellow, Orange, Super Bright Red, Ultra Bright Red, Ultra
Bright Blue, and Ultra Bright White with detailed specifications
available upon request.
Product Applications

Manufacturer Information
SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO) -
Established in 2006, specializing in R&D, manufacturing and
sales of optoelectronic LED displays. ISO 9001:2015 Quality
Management Systems certified with over 15 years of OEM and ODM
experience.
Certifications

Office and Factory Overview




Company Exhibitions


Shipping Services


Frequently Asked Questions
Q1: Are you a trading company or manufacturer?
A: We are an original manufacturer with more than 20 years
experience in optoelectronic LED displays.
Q2: What are your main products?
A: Our main products include 7 Segment LED displays, SMD LED
Displays, Dot Matrix LED Displays, Arrow LED displays, Custom
Design LED Displays, LED light bars, Through Hole LEDs, SMD LEDs,
LED Backlights, and more.
Q3: What is your MOQ?
A: Our MOQ is 1000 pieces. We also accept sample orders and small
quantities below our MOQ.
Q4: Can I get samples for testing before placing an order?
A: Yes. We provide 5-10 free samples for testing, with freight
costs borne by the customer.
Q5: How long is your delivery time?
A: Delivery time is approximately 10-20 days, depending on order
quantity and raw materials. For urgent orders with available
materials, we can complete within 7-10 days.
Q6: What are your payment terms?
A: We accept bank transfer, T/T, Western Union, and PayPal for
small amounts. Payment methods are negotiable.
Q7: Can you provide FOB prices?
A: Yes. We quote prices based on INCOTERMS including EXW, FOB, CIF,
and DDP.
Q8: How can I get your catalog and price list?
A: Please provide your email address or contact us directly through
our website.
Q9: Can I negotiate prices?
A: Yes, we offer discounts for bulk orders.
Q10: How much are shipping charges?
A: Shipping costs depend on shipment size and method. We provide
quotes upon request.
Q11: Do you offer custom design services?
A: Yes, OEM & ODM services are available. We can customize sizes,
LED colors, and functional icons according to your requirements.
Q12: Will you keep my custom design confidential?
A: Yes, we will not share or sell your design to others without
authorization.
Q13: What is the lead time for customized product samples?
A: Sample lead time is approximately 20-25 working days after
receiving mold cost and design approval.
Q14: What shipping methods do you use?
A: We ship via DHL, FedEx, UPS, EMS, by air, or by sea. You can
choose the method that works best for you.
Q15: How do you ensure product quality?
A: As ISO 9001 certified manufacturers with over 20 years of
experience, we conduct 100% testing of all products twice before
shipment.