Ultra Bright Blue Triple Digit 7 Segment LED Display Common Cathode for Refrigerator Controller
This 7-segment LED display is a high-performance, reliable optical component designed for clear, energy-efficient visual indication in various electronic devices. With its large character height and stable performance, it is particularly suited for home appliance control and status monitoring scenarios.
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1. Core Specifications
| Parameter | Details |
| Character Height | 17mm (0.67 inches) – Ensures clear visibility even from a short distance |
| Outer Dimensions | 47 x 22 x 8 mm – Compact size for flexible integration into device panels |
| Polarity | Common cathode – Standard configuration for easy circuit matching |
| Emitting Colour | Primary: Ultra bright blue (wavelength: 460-465nm); Optional: Red, blue, green, white, amber, yellow, orange, and multi-colour |
| Luminous Intensity | 80-100mcd – Delivers bright, visible light for clear status indication |
| Forward Voltage | 2.8-3.3V per LED – Compatible with most low-voltage electronic systems |
| Forward Current | 5-10mA per LED – Low current requirement, reducing overall power consumption |
| Physical Appearance | Yellow segments with black surface (equipped with protective film) – Enhances contrast and prevents surface scratches |
Detail Image
2. Product Features
High Luminous Intensity & Reliability: Bright, consistent light output ensures readability in different environments; stable component quality minimizes failure risks.
Low Power Consumption: Operates at a low forward current (5-10mA/LED), making it ideal for battery-powered devices or energy-saving home appliances.
Stable Performance: Maintains consistent light output and electrical properties across long-term use, avoiding flickering or dimming.
Long Lifetime: High-quality LED chips and epoxy materials extend the service life, reducing the need for frequent replacements.
Easy Assembly: Standard dimensions and common cathode polarity simplify integration into PCBs (printed circuit boards) or device panels, compatible with automated assembly processes.
IC Compatible: Works seamlessly with common integrated circuits (ICs) for display driving, reducing circuit design complexity.
RoHS Certified: Complies with the Restriction of Hazardous Substances Directive, ensuring environmental friendliness and safety for end-users.
3. Applications
This LED display is widely used in home electronic appliances and temperature/energy control systems, including but not limited to:
Air conditioner control panels (for displaying temperature, mode, or fan speed)
Refrigerator indicators and control panels (for showing temperature, door status, or ice-making mode)Cooling and heating control devices (e.g., electric heaters, dehumidifiers, or smart thermostats)Other small home appliances requiring clear digital or status indication (e.g., rice cookers, water heaters)
Application Image
Code:Ultra Bright White -WH
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 2.8 | | 3.2 | V |
| Reverse Voltage | Vr | Ir=10uA | 5 | | | V |
| Luminous Intensty | Iv | If=10mA | 120 | | 140 | mcd |
| LED color Temperature | K | If=10mA | 5500 | 20 | 6800 | K |
| Chromaticity Coordinates | X/Y | If=10mA | 0.29,0.32 | | 0.30,0.33 | nm |
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Ultra Bright Blue Triple Digit 7 Segment LED Display Common Cathode for Refrigerator Controller Images
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