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The EVERLIGHT 23-21SURC/S530-A6/TR8 is a high-brightness, surface-mount LED designed for various lighting applications. Below are its key specifications, descriptions, and features:

Specifications:

• Color: Super Red
• Wavelength: 630 nm (typical)
• Luminous Intensity: 600 mcd (minimum) at 20 mA
• Forward Voltage (Vf): 2.0 V (typical) at 20 mA
• Reverse Voltage (Vr): 5 V
• Viewing Angle: 120°
• Package Type: SMD (Surface-Mount Device)
• Dimensions: 3.2 mm × 2.8 mm × 1.9 mm
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -40°C to +100°C

Descriptions:

• Designed for high-efficiency lighting in compact spaces.
• Suitable for backlighting, indicators, and automotive applications.
• RoHS compliant and lead-free.

Features:

• High Brightness: Delivers strong luminous output.
• Wide Viewing Angle: 120° for broad visibility.
• Low Power Consumption: Efficient performance at low forward voltage.
• Reliable Performance: Stable operation across a wide temperature range.
• Surface-Mount Design: Easy integration into PCB assemblies.

This LED is commonly used in consumer electronics, automotive lighting, and industrial indicators.

# Technical Analysis of EVERLIGHT’s 23-21SURC/S530-A6/TR8 LED Component

## 1. Practical Application Scenarios

The 23-21SURC/S530-A6/TR8 is a surface-mount (SMD) LED component designed by EVERLIGHT, primarily suited for applications requiring high brightness and reliability. Key use cases include:

• Automotive Lighting: Used in dashboard backlighting, interior ambient lighting, and status indicators due to its stable luminous intensity and compact form factor.
• Consumer Electronics: Integrated into devices such as smart home controls, wearables, and portable gadgets where low power consumption and long lifespan are critical.
• Industrial Indicators: Employed in control panels, machinery status lights, and safety systems where visibility under varying environmental conditions is essential.
• Medical Devices: Utilized in diagnostic equipment and handheld instruments where consistent color rendering and durability are required.

The LED’s wide viewing angle (120°) and high luminous efficiency make it particularly effective in applications requiring uniform illumination. Its SMD design ensures compatibility with automated PCB assembly processes, reducing manufacturing complexity.

## 2. Common Design-Phase Pitfalls and Avoidance Strategies

Pitfall 1: Thermal Management Issues

Excessive heat can degrade LED performance and lifespan. The 23-21SURC/S530-A6/TR8 requires proper thermal dissipation to maintain optimal brightness.

Solution:

• Use a PCB with adequate thermal vias or a metal-core substrate.
• Ensure sufficient spacing between LEDs to prevent localized heating.

Pitfall 2: Incorrect Forward Voltage/Current Matching

Operating the LED outside its specified forward voltage (2.8V–3.4V) or current (20mA max) risks premature failure.

Solution:

• Implement a constant-current driver circuit to maintain stable operation.
• Verify power supply compatibility before integration.

Pitfall 3: Poor Optical Alignment

Misalignment during PCB assembly can lead to uneven light distribution, particularly in clustered LED arrays.

Solution:

• Use pick-and-place machines with optical calibration for precise positioning.
• Follow EVERLIGHT’s recommended footprint and stencil design guidelines.

## 3. Key Technical Considerations for Implementation

• ESD Sensitivity: The component is ESD-sensitive (Class 1C per ANSI/ESDA/JEDEC JS-001). Handle with appropriate ESD protection during assembly.
• Soldering Conditions: Follow reflow soldering profiles with a peak temperature not exceeding 260°C to prevent damage.
• Optical Performance: Verify color consistency (dominant wavelength 630nm–645nm) and luminous intensity (min. 600mcd) under expected operating conditions.

By addressing these factors, designers can maximize the 23-21SURC/S530-A6/TR8’s performance in demanding applications while avoiding common integration challenges.