The 67-21UYC/S400-A5/TR8 is a yellow surface-mount LED manufactured by Everlight Electronics Co Ltd. This LED is designed for applications requiring a bright and easily visible yellow light source, such as indicators, displays, and backlighting. Everlight is a prominent manufacturer of optoelectronic components.

Applications:

• Indicator lights
• Status indicators
• Backlighting for displays
• Automotive lighting
• Traffic signals

Features:

• Yellow color emission
• Surface-mount package
• High luminous intensity
• Wide viewing angle
• Low power consumption

Benefits:

• Provides clear and visible yellow indication
• Suitable for automated assembly processes
• Offers bright and uniform illumination
• Easy to see from various angles
• Reduces power consumption in electronic devices

Additional Details:

Surface mount LEDs are designed for mounting directly onto the surface of printed circuit boards (PCBs), allowing for compact and efficient designs. The luminous intensity indicates the brightness of the LED, measured in millicandelas (mcd). A wide viewing angle ensures visibility from different perspectives. LEDs are energy-efficient and offer a long lifespan compared to traditional lighting. Proper soldering techniques are essential to avoid damage during assembly. LEDs are sensitive to electrostatic discharge (ESD); therefore, proper ESD precautions should be taken. Forward voltage is the voltage required to turn on the LED, and forward current is the current that flows through the LED when it's on. The datasheet provides recommended operating conditions. The "TR8" suffix likely indicates tape and reel packaging. The 'S400-A5' likely refers to a specific binning or performance characteristic of the LED. Consideration should be given to the dominant wavelength of the emitted yellow light to ensure compatibility with the application requirements. Thermal management may be necessary depending on the operating current to maintain long-term reliability.