19-21/S2C-AQ1R2B/3T

LED Indication - Discrete Overview

The 19-21/S2C-AQ1R2B/3T is a single-color surface-mount LED manufactured by Everlight Electronics Co Ltd. It utilizes an AlGaInP semiconductor material to emit brilliant yellow-green light with a peak wavelength range of 567.5 to 575.5 nm. The component features a water-clear lens and is housed in a compact 0603 package measuring 1.6 mm in length, 0.8 mm in width, and 0.8 mm in height. Designed for standard infrared and vapor phase reflow soldering processes, it operates within a temperature range of -40 °C to +85 °C.

LED Indication - Discrete Feature Summary

• Compact 0603 surface-mount form factor enabling high board density and reduced storage space requirements.
• Water-clear lens design optimized for efficient light transmission in miniature applications.
• Compatible with automatic placement equipment and standard reflow soldering processes.
• Constructed using lead-free materials compliant with RoHS directives.

LED Indication - Discrete Applications

• Automotive dashboard and switch backlighting
• Telecommunication device indicators
• LCD backlighting and symbol illumination

LED Indication - Discrete Procurement Notes

Verify the specific datasheet revision when sourcing this component, as manufacturing updates may occur without functional changes. Confirm that the received parts match the exact suffix code to ensure correct optical characteristics. Always validate supplier authorization through official Everlight channels to guarantee authenticity and traceability of the electronic components.

LED Indication - Discrete Selection Notes

Select this component for designs requiring a low-profile yellow-green indicator in constrained spaces. Ensure the driving circuit accommodates the forward voltage drop typical of AlGaInP LEDs. Verify that the PCB layout allows for adequate thermal dissipation during reflow soldering to maintain long-term reliability under specified operating temperatures.

LED Indication - Discrete Part Context

This part belongs to the 19-21 series of SMD LEDs from Everlight, which are engineered for general-purpose indication and backlighting. The series is characterized by its small footprint and compatibility with automated assembly lines. It serves as a standard solution for consumer electronics and industrial control panels where space efficiency is critical.

LED Indication - Discrete Replacement Considerations

Direct substitutes include other 0603 yellow-green LEDs from manufacturers such as Lite-On or Kingbright. When replacing, verify that the replacement part matches the physical dimensions, pin configuration, and spectral output to ensure seamless integration into existing assemblies.