📌 Product Overview
The XL-2835UGC-02 is a high-performance surface-mount device (SMD) LED designed by XINGLIGHT. 💡 It features a compact 2.8x3.5x0.8mm package with a water-clear colloid optimized for green light emission (520nm typical). This component is engineered to support a maximum continuous forward current of 60mA, offering significantly higher brightness output compared to standard 20mA indicators. It serves as an ideal solution for general indoor lighting, LCD backlights, and commercial signage where power density and luminous flux are critical factors in the design layout.
🎯 Typical Applications
Based on its high luminous intensity (up to 6000 mcd) and 120° viewing angle, the XL-2835UGC-02 is suited for applications requiring uniform illumination with good color saturation.
- Indoor Lighting: 💡 Ideal for fluorescent tube replacements, light strips, and downlights due to its high efficiency and compact footprint.
- Commercial Display: 👇 Perfect for advertising light boxes and channel letters where high brightness and wide viewing angles ensure readability.
- Backlighting: 🚀 Used in LCD backlight units for panel displays and indicators.
- Decorative Lighting: ✨ Suitable for flexible light strips used for accent and decorative lighting in residential or commercial environments.
📊 Key Technical Specifications
The following table outlines the optical and electrical performance under standard test conditions ($T_a=25^\circ C$).
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Luminous Intensity | $I_V$ | 4100 | - | 6000 | mcd | $I_F=60\text{mA}$ |
| Dominant Wavelength | $\lambda_d$ | 510 | - | 530 | nm | $I_F=60\text{mA}$ |
| Peak Wavelength | $\lambda_p$ | - | 520 | - | nm | $I_F=60\text{mA}$ |
| Forward Voltage | $V_F$ | 3.0 | - | 3.4 | V | $I_F=60\text{mA}$ |
| Viewing Angle | $2\theta_{1/2}$ | - | 120 | - | deg | $I_F=60\text{mA}$ |
| Reverse Current | $I_R$ | - | - | $\le5$ | $\mu$A | $V_R=5\text{V}$ |
Note: Half-wave width ($\Delta\lambda$) is typically 30nm.
⚠️ Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause permanent device failure or significant degradation in optical performance. 🔒 Design margins must account for thermal dissipation.
| Parameter | Symbol | Value | Unit | Notes |
|---|---|---|---|---|
| Max Power Dissipation | $P_D$ | 200 | mW | @ $T_a=25^\circ C$ |
| Max Continuous Forward Current | $I_F$ | 60 | mA | DC operation |
| Peak Forward Current | $I_{FP}$ | 150 | mA | Pulse width $\le0.1\text{ms}$, Duty $\le1/10$ |
| Max Reverse Voltage | $V_R$ | 5 | V | - |
| ESD Ability | ESD | 2000 | V | Human Body Model (HBM) |
| Operating Temperature | $T_{OPR}$ | -40 ~ +85 | $^\circ$C | - |
| Storage Temperature | $T_{STR}$ | -40 ~ +85 | $^\circ$C | - |
| Soldering Temp/Time | $T_{SOL}$ | 260 | $^\circ$C | $\le6\text{ Seconds}$ |
📦 Package, Dimensions & Assembly Notes
The device utilizes the standard 2835 package form factor, measuring 2.8mm x 3.5mm with a low profile height of 0.8mm.
- Moisture Sensitivity: 📈 The component is classified as MSL 3. It must be baked according to J-STD-033 standards before opening if the floor life has been exceeded to prevent "popcorning" during reflow.
- Soldering Compatibility: ✨ Designed for infrared reflow soldering processes.
- Lead-Free Process: Peak temp $255^\circ\text{C} +0/-5$, time above $217^\circ\text{C}$ for 60-120 seconds.
- Lead Process: Peak temp $235^\circ\text{C} +5/-0$, time above $183^\circ\text{C}$ for 60-150 seconds.
- Packaging: 🚀 Supplied in EIA standard compliant packaging (tape and reel) suitable for high-speed automated SMT placement.
🛒 Sourcing & Supply Considerations
- Grading Selection: 💡 Be aware that this model is sorted by Brightness (G6-G9), Voltage (M19-3 to M19-6), and Wavelength (HG01-HG04) bins. Specify your required bin code at the time of quotation to ensure lot consistency.
- ** authenticity Verification:** 👇 Always verify the distribution channel. Request original datasheets and packaging labels to confirm the "XINGLIGHT" brand and avoid mixed or counterfeit batches.
- Sample Support: ✨ Request engineering samples for prototyping to validate the thermal management of your PCB layout before committing to mass production volumes.
❓ Frequently Asked Questions
Q: What is the recommended drive current for this LED in a lighting fixture? A: While the absolute maximum rating is 60mA, 🚀 it is recommended to drive the XL-2835UGC-02 at 40-50mA for continuous operation in lighting fixtures. This "derating" helps manage junction temperature, which prolongs lifespan and maintains stable color output.
Q: Can I use a standard leaded soldering iron for manual repair? A: Manual soldering is possible but requires caution. 🔒 The datasheet specifies a max temperature of 260°C for no more than 6 seconds. Exceeding this time or temperature may damage the epoxy or the internal bond wires. A temperature-controlled soldering iron is essential.
Q: What does the "MSL 3" rating mean for my production line? A: MSL 3 (Moisture Sensitivity Level) means the components are sensitive to moisture. 📈 If the vacuum-sealed bag has been open for more than 168 hours (7 days), you must bake the components at $125^\circ\text{C}$ for 24 hours prior to reflow soldering to prevent internal cracking.
Q: How does the viewing angle affect my light strip design? A: With a typical 120° viewing angle, this LED provides a wide beam spread. ✨ This is excellent for diffused lighting applications like light boxes or area lighting, but it may require a lens or diffuser if you need a narrower, more focused beam spot.
Q: Are there specific storage requirements to ensure warranty validity? A: Yes. To prevent oxidation and moisture absorption, store the reels at <40°C and <90% RH. 📦 Keep them in their original sealed moisture barrier bags with desiccant until they are ready to be loaded onto the SMT pick-and-place machine.
