📌 Product Overview
The XINGLIGHT XL-2835WWC-05 is a high-performance 2835 package SMD LED designed for warm white illumination. 💡 With a compact footprint of 2.8x3.5x0.8mm, it provides an efficient lighting solution suitable for high-density arrays. The component features a yellow colloid optimized for a warm color temperature ranging from 2800K to 3400K.
Target applications primarily include indoor and commercial lighting, such as downlights and light boxes. 👆 The real design focus lies in managing the 150mA forward current to ensure longevity while maintaining consistent luminous flux.
🚀 Typical Applications
Based on the datasheet parameters, the XL-2835WWC-05 is optimized for the following scenarios:
- Indoor Lighting: Ideal for fluorescent tubes, residential light strips, and recessed downlights requiring warm white tones (2800K-3400K).
- Commercial Signage: Suitable for advertising words and light boxes where uniform brightness and wide viewing angles (120°) are critical.
- Backlighting: Effective for LCD backlighting in display panels.
- Flexible Strips: Designed for decorative lighting on flexible circuit boards due to SMT compatibility.
📊 Key Technical Specifications
The following table outlines the optical and electrical characteristics at standard test conditions (Ta=25°C):
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Luminous Intensity | Φ | 39 | - | 70 | LM | IF = 150mA |
| Forward Voltage | VF | 2.8 | - | 3.4 | V | IF = 150mA |
| Color Temperature | TC | 2800 | - | 3400 | K | IF = 150mA |
| Viewing Angle | 2θ1/2 | - | 120 | - | Deg | IF = 150mA |
| Reverse Current | IR | - | - | 5 | μA | VR = 5V |
💡 Designers should utilize the specific binning codes (J5-J8 for brightness, WW2-4 to WW6-4 for color) to ensure batch consistency.
🔒 Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause permanent damage. 📉 The table below defines the critical stress boundaries for the device:
| Parameter | Symbol | Max. Value | Unit | Notes |
|---|---|---|---|---|
| Max Power Dissipation | PD | 500 | mW | - |
| Max Continuous Forward Current | IF | 150 | mA | - |
| Peak Forward Current | IFP | 300 | mA | Pulse ≤0.1ms, Duty ≤1/10 |
| Max Reverse Voltage | VR | 5 | V | - |
| ESD Ability | ESD | 2000 | V | Human Body Model |
| Operating Temperature | TOPR | -40 ~ +85 | °C | - |
👆 Ensure the junction temperature remains within safe limits during operation to prevent luminosity degradation.
📦 Package, Dimensions & Assembly Notes
The XL-2835WWC-05 utilizes a standard 2835 SMD package with an EIA-compliant form factor. Key physical characteristics include:
- Dimensions: 2.8mm (L) x 3.5mm (W) x 0.8mm (H).
- Moisture Sensitivity: MSL Level 3. Ensure proper baking before reflow if exposed to ambient humidity.
- Soldering Process: Suitable for infrared reflow.
- Lead-Free: Peak 255°C, time above 217°C: 60-120s.
- Lead Process: Peak 235°C, time above 183°C: 60-150s.
- SMT Compatibility: Designed for automated pick-and-place and infrared reflow soldering processes.
📈 Sourcing & Supply Considerations
When integrating the XL-2835WWC-05 into production, consider the following supply chain factors:
- Bin Selection: Verify specific brightness (J-codes) and voltage (N-codes) binning requirements with the supplier to match driver design.
- Authenticity: Source exclusively through XINGLIGHT authorized channels or verified distributors to avoid counterfeits.
- Sample Availability: Request engineering samples for thermal validation before mass production commitment.
- Packaging: Confirm EIA standard packaging tape dimensions are compatible with your specific feeder setup.
❓ FAQ
Q: What is the maximum drive current for safe continuous operation? A: The Absolute Maximum Rating for continuous forward current is 150mA. Exceeding this risks thermal runaway and permanent damage to the LED chip.
Q: Can this LED be used in outdoor applications? A: The datasheet specifies an operating temperature range of -40°C to +85°C. While it can withstand cold, it is primarily designed for indoor lighting (bulbs, tubes). Outdoor use requires IP-rated protection against water ingress.
Q: What are the storage requirements to prevent damage? A: The storage temperature range is -40°C to +85°C. Crucially, the Moisture Sensitivity Level (MSL) is 3. If the sealed bag is exposed, the components must be baked according to J-STD-033 standards before reflow soldering to prevent "popcorning."
Q: How should I handle the peak pulse current? A: The device can handle a peak pulse current of 300mA, but strictly with a pulse width ≤0.1ms and a duty cycle ≤1/10. This is suitable for multiplexing displays but not for sustained overdriving.
Q: What is the typical forward voltage I should design my driver for? A: The forward voltage ranges from 2.8V to 3.4V at 150mA. Drivers should be designed to accommodate the maximum voltage (3.4V) to ensure consistent current regulation across the binning range.
Q: Is this component RoHS compliant? A: Yes, the datasheet explicitly states that the product complies with ROHS directives, adhering to environmental protection standards regarding hazardous substances.
