The ELF-416SYGWA/530-E3 is an LED component manufactured by EVERLIGHT. Below are its specifications, descriptions, and features:
Specifications:
- Manufacturer: EVERLIGHT
- Part Number: ELF-416SYGWA/530-E3
- LED Color: Green
- Wavelength: 530nm (dominant)
- Lens Appearance: Water Clear
- Forward Voltage (Vf): 3.2V (typical)
- Forward Current (If): 20mA (typical)
- Luminous Intensity (Iv): 3000mcd (minimum)
- Viewing Angle: 30°
- Package Type: PLCC-4 (Surface Mount)
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -40°C to +100°C
Descriptions:
- High-brightness green LED with a peak wavelength of 530nm.
- Designed for surface-mount applications (SMD).
- Suitable for backlighting, indicators, and display applications.
- RoHS compliant and lead-free.
Features:
- High Brightness: Delivers a minimum luminous intensity of 3000mcd.
- Wide Viewing Angle: 30° for better visibility.
- Low Power Consumption: Operates at a typical forward current of 20mA.
- Compact SMD Package: PLCC-4 form factor for space-saving designs.
- Reliable Performance: Stable operation across a wide temperature range.
This LED is commonly used in consumer electronics, automotive displays, and industrial indicators.
# ELF-416SYGWA/530-E3: Application, Design Considerations, and Implementation
## Practical Application Scenarios
The EVERLIGHT ELF-416SYGWA/530-E3 is a high-performance surface-mount LED designed for applications requiring precise optical performance and reliability. Key use cases include:
1. Automotive Lighting Systems
- Used in dashboard backlighting, interior ambient lighting, and status indicators due to its stable luminous intensity and wide operating temperature range (-40°C to +85°C).
- Ensures compliance with automotive EMI/EMC standards, making it suitable for integration into vehicle control modules.
2. Industrial Control Panels
- Ideal for status indicators and warning lights in harsh environments, thanks to its robust construction and resistance to vibration.
- The LED’s high brightness (typical luminous intensity: 20-30 mcd) ensures visibility under varying ambient light conditions.
3. Consumer Electronics
- Commonly integrated into appliances, smart home devices, and portable electronics for power/status indication.
- Low power consumption (forward voltage: 2.0V–2.6V) aligns with energy-efficient design requirements.
4. Medical Devices
- Suitable for diagnostic equipment and patient monitoring systems where consistent brightness and long-term reliability are critical.
## Common Design-Phase Pitfalls and Avoidance Strategies
1. Thermal Management Issues
- Pitfall: Excessive heat can degrade LED performance and lifespan.
- Solution: Ensure proper PCB thermal design with adequate copper pours and consider heat sinks if operating near maximum current ratings.
2. Inconsistent Forward Voltage Matching
- Pitfall: Variations in forward voltage (Vf) can lead to uneven brightness in multi-LED arrays.
- Solution: Select LEDs from the same production batch or implement current-limiting resistors for uniform brightness.
3. ESD Sensitivity
- Pitfall: Electrostatic discharge (ESD) can damage the LED during handling or assembly.
- Solution: Follow ESD protection protocols (e.g., grounded workstations) and consider ESD-rated packaging during storage.
4. Optical Misalignment
- Pitfall: Improper placement can cause uneven light distribution in lens-based applications.
- Solution: Use pick-and-place machines with vision alignment for precise positioning during PCB assembly.
## Key Technical Considerations for Implementation
1. Electrical Parameters
- Forward current: 20 mA (maximum 30 mA)
- Reverse voltage: 5V (absolute maximum)
- Ensure driver circuits comply with these limits to prevent premature failure.
2. Optical Characteristics
- Dominant wavelength: 530 nm (green)
- Viewing angle: 120°
- Design light guides or diffusers to optimize light dispersion if narrow viewing angles are required.
3. Soldering Recommendations
- Reflow soldering profile should adhere to JEDEC J-STD-020 standards.
- Avoid excessive thermal stress by limiting peak temperature to 260°C.
By addressing these factors, designers can maximize the performance and longevity of the ELF-416SYGWA/