Custom Design Triple Digit 7 Segment LED Display with Minus Sign Common Anode for Refrigerator

Custom Design Triple Digit 7-Segment LED Display with Minus Sign – Common Anode for Refrigerators

Product Overview
Light-Bo custom 3-digit (3½ digit) 7-segment LED display with dedicated minus sign is specially optimized for refrigerator & freezer controllers, temperature indicators, and home appliances that require clear sub-zero temperature readouts. Supporting a range from -199 to 999, it delivers high contrast, stable performance, low power consumption, and long lifetime—perfect for continuous operation in household refrigeration environments.

Key Features (Refrigerator-Optimized)
1.3½ Digit with Minus Sign for Sub-Zero Temperatures
Clear display of negative values for freezer compartments.
Full range: -199 ~ 999, fully covering fridge and freezer applications.
Protective surface film resists moisture, oil splatters, scratches, and frequent cleaning.
2.Multicolor Indication for Intuitive Operation
Ultra bright white: Normal fridge temperature display.
Red: Freezer temperature or warning status 
Pure green: Secondary parameters
3.High Visibility & Low Power Consumption
High luminous intensity for clear reading day & night, even under kitchen lighting.
Ultra-low current: 5–10mA per LED, ideal for energy-saving & ENERGY STAR appliances.
White segments on black surface for strong contrast and no washout effect.
4.Stable & Durable in Refrigeration Environments
Wide operating temperature: -35°C ~ +85°C.
Resists vibration from compressor cycles and door slamming.
Long lifetime: 50,000+ hours, matching 10–15 year appliance life.
Common Anode design compatible with standard IC drivers.
Through-hole pins for easy PCB mounting and automated assembly.

Product Image

Technical Specifications

Applications
Refrigerator & freezer temperature controllers
Cold storage, wine coolers, mini fridges
HVAC & heat pump control panels
Laboratory low-temperature monitors
Home appliance digital temperature indicators
Industrial small control panels with negative value display

Why Choose This Display?
Dedicated minus sign eliminates temperature ambiguity and prevents food spoilage.
Standard size fits most refrigerator control panels without redesign.
Color-coded display improves user experience and recognition speed.
Ultra-low power consumption reduces total energy consumption of appliances.
Long lifetime reduces after-sales maintenance and replacement cost.
Full RoHS & REACH compliance supports global export.

Absolute Maximum Ratings(Ta=25ºC)

Code:Yellow Green- J

Code:Amber/Yellow -Y

Code:Orange -F

Code:Super Bright Red -R

Code:Ultra Bright Red -UR

Code:Pure Green -G

Code:Ultra Bright Blue -BH

​Code:Ultra Bright White -WH

   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.

    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.

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.