Ultra Bright White 12.7mm (0.5-Inch) 3-Digit (3½ Digit) 7-Segment Common Cathode LED Display for Refrigerators
Product Overview
Introducing the Ultra Bright White 3-Digit (3½ Digit) 7-Segment Common Cathode LED Display—a fridge-optimized numeric solution engineered for refrigerator controllers, temperature/humidity indicators, and home appliances. Designed to prioritize wide temperature tolerance, clear readability, and durability, this display excels at showing fridge-specific metrics: positive fridge temperatures (e.g., “5°C”), sub-zero freezer temps (e.g., “-18°C”), or humidity levels (e.g., “60% RH”).
Its 12.7mm (0.5-inch) character height ensures readability from 1–2 meters (typical kitchen distance for fridge checks), while the 38.2×19×8mm form factor fits slim fridge control panels—no bulky redesigns required. The white segments on a black surface (with film) boosts contrast with ultra bright white light, cutting through kitchen glare (e.g., overhead lights, sunlight) without eye strain.
With a wide operating temperature range (-35°C ~ +85°C), common cathode polarity, and RoHS/REACH compliance, this display thrives in fridge environments (from cold freezers to warm kitchens) and delivers reliable performance for 24/7 use.
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Key Features (Refrigerator-Optimized)
1. Wide Temperature Tolerance for Fridge Environments
Extreme Temp Range (-35°C ~ +85°C): Specifically designed to withstand fridge/freezer cold (-35°C for deep freezers) and kitchen ambient heat (+85°C for warm kitchens)—avoids segment dimming, frost damage, or performance loss that plagues standard displays in extreme temps.
Freezer-Ready Design: No condensation buildup or component failure in sub-zero conditions, ensuring consistent readability of freezer temps (e.g., “-20°C”) even after long-term use.
Protective Film: The film on the black surface shields segments from fridge moisture, food splatters, and frequent wiping—easy to clean and maintains clarity over the fridge’s 10–15 year lifespan.
2. 3½ Digit Functionality for Sub-Zero & Precision Readouts
Negative Value Support: As a 3½ digit display, it handles values from -199 to 999—critical for showing sub-zero freezer temps (e.g., “-18°C”) without extra wiring. Users instantly distinguish fridge (“5°C”) from freezer (“-18°C”) without labels.
Precision for Fine Metrics: Supports decimal points for accurate temp/humidity readings (e.g., “4.5°C” for fridge, “55.5% RH” for humidity)—ideal for high-end fridges with precise climate control.
3. Superior Visibility & Energy Efficiency
Ultra Bright White Illumination: High luminous intensity ensures temps are clear in bright kitchens (e.g., morning sunlight) or dim rooms (e.g., nighttime fridge checks)—no squinting to read “2°C” vs. “7°C”.
Low Power Consumption (5-10mA/LED): Extremely low current draw minimizes fridge energy use (critical for ENERGY STAR-certified models) and extends backup battery life (for power outages, keeping temps visible).
White Segments on Black Surface: High contrast eliminates “washout” and makes digits/minus signs sharp—avoids misreading “-8°C” as “8°C” (a costly mistake that could spoil frozen food).
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Ultra Bright White 12.7mm (0.5-Inch) 3-Digit (3½ Digit) 7-Segment Common Cathode LED Display for Refrigerators Images
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