Super Bright Red 20mm (0.8-Inch) 4-Digit 7-Segment Common Anode LED Display for Instrument Panels

Super Bright Red 20mm (0.8-Inch) 4-Digit 7-Segment Common Anode LED Display for Instrument Panels

Product Overview
Introducing the Super Bright Red 20mm (0.8-Inch) 4-Digit 7-Segment Common Anode LED Display—a high-visibility, multi-digit solution engineered for instrument panels, home appliances, and precision indicators. Designed to prioritize large-scale readability, energy efficiency, and reliable performance, this 4-digit display excels at showing complex metrics: industrial instrument values (e.g., “2200” for voltage), home appliance timers (e.g., “0600” for 60 minutes), or temperature/humidity data (e.g., “30.5°C”).
Its 20mm (0.8-inch) character height ensures exceptional readability from 1–3 meters (typical for instrument panel viewing in factories or home kitchens), while the 71.6×25.8×8.5mm profile fits into standard large-format control panels—no bulky redesigns required. The white segments on a black surface create sharp contrast with super bright red light (50-65mcd), cutting through ambient glare (e.g., factory overhead lights, kitchen sunlight) without eye strain.
With common anode polarity, low power consumption (5-10mA/LED), and RoHS compliance, this display balances durability, eco-friendliness, and functionality—ideal for 24/7 operation in instrument panels and high-use home appliances.

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Key Features (Instrument Panel-Optimized)
1. Large-Digit Visibility for Clear Readouts
20mm (0.8-Inch) Character Height: Among the larger 4-digit displays, it’s visible from across rooms or factory floors—critical for technicians monitoring instrument panels from a distance (e.g., checking “3800V” power readings without leaning in).
Super Bright Red Illumination (50-65mcd): Red light is highly distinguishable in industrial or home environments, avoiding confusion with background lights. It stands out for critical values (e.g., “HIGH 150” process alerts) while remaining gentle on eyes during prolonged viewing.
White Segments on Black Surface: High contrast eliminates “washout” and ensures every digit (0-9) and decimal point (e.g., “25.5°C”) is crisp—no misreading “8” as “0” or “3” as “5” in fast-paced industrial settings.
2. Energy Efficiency & Stable Performance
Low Power Consumption (5-10mA/LED): Extremely low current draw minimizes energy use for 24/7-run instruments (e.g., factory power monitors) and extends battery life for portable indicators (e.g., handheld temperature meters).
Optimized Forward Voltage (1.8-2.2V/LED): Compatible with standard 5V/12V power supplies used in instrument panels and home appliances—no need for custom voltage converters, simplifying circuit design.
Stable Operation in Variable Environments: Withstands temperature fluctuations (-10°C to 60°C, typical for factories, kitchens, or outdoor-covered panels) and minor vibrations (e.g., factory machinery, appliance fan movement). Maintains consistent brightness, no flickering during value updates.
3. Easy Integration & Durability
Common Anode Polarity: Works with standard driver ICs (e.g., MAX7219, TM1638, HT1621) widely used in instrument panels—simplifies circuit design for manufacturers and supports seamless integration with existing firmware (e.g., sensor data processing, error code generation).
Easy-to-Assemble Design: Compatible with PCB direct-mounting and automated production lines—speeds up manufacturing for high-volume instruments (e.g., 1000+ power monitors) and ensures consistent alignment in control panels.
Long Lifespan (50,000+ Hours): High-quality red LED chips match the 8–10 year service life of most industrial instruments and home appliances—eliminates downtime from frequent display replacements, reducing maintenance costs.
4. Versatility & Compliance
Multi-Color Options: Beyond super bright red, available in blue (modern aesthetics), yellow green (eco-aligned designs), pure green, amber, orange, and pure white—flexible for functional cues (e.g., green for “normal” status, red for “alerts”) or brand-specific instrument designs.
RoHS Compliant: Free from lead, mercury, and harmful substances—safe for use in consumer home appliances (e.g., large ovens) and export to global markets (EU, North America, Asia), meeting industrial safety standards.

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Technical Specifications