XINGLIGHT XL-HD2835UVA2S-A2: Compact 2835 UVA LED for UV Curing and Industrial Applications
Introduction
UVA LEDs in the 2835 package format have become increasingly popular for compact, space-constrained applications requiring reliable ultraviolet output. The XINGLIGHT XL-HD2835UVA2S-A2 is a high-brightness 2835 UVA LED designed for applications in the 365-400nm 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-HD2835UVA2S-A2 features a compact 2835 package with outline dimensions of 2.8 × 3.5 × 1.7 mm, offering excellent space efficiency for high-density LED arrays and miniaturized designs.
Electrical and Optical Parameters
Absolute Maximum Ratings (Ta = 25°C):
- Power Dissipation: 1000 mW
- Maximum Continuous Forward Current: 130 mA
- Pulsed Forward Current: 150 mA (1/10 duty cycle, 0.1ms pulse width)
- Reverse Voltage: 5 V
- Electrostatic Discharge (ESD): 2000 V (HBM)
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -40°C to +85°C
- Junction Temperature: ≤115°C
Optical-Electrical Parameters (Ta = 25°C):
- Radiation Flux (Φe): 180-300 mW (at IF = 120 mA)
- Peak Wavelength (λp): 360-400 nm (at IF = 120 mA)
- Forward Voltage (VF): 6.4-7.4 V (at IF = 120 mA)
- Viewing Angle (2Ø1/2): 120°
- Half Wave Width (Δλ): ~12 nm (at IF = 100 mA)
- Reverse Current (IR): ≤1 μA (at VR = 5V)
Grading Options
Brightness Grading:
- P2-6: 180-220 mW (at IF = 120 mA)
- P2-7: 220-300 mW (at IF = 120 mA)
Voltage Grading:
- N15-3: 6.4-6.6 V (at IF = 120 mA)
- N15-4: 6.6-6.8 V (at IF = 120 mA)
- N15-5: 6.8-7.0 V (at IF = 120 mA)
- N15-6: 7.0-7.2 V (at IF = 120 mA)
- N15-7: 7.2-7.4 V (at IF = 120 mA)
Wavelength Grading:
- SZ03: 365-370 nm (at IF = 100 mA)
- SZ04: 370-375 nm (at IF = 100 mA)
- SZ05: 390-395 nm (at IF = 100 mA)
- SZ06: 395-400 nm (at IF = 100 mA)
Key Applications
The XL-HD2835UVA2S-A2 is designed for diverse UVA applications requiring compact form factor and reliable performance:
1. UV Curing
Ideal for:
- Industrial UV curing systems
- Adhesive and coating curing
- Ink drying applications
- 3D printing post-processing
- PCB solder mask curing
2. Healthcare and Medical
Applications include:
- Phototherapy devices
- Medical instrument sterilization
- Dental curing applications
- Skin treatment procedures
- Disinfection systems
3. Anti-Counterfeiting and Authentication
Enables:
- Currency and document verification
- Security feature detection
- Product authentication
- Forensic analysis
- Quality control processes
4. Plant Growth and Agriculture
Supports:
- Indoor horticulture systems
- Agricultural research
- Supplemental lighting for specific plant species
- Controlled environment agriculture
5. Insect Trapping and Control
Effective for:
- Pest management systems
- Agricultural insect traps
- Industrial pest control
- Residential insect control devices
- Food storage protection
6. Sterilization and Disinfection
Applications include:
- Surface sterilization devices
- Air purification systems
- Water treatment solutions
- Food processing sanitation
- Healthcare facility disinfection
Advantages and Features
The XINGLIGHT XL-HD2835UVA2S-A2 offers several key advantages for designers:
Compact Form Factor
- 2.8 × 3.5 × 1.7 mm package enables high-density LED arrays
- Suitable for space-constrained designs
- EIA standard packaging for easy integration
High Brightness Output
- Radiation flux up to 300 mW at 120 mA drive current
- Consistent performance across multiple wavelength options
- High-brightness purple emission with transparent colloid
Wide Viewing Angle
- 120° viewing angle ensures broad coverage
- Efficient light distribution for uniform exposure
- Reduced need for complex optical systems
Manufacturing Compatibility
- Suitable for SMT automatic production lines
- Compatible with reflow soldering processes
- EIA standard packaging for automated handling
- High volume manufacturing ready
Environmental Compliance
- ROHS-compliant materials and manufacturing
- Environmentally friendly production process
- Lead-free soldering compatible
Moisture Sensitivity
- MSL (Moisture Sensitivity Level): 3
- Proper packaging ensures component reliability
- Designed for reliable storage and handling
Design Considerations
When implementing the XL-HD2835UVA2S-A2 in your design:
- Thermal Management: Ensure adequate heat dissipation to maintain junction temperature below 115°C
- Current Regulation: Implement stable current regulation at 120 mA for optimal performance
- ESD Protection: Provide proper ESD protection during handling and assembly (2000 V HBM rating)
- SMT Assembly: Follow standard SMT reflow soldering guidelines for 2835 packages
- Array Design: Utilize 120° viewing angle for uniform exposure in multi-LED configurations
- Wavelength Selection: Choose appropriate grading based on application requirements
- Drive Current: Maintain forward current at or below 130 mA continuous (150 mA pulsed)
Reliability Testing
The XL-HD2835UVA2S-A2 undergoes comprehensive reliability testing including:
- High-temperature operating life (HTOL) testing
- Temperature cycling tests
- Moisture resistance testing
- SMT reflow soldering verification
- Mechanical shock and vibration testing
Comparison with Larger Packages
The 2835 package offers several advantages compared to larger packages like 3838:
| Feature | 2835 Package | 3838 Package |
|---|---|---|
| Dimensions | 2.8 × 3.5 × 1.7 mm | 3.9 × 3.9 × 3.1 mm |
| Power Dissipation | 1000 mW | 4000 mW |
| Forward Current | 130 mA | 1000 mA |
| Viewing Angle | 120° | 60° |
| Best For | High-density arrays, compact systems | High-power single-LED applications |
Conclusion
The XINGLIGHT XL-HD2835UVA2S-A2 represents a compact, high-brightness UVA LED solution optimized for applications requiring space efficiency and reliable UV output in the 365-400nm range. With its 2835 package format, wide viewing angle, and multiple wavelength options, this LED provides designers with a versatile component for implementing UV curing, sterilization, medical devices, anti-counterfeiting systems, and pest control applications.
Whether used in industrial curing systems, healthcare devices, agricultural applications, or security verification systems, the XL-HD2835UVA2S-A2 delivers consistent performance in a compact, SMT-compatible package. The high-brightness output, wide viewing angle, and EIA standard packaging make it an ideal choice for high-volume manufacturing and automated assembly processes.
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Keywords: #UVA #LED #UVCuring #2835 #XINGLIGHT #UVApplications #MedicalDevices #AntiCounterfeiting #PlantGrowth
Category: LED Technology
