91-21USRC/S530-A4/TR7

Overview

The 91-21USRC/S530-A4/TR7 is a single-color red LED manufactured by Everlight Electronics. It operates at a peak wavelength of 631 nm and features a forward voltage of 2V. The component utilizes a 2-SMD gull-wing package for surface mount technology. It emits light with a millicandela rating suitable for discrete indication applications.

Feature Summary

• Emits red light at a specific peak wavelength for clear visual indication
• Utilizes a gull-wing surface mount package for automated assembly compatibility
• Designed as a discrete indicator component for electronic circuits

Applications

• Discrete status indication in electronic devices
• Panel indicator lights for equipment interfaces
• Visual signaling components in consumer electronics

Procurement Notes

Verify the exact part number suffix against official Everlight documentation to confirm package type and reel specifications. Ensure that the gull-wing configuration matches the target PCB footprint requirements. Cross-reference the datasheet for thermal and electrical limits before integration into final designs.

Selection Notes

Select this component when a standard red SMD indicator is required for panel mounting or board-level signaling. The gull-wing lead frame facilitates reliable soldering during surface mount processes. Confirm that the 631 nm wavelength aligns with visibility requirements for the intended application environment.

Part Context

This model belongs to Everlight's range of single-color surface mount LEDs. It serves as a visual feedback element within larger electronic assemblies. The specific designation indicates its color, package style, and tape-and-reel delivery format for high-volume manufacturing.

Replacement Considerations

Consult official substitution guides for compatible red SMD LEDs from Everlight or other manufacturers. Verify pinout compatibility and luminous intensity equivalence before swapping components in existing designs.