The ELSS345SURWA/S530-A3/290 is a surface-mount LED manufactured by EVERLIGHT. Below are its key specifications, descriptions, and features:
Specifications:
- Manufacturer: EVERLIGHT
- Part Number: ELSS345SURWA/S530-A3/290
- LED Type: SMD (Surface-Mount Device)
- Color: White
- Luminous Intensity: 290 mcd (millicandela)
- Viewing Angle: 120°
- Forward Voltage (Vf): 3.2V (typical)
- Forward Current (If): 20mA (typical)
- Power Dissipation: 80mW
- Operating Temperature Range: -40°C to +85°C
- Package Type: PLCC-2 (Plastic Leaded Chip Carrier)
- Dimensions: 3.5mm x 2.8mm x 1.9mm
Descriptions & Features:
- High Brightness: Delivers 290 mcd luminous intensity for clear visibility.
- Wide Viewing Angle: 120° ensures uniform light distribution.
- Reliable Performance: Operates efficiently across a broad temperature range (-40°C to +85°C).
- Compact Design: Small PLCC-2 package suitable for space-constrained applications.
- Surface-Mount Technology (SMT): Facilitates automated PCB assembly.
- Low Power Consumption: Optimized for energy-efficient applications.
- RoHS Compliant: Meets environmental safety standards.
This LED is commonly used in backlighting, indicators, automotive lighting, and consumer electronics.
Would you like additional technical details or application notes?
# Technical Analysis of EVERLIGHT’s ELSS345SURWA/S530-A3/290
## 1. Practical Application Scenarios
The ELSS345SURWA/S530-A3/290 is a high-performance optoelectronic component designed for precision sensing and signaling applications. Key use cases include:
Industrial Automation
- Position and Proximity Sensing: The component’s high sensitivity and fast response time make it ideal for detecting object presence in conveyor systems, robotic arms, and assembly lines.
- Optical Encoders: Used in motor control systems to provide accurate rotational feedback, ensuring precise motion control in CNC machines and servo drives.
Consumer Electronics
- Ambient Light Sensing (ALS): Integrated into smartphones, tablets, and smart displays to dynamically adjust screen brightness based on environmental lighting conditions.
- Gesture Recognition: Enables touchless control in devices by detecting hand movements with high accuracy.
Automotive Systems
- Infrared (IR) Communication: Supports in-vehicle data transmission for remote keyless entry and tire pressure monitoring systems (TPMS).
- Safety Systems: Used in collision avoidance systems to detect obstacles via IR reflectance.
Medical Devices
- Pulse Oximetry: The component’s stable IR emission characteristics support non-invasive blood oxygen monitoring in wearable health devices.
## 2. Common Design-Phase Pitfalls and Avoidance Strategies
Optical Misalignment
- Pitfall: Improper alignment between the emitter and detector reduces signal integrity.
- Solution: Use precision mounting fixtures and verify alignment during prototyping with optical simulation tools.
Thermal Management Issues
- Pitfall: Excessive heat degrades LED performance and lifespan.
- Solution: Implement heat sinks or thermal vias in PCB design and adhere to manufacturer-specified current limits.
Electrical Noise Interference
- Pitfall: Crosstalk from nearby high-frequency circuits disrupts signal accuracy.
- Solution: Shield sensitive traces, use differential signaling, and maintain proper grounding techniques.
Inconsistent Environmental Performance
- Pitfall: Variations in ambient light or temperature affect reliability.
- Solution: Incorporate compensation algorithms in firmware and select housings with adequate optical filtering.
## 3. Key Technical Considerations for Implementation
Electrical Parameters
- Verify forward current (If) and reverse voltage (Vr) limits to prevent premature failure.
- Ensure compatibility with driving circuitry (e.g., constant-current drivers for stable output).
Optical Characteristics
- Match the peak wavelength (λp) to the detector’s sensitivity range for optimal performance.
- Account for viewing angle and radiant intensity when designing lens systems.
Mechanical Integration
- Select appropriate packaging (e.g., surface-mount vs. through-hole) based on assembly constraints.
- Ensure proper soldering profiles to avoid thermal damage during reflow processes.
By addressing these factors, designers can maximize the reliability and efficiency of the ELSS345SURWA/S530-A3/290 in their applications.