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The EVERLIGHT 19-213/R6C-AQ1R2B/3T is an SMD LED component with the following specifications, descriptions, and features:

Specifications:

• Manufacturer: EVERLIGHT
• Part Number: 19-213/R6C-AQ1R2B/3T
• Color: Red
• Wavelength: 620nm
• Lens Color: Water Clear
• Forward Voltage (Vf): 2.0V
• Forward Current (If): 20mA
• Luminous Intensity (Iv): 200mcd (minimum)
• Viewing Angle: 120°
• Package Type: SMD (Surface Mount Device)
• Dimensions: 1.6mm x 0.8mm x 0.6mm (0603 size)
• Operating Temperature Range: -40°C to +85°C

Descriptions:

• High-brightness red LED in a compact 0603 SMD package.
• Suitable for backlighting, indicators, and general-purpose lighting applications.
• RoHS compliant and lead-free.

Features:

• Low power consumption.
• Wide viewing angle (120°).
• Reliable performance with stable light output.
• Compatible with automated SMT assembly processes.

For detailed technical data, refer to the official EVERLIGHT datasheet.

# Technical Analysis of EVERLIGHT’s 19-213/R6C-AQ1R2B/3T LED Component

## 1. Practical Application Scenarios

The 19-213/R6C-AQ1R2B/3T is a high-performance LED component from EVERLIGHT, designed for applications requiring precise optical performance and reliability. Key use cases include:

Automotive Lighting

This LED is commonly employed in automotive signal lighting (e.g., brake lights, turn indicators) due to its high brightness (typically >1000 mcd) and robust thermal performance. Its AEC-Q102 compliance ensures reliability under harsh environmental conditions, including temperature fluctuations and vibration.

Industrial Indicators

In industrial control systems, the component serves as a status or fault indicator. Its monochromatic output (likely red, given the "R6C" designation) ensures high visibility in low-light or high-ambient-light environments. The LED’s low power consumption (<50 mA typical forward current) makes it suitable for energy-sensitive applications.

Consumer Electronics

The 19-213/R6C-AQ1R2B/3T is used in appliances, wearables, and portable devices where compact size (likely in a surface-mount package) and long lifespan (>50,000 hours) are critical. Its compatibility with automated pick-and-place assembly streamlines high-volume production.

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

Thermal Management Oversights

Pitfall: Excessive junction temperature due to inadequate PCB heat dissipation, leading to premature failure.

Solution:

• Verify maximum junction temperature (Tj) from datasheet and design PCB with sufficient thermal vias or heatsinking.
• Use copper pours or metal-core PCBs for high-current applications.

Optical Misalignment

Pitfall: Inconsistent light output due to improper lens design or placement.

Solution:

• Match secondary optics (e.g., diffusers, reflectors) to the LED’s viewing angle (e.g., 120° if specified).
• Prototype with real-world mounting conditions to validate beam pattern.

Electrical Overstress

Pitfall: Forward current exceeding absolute maximum ratings, degrading performance.

Solution:

• Implement current-limiting resistors or constant-current drivers.
• Account for voltage drops in series configurations.

## 3. Key Technical Considerations for Implementation

Electrical Parameters

• Forward Voltage (Vf): Typically 2.0–2.4V (verify datasheet for exact range).
• Peak Wavelength: ~625 nm (red), ensuring compliance with color standards.

Mechanical Compatibility

• Verify footprint dimensions (likely 0603 or similar) to avoid soldering defects.
• Ensure reflow profiles match EVERLIGHT’s recommended soldering guidelines.

Environmental Robustness

• Confirm IP rating (if applicable) for moisture or dust resistance.
• Validate performance across the operating temperature range (-40°C to +85°C).

By addressing these factors, designers can optimize the 19-213/R6C-AQ1R2B/3T’s performance while mitigating risks in deployment.