91-21UYC/S530-A3/TR10

The "91-21UYC/S530-A3/TR10" is a specific type of LED (Light Emitting Diode) produced by Everlight Electronics Co., Ltd., a well-known manufacturer in the field of optoelectronics. This particular LED is characterized by its compact design and high efficiency, making it suitable for a variety of applications, including indicator lights, backlighting, and general illumination.

Key Features:

1. Color and Emission: The "91-21UYC" designation indicates that this LED emits a yellow-green light. The color temperature and wavelength are optimized for visibility and brightness, making it ideal for applications where clear signaling is required.

2. Package Type: The LED is typically housed in a 2.0mm x 1.25mm surface-mount package, which allows for easy integration into printed circuit boards (PCBs). The small footprint is advantageous for space-constrained designs.

3. Viewing Angle: The LED has a wide viewing angle, often around 120 degrees, which ensures that the emitted light is visible from various angles, enhancing its usability in different applications.

4. Electrical Characteristics: The forward voltage and current specifications are designed to ensure efficient operation. The typical forward voltage is around 2.0 to 2.2 volts, with a recommended forward current of approximately 20 mA, allowing for bright illumination while maintaining energy efficiency.

5. Luminous Intensity: The luminous intensity of the LED is typically measured in millicandelas (mcd), indicating how bright the light appears to the human eye. This LED is designed to provide a high luminous intensity, ensuring visibility even in bright ambient conditions.

6. Reliability and Longevity: Everlight Electronics emphasizes the reliability of their products, and this LED is no exception. It is designed to have a long operational life, often exceeding 50,000 hours, which reduces the need for frequent replacements and maintenance.

7. RoHS Compliance: The LED is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring that it is free from harmful substances like lead and mercury, making it an environmentally friendly choice.

8. Applications: The "91-21UYC/S530-A3/TR10" LED is versatile and can be used in various applications, including automotive lighting, consumer electronics, signage, and decorative lighting. Its bright yellow-green color makes it particularly suitable for indicators and alerts.

Conclusion:

The "91-21UYC/S530-A3/TR10" from Everlight Electronics Co., Ltd. is a high-performance LED that combines efficiency, reliability, and versatility. Its compact size, bright emission, and wide viewing angle make it an excellent choice for a wide range of lighting applications, catering to both industrial and consumer needs.