Ultra Bright White 12mm (0.47-Inch) 2-Digit 7-Segment Common Cathode LED Display for Water Heater Temperature Control
Price:
Negotiate
MOQ:
1000
Delivery Time:
10-15 days
Brand:
LIGHT-BO
Product Description
Ultra Bright White 12mm 2-Digit 7-Segment LED Display
Engineered specifically for water heater temperature control systems, this common cathode LED display delivers exceptional clarity, heat resistance, and space efficiency for home appliances and industrial applications.

Key Features
Superior Visibility for Temperature Reading
- Ultra bright white illumination (120-140mcd) cuts through steam and glare
- Yellow segments on black surface provide high contrast for clear digit recognition
- Wide viewing angle ensures readability from various positions
Heat Resistance & Stable Performance
- Fast heat-dissipation design prevents brightness dimming
- Stable operation in humid environments (-10°C to 60°C)
- Long lifespan exceeding 50,000 hours
Energy Efficiency & Easy Integration
- Low power consumption (5-10mA per LED)
- Optimized forward voltage (2.8-3.2V) compatible with standard power supplies
- Common cathode polarity works with standard driver ICs
Technical Specifications
| Category | Parameter | Specification |
|---|---|---|
| Basic Design | Display Type | 2-Digit 7-Segment LED Display |
| Basic Design | Polarity | Common Cathode |
| Basic Design | Digit Height | 12mm (0.47 inch) |
| Basic Design | Dimensions | 20.9 × 13.9 × 5.9mm |
| Optical Performance | Emitting Color | Ultra Bright White |
| Optical Performance | Luminous Intensity | 120-140 mcd |
| Optical Performance | Viewing Angle | ≥120° horizontal, ≥110° vertical |
| Electrical Parameters | Forward Voltage | 2.8-3.2V per LED |
| Electrical Parameters | Forward Current | 5-10mA per LED |
| Quality & Compliance | Compliance | RoHS Compliant |
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 to +85 | °C |
| Storage Temperature Range | Tstg | -40 to +85 | °C |
| Solder Temperature (≤3 seconds) | Th | 260 | °C |
Applications
• Water Heater Temperature Control (electric/gas, tankless, under-sink)
• Home Appliances (ovens, coffee makers, electric kettles)
• Temperature Controllers (thermostats, greenhouse controllers, aquarium heaters)
• Instrument Panels (portable meters, battery chargers, fitness equipment)
Order & Logistics Information
Minimum Order Quantity: 300 pieces (standard), 500 pieces (customized)
Packing: Anti-static EPE + carton with individual wrapping
Delivery Time: 5-7 days (standard), 10-12 days (custom)
Transport: Express, Air, or Ocean shipping available
Manufacturer Information
SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO)
Established in 2006 with ISO 9001:2015 certification
Over 15 years of OEM and ODM experience in optoelectronic LED displays









Frequently Asked Questions
Q1: Are you a 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, and LED Backlights.
Q3: What is your MOQ?
A: Our MOQ is 1000 pieces, but we can accept sample orders and small orders with quantity less than our MOQ.
Q4: Can I get samples for testing?
A: Yes. We can provide 5-10 free samples for 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. For urgent orders with available raw 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 can quote prices based on incoterms EXW, FOB, CIF, DDP.
Q8: How can I get your catalogue and price list?
A: Please provide your email address or contact us directly from our website.
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 shipment size and shipping method. We will provide charges upon request.
Q11: Can you do custom design products?
A: Yes, OEM & ODM services are available. We can customize sizes, LED colors and functional icons.
Q12: Will you keep my custom design confidential?
A: Yes, we will not show or sell your design to others without authorization.
Q13: What is the lead time for customized products?
A: Samples lead time is about 20-25 working days after receiving mold cost and 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 experience, we conduct twice 100% testing before shipment.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Guangzhibao Technology Co., Ltd.
Location
ROOM 308,3/F,BUILDING 1,BAIWANG RESEARCH AND DEVELOPMENT BUILDING,NO. 5298 ,SHAHE WEST ROAD,XILI STREET,NANSHAN DISTRICT,SHENZHEN
Contact Person
JackWu