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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 Refrigerator

Brand Name:	LIGHT-BO
Model Number:	LB3050SIWGR1B-T14-D
MOQ:	1000
Price:	Negotiate
Payment Terms:	T/T, Western Union,
Supply Ability:	20000 PCS/Day

Detail Information

Product Description

Detail Information

Place of Origin:

Shenzhen, China

Certification:

ISO9001&RoHS

Digit Height:

12.7mm

Specification:

38.5*19MM

Pixel Pitch:

0.50inch

Transport Package:

EPE+Carton

Trademark:

LIGHT-BO

HS Code:

85312000

Packaging Details:

EPE+CARTON

Supply Ability:

20000 PCS/Day

Highlight:

custom 7 segment LED display

triple digit LED display common anode

refrigerator LED display with minus sign

Product Description

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

Introducing the Custom Design 3-Digit (3½ Digit) 7-Segment LED Display with Minus Sign--a fridge-optimized numeric solution engineered for refrigerator controllers, temperature indicators, and home appliances requiring negative value readouts.

Key Features (Refrigerator-Optimized)

1. 3½ Digit + Minus Sign for Sub-Zero Temps

Negative Value Support: Dedicated minus sign enables clear display of freezer temperatures (e.g., "-18°C", "-20°C")--critical for fridge-freezer combos where distinguishing positive/negative values prevents food spoilage.
3½ Digit Range: Covers -199 to 999, fitting all typical fridge/freezer temp needs (fridge: 0-10°C, freezer: -10--25°C) and leaving room for humidity or timer values.
Protective Film: Shields segments from moisture, food splatters, and frequent wiping, maintaining clarity and preventing scratches over time.

2. Multicolor Functionality for Fridge-Specific Cues

Ultra Bright White: Ideal for standard fridge temps (e.g., "5°C")--neutral, eye-friendly for daily checks.
Red: Signals freezer temps (e.g., "-18°C") or alerts (e.g., "-25°C" too cold, "OPEN" door-left-open)--grabs attention for critical info.
Pure Green: Use for secondary metrics (e.g., "50%" fridge humidity, "DEF" defrost mode)--clearly distinguishes from primary temp values.

3. Superior Visibility & Energy Efficiency

High Luminous Intensity: Bright enough to cut through kitchen glare but not harsh in dim kitchens--ensures temps are readable day/night.
Low Power Consumption: Extremely low current draw (5-10mA/LED) minimizes fridge energy use--critical for ENERGY STAR-certified models.
White Segments on Black Surface: High contrast eliminates "washout" and makes digits/minus signs sharp.

4. Reliable Performance & Easy Integration

Stable Operation in Fridge Environments: Withstands temperature fluctuations (-10°C to 50°C) and minor vibrations (door slamming, compressor cycles).
Long Lifespan (50,000+ Hours): High-quality LEDs match the 10-15 year service life of most fridges.
Common Anode Polarity: Works with standard fridge driver ICs (e.g., TM1637, HT1621)--simplifies circuit design.
Easy Assembly: Designed for PCB mounting, compatible with automated production lines.

Technical Specifications

Category	Parameter	Specification (Refrigerator-Optimized)
Basic Design	Display Type	3-Digit (3½ Digit) 7-Segment LED Display (with minus sign, supports -199 to 999)
	Polarity	Common Anode
	Digit Height	12.7mm (0.50 inch)
	Outer Dimensions (L×W×H)	38.2 × 19 × 8mm
	Segment/Surface Finish	White segments on Black Surface + protective film
Optical Performance	Core Emitting Colors	Ultra bright white, pure green, red
	Optional Colors	Blue, amber, yellow, orange, multicolor combinations
	Luminous Intensity	High (80-100mcd for white/red; 60-80mcd for green)
Electrical Parameters	Forward Voltage (VF)	2.8-3.2V per LED (white/green/blue); 1.8-2.2V (red/amber/orange)
Electrical Parameters	Forward Current	5-10mA per LED
Quality & Compliance	Core Advantages	Minus sign support, stable performance, IC compatible, easy assembly
	Certificates	RoHS Compliant, REACH Compliant

Applications

While optimized for refrigerator controllers, this display also excels in:

Temperature Indicators: Freezer monitors (e.g., "-20°C"), cold storage sensors (e.g., "-5°C"), or heat pump controllers (e.g., "-3°C" defrost).
Home Appliances: Smart thermostats (e.g., "-2°C" outdoor temp), wine coolers (e.g., "12°C"), or mini fridges (e.g., "8°C").
Instrument Panels: HVAC control panels (e.g., "22°C" room temp, "-10°C" outdoor), or laboratory cold chamber monitors (e.g., "-80°C" ultra-low temp).

Why Choose This Custom Display for Refrigerators?

Minus Sign for Freezers: Eliminates temp ambiguity--critical for preventing freezer food spoilage or fridge overcooling.
Fridge-Sized Fit: Slim dimensions fit standard fridge control panels--no need to resize existing designs.
Intuitive Multicolor Cues: White for fridge, red for freezer--users instantly recognize temps without reading labels.
Energy & Cost Savings: Low power use cuts fridge energy bills; long lifespan reduces replacement costs.
Global Compliance: RoHS/REACH certification ensures export to international markets, meeting fridge safety standards.

Package dimensions	38.5×19×8 (mm)
Character Height	12.7mm (0.5inch)
Face Colour	Black
Polarity	Common Cathode
Emitting Colour	Ultra bright white/
Operating Temperature	-35ºC ~ +85ºC
Forward voltage	2.8-3.2V/led
Pin type	Pin through hole
Recommanded forward current	5-10mA

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products details

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 Refrigerator

custom 7 segment LED display

triple digit LED display common anode

refrigerator LED display with minus sign