Common cathode Super Red 2-Digits 0.39inch 7 Segment LED Display for temperature indicator

Product Overview

Introducing the Super Red 2-Digit 7-Segment Common Cathode LED Display—a temperature-focused solution engineered for temperature/humidity indicators, home appliances, and instrument panels. Designed to prioritize clear temp readouts, energy efficiency, and easy integration, this 2-digit display excels at showing concise temperature metrics: room temps (e.g., "22°C"), appliance temps (e.g., "50°C" for water heaters), or sub-zero values (e.g., "-10°C" for freezers, with implied minus sign support for temp use cases).

Its 0.39-inch (10mm) digit height ensures readability from 0.5–2 meters (typical for countertop indicators or appliance panels), while its compact form factor (specs not fully listed, but aligned with 2-digit 0.39-inch displays) fits into slim device enclosures. The super red illumination cuts through ambient glare (e.g., kitchen lights, workshop lamps) without eye strain, making it ideal for quick temp checks in daily use.

With common cathode polarity, low current operation, and RoHS compliance, this display balances durability, eco-friendliness, and performance—perfect for 24/7 operation in temperature-sensitive devices.

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Key Features (Temperature Indicator-Optimized)

1. High Visibility for Temp Readouts

Super Red Illumination: Red light is highly distinguishable in diverse environments, ensuring temp values (e.g., "30°C" high temp, "05°C" low temp) stand out at a glance. It avoids glare in dim spaces (e.g., bedroom thermostats) and resists washout in bright areas (e.g., kitchen appliance panels), critical for preventing misreads that could impact comfort or safety.

Continuous Uniform Segments: No "hot spots" or dim edges across segments—guarantees consistent readability of digits (0-9) and implied symbols (e.g., minus signs for sub-zero temps, decimal points for precision "24.5°C"). This uniformity eliminates confusion between similar digits (e.g., "6" vs. "0") in fast-paced use.

2. Energy Efficiency & Stable Performance

Low Current Operation: Extremely low current draw minimizes energy use, extending battery life for portable temperature indicators (e.g., handheld fridge thermometers) and reducing electricity costs for plugged-in devices (e.g., wall-mounted thermostats).

Stable Performance: Withstands temperature fluctuations (-10°C to 50°C, typical for indoor/outdoor temp monitoring) and minor vibrations (e.g., appliance fan movement, indicator transport)—maintains consistent brightness, no flickering during temp updates (e.g., when AC cycles on/off).

Long Lifespan: High-quality LED chips match the 5–8 year service life of most temperature indicators and home appliances, eliminating frequent display replacements and reducing maintenance hassle.

3. Easy Integration & Versatility

Common Cathode Polarity: Works with standard temperature indicator driver ICs (e.g., TM1637, HT1621)—simplifies circuit design for manufacturers and integrates seamlessly with temp-sensing firmware (e.g., real-time sampling, high/low temp alerts).

Dual Mounting Options: Easy to mount on PCBs (for automated mass production) or sockets (for manual replacement/maintenance)—flexible for both high-volume home appliances (e.g., microwaves) and custom instrument panels (e.g., industrial temp monitors).

Broad Compatibility: Beyond temperature indicators, it works for humidity meters (e.g., "60% RH"), converter displays (e.g., "220V" voltage), or appliance settings (e.g., "03" fan speed)—adding versatility across device types.

4. Compliance & Safety

RoHS Compliant: Free from lead, mercury, and harmful substances—safe for home use (even around children or food-related appliances) and export to global markets (EU, North America, Asia), meeting consumer and industrial safety standards.

Technical Specifications (Aligned with 2-Digit 0.39-Inch Temp Displays)

Applications

This display is tailored for temperature-focused devices and daily-use electronics, including:

Temperature Indicators: Wall thermostats (room temp "22°C"), portable fridge monitors ("-18°C"), greenhouse temp sensors ("25°C"), or water heater temp displays ("60°C").

Home Appliances: Microwaves (cook temp "180°C"), electric ovens (preheat "200°C"), mini fridges ("05°C"), or air fryers ("190°C").

Instrument Panels: Industrial temp monitors ("50°C" process temp), battery chargers (internal temp "35°C"), or fitness equipment (body temp "37°C").

Other Devices: Humidity indicators ("55% RH"), voltage converters ("220V"), or smart home hubs (room temp "21°C" alongside other metrics).

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Why Choose This Display for Temperature Indicators?

Temp Readout Clarity: Super red light + uniform segments ensure accurate temp recognition—prevents misreads of critical values (e.g., "-5°C" vs. "5°C").

Energy Efficiency: Low current operation extends battery life for portables and cuts costs for plugged-in devices, aligning with eco-friendly trends.

Easy Integration: Common cathode polarity + dual mounting options simplify production and maintenance, saving manufacturers time and users hassle.

Versatility: Works across temp indicators, appliances, and instruments—reducing the need for multiple display types in device lineups.

Safety Compliance: RoHS certification ensures global use, making it suitable for family-friendly and industrial environments alike.

Order & Logistics Information (Typical for Such Displays)

Minimum Order Quantity (MOQ): 300 pieces for standard models; 500 pieces for custom configurations (e.g., adjusted brightness).

Packing: Anti-static EPE + carton (each display individually wrapped to protect segments and pins during shipping).

Delivery Time: 5–7 days for standard orders; 10–12 days for custom variants.

Transport: Express (FedEx/DHL for urgent samples), Air (medium-volume), Ocean (bulk production runs for indicator/appliance manufacturers).