XINGLIGHT XL-HD3535UVA2-A2: High-Power 3535 UVA LED for Industrial and Smart Home Applications
Introduction
The 3535 package format has emerged as a balanced solution for applications requiring higher power density than 2835 packages while maintaining better space efficiency than 3838 formats. The XINGLIGHT XL-HD3535UVA2-A2 is a 1W high-power surface-mount UVA LED designed for applications in the 395-405nm wavelength range. This article provides a comprehensive technical overview of this versatile UV LED solution, covering specifications, applications, and design considerations.
Technical Specifications
Package Dimensions
The XL-HD3535UVA2-A2 features a 3535 package with outline dimensions of 3.5 × 3.5 × 2.0 mm, offering an optimal balance between power density and space efficiency for diverse LED array designs.
Electrical and Optical Parameters
Absolute Maximum Ratings:
- Power Dissipation: 1 W
- Forward Current: 350 mA
- Peak Wavelength: 395-405 nm
- Radiation Power: 500-750 mW
- Electrostatic Discharge (ESD): 3000 V
- Operating Temperature Range: -40°C to +105°C
- Storage Temperature Range: -40°C to +105°C
Key Features:
- High light output power
- Long service life
- Low light attenuation
- Environmental compliance: ROHS
- Moisture Sensitivity Level (MSL): 3
Comparison with Other Package Formats
| Feature | 2835 Package | 3535 Package | 3838 Package |
|---|---|---|---|
| Dimensions | 2.8 × 3.5 × 1.7 mm | 3.5 × 3.5 × 2.0 mm | 3.9 × 3.9 × 3.1 mm |
| Power Dissipation | 1000 mW | 1000 mW (1W) | 4000 mW |
| Forward Current | 130 mA | 350 mA | 1000 mA |
| Radiation Power | 180-300 mW | 500-750 mW | 750-1200 mW |
| Viewing Angle | 120° | Typically 60-120° | 60° |
| ESD Rating | 2000 V | 3000 V | 3000 V |
| Operating Temp | -40°C to +85°C | -40°C to +105°C | -40°C to +85°C |
| Best For | High-density arrays | Balanced power/space | High-power systems |
Key Applications
The XL-HD3535UVA2-A2 is designed for diverse UVA applications requiring balanced performance in power and space efficiency:
1. Sterilization and Disinfection
Ideal for:
- Surface sterilization devices
- Air purification systems
- Water treatment solutions
- Medical equipment sterilization
- Healthcare facility disinfection
2. Air and Water Purification
Applications include:
- HVAC system UV purification
- Drinking water sterilization
- Industrial water treatment
- Wastewater disinfection
- Swimming pool sanitization
3. Ultraviolet Detection and Communication
Enables:
- UV detection sensors
- UV communication systems
- Optical data transmission
- Spectroscopy equipment
- Security verification systems
4. Food Processing and Preservation
Supports:
- Food processing sterilization
- Beverage packaging disinfection
- Fresh food storage systems
- Shelf-life extension
- Food safety assurance
5. Smart Home Applications
Designed for:
- White appliances with UV disinfection
- Digital display and indicator LEDs
- Home air purifiers
- Kitchen appliance UV systems
- Smart bathroom fixtures
Advantages and Features
The XINGLIGHT XL-HD3535UVA2-A2 offers several key advantages:
Balanced Power Density
- 1W power dissipation provides optimal performance
- Higher radiation power (500-750 mW) compared to 2835 packages
- 350 mA forward current enables efficient drive circuits
- Balanced between 2835 and 3838 power levels
Compact and Efficient
- 3.5 × 3.5 × 2.0 mm package size
- Suitable for medium-density LED arrays
- Better space efficiency than 3838 packages
- Higher power density than 2835 packages
Enhanced ESD Protection
- 3000 V ESD rating provides robust protection
- Suitable for industrial environments
- Improved reliability in manufacturing and operation
- Enhanced component lifespan
Extended Temperature Range
- Operating temperature: -40°C to +105°C (wider than 2835/3838)
- Suitable for demanding industrial applications
- Reliable performance in extreme environments
- Expanded application versatility
Long Service Life
- Low light attenuation ensures stable performance
- Consistent output over extended periods
- Reduced maintenance requirements
- Lower total cost of ownership
Environmental Compliance
- ROHS-compliant materials and manufacturing
- Environmentally friendly production process
- Lead-free soldering compatible
- Sustainable design principles
Design Considerations
When implementing the XL-HD3535UVA2-A2 in your design:
- Thermal Management: Ensure adequate heat dissipation to maintain junction temperature below 105°C
- Current Regulation: Implement stable current regulation at 350 mA for optimal performance
- ESD Protection: Leverage the 3000 V ESD rating but provide additional protection during handling
- Array Design: Balance power density and spacing for uniform UV exposure
- Temperature Range: Utilize the extended operating temperature range for industrial applications
- Drive Circuitry: Design for 350 mA forward current with appropriate voltage headroom
- SMT Assembly: Follow standard reflow soldering guidelines for 3535 packages
Choosing the Right Package Format
Selecting the appropriate package format depends on application requirements:
When to Choose 2835:
- Maximum LED density required
- Space-constrained designs
- Lower power applications
- Wide viewing angle needed (120°)
When to Choose 3535:
- Balanced power and space efficiency
- Extended temperature range needed (-40°C to +105°C)
- Higher ESD protection required (3000 V)
- Medium-density arrays
- Smart home and appliance applications
When to Choose 3838:
- Maximum single-LED power required
- High-power applications
- High-flux output needed
- High-brightness focus applications
Reliability Testing
The XL-HD3535UVA2-A2 undergoes comprehensive reliability testing including:
- High-temperature operating life (HTOL) testing
- Extended temperature cycling (-40°C to +105°C)
- Moisture resistance testing
- SMT reflow soldering verification
- Mechanical shock and vibration testing
- ESD testing (3000 V HBM)
Application Examples
Example 1: Smart Air Purifier
- Configuration: 3535 UVA LED array
- Drive: 350 mA constant current
- Thermal: Aluminum heat sink with thermal interface material
- Benefit: Effective pathogen inactivation in residential air purification
Example 2: Water Treatment System
- Configuration: High-density 3535 LED array
- Drive: 350 mA per LED with thermal management
- Thermal: Water-cooled heat sink
- Benefit: Reliable water disinfection with extended temperature range
Example 3: Home Appliance UV System
- Configuration: Medium-density 3535 array
- Drive: PWM-controlled 350 mA
- Thermal: Appliance chassis heat dissipation
- Benefit: Integrated disinfection in white appliances
Conclusion
The XINGLIGHT XL-HD3535UVA2-A2 represents a balanced high-power UVA LED solution optimized for applications requiring optimal power density while maintaining space efficiency. With its 3535 package format, 1W power dissipation, and extended temperature range of -40°C to +105°C, this LED provides designers with a versatile component for implementing UV sterilization, purification, smart home devices, and industrial applications.
The 3535 package offers a compelling middle ground between the compact 2835 and the powerful 3838 formats, making it an ideal choice for applications where power density, space efficiency, and temperature range must all be balanced. Whether used in air purifiers, water treatment systems, smart appliances, or industrial sterilization equipment, the XL-HD3535UVA2-A2 delivers consistent performance with enhanced ESD protection and extended operating temperature capabilities.
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Keywords: #UVA #LED #3535 #XINGLIGHT #UVAApplications #SmartHome #Disinfection #IndustrialLED
Category: LED Technology
