📌 Product Overview
The XL-5050UYC is a 5.0 x 5.0 x 1.6 mm surface-mount device (SMD) featuring a high-brightness yellow chip with a water-clear colloid. 👇 Designed to comply with ROHS directives, this component is optimized for automated SMT production lines and infrared reflow soldering processes. It targets general indoor illumination and auxiliary lighting where space constraints and viewing angle are critical design factors.
🚀 Typical Applications
Based on its 120-degree viewing angle and luminous intensity range, the XL-5050UYC is suitable for:
- Indoor & Auxiliary Lighting: General purpose and background illumination.
- Signage & Advertising: ✨ Luminescent characters and advertising modules requiring wide-angle dispersion.
- Retail Display: 💍 Jewelry display counters and shop lighting where color rendering (Yellow, 585-595nm) enhances product visibility.
- Backlighting: Indicator lights and switch backlighting.
⚡ Key Technical Specifications
The following optical and electrical parameters are measured under standard test conditions ($T_a=25^\circ C$).
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Test Condition |
|---|---|---|---|---|---|---|
| Luminous Intensity | $I_V$ | 600 | - | 1000 | mcd | $I_F=60$ mA |
| Dominant Wavelength | $\lambda_d$ | 585 | - | 595 | nm | $I_F=60$ mA |
| Peak Wavelength | $\lambda_p$ | - | 588 | - | nm | $I_F=60$ mA |
| Forward Voltage | $V_F$ | 1.8 | - | 2.4 | V | $I_F=60$ mA |
| Viewing Angle | $2\theta_{1/2}$ | - | 120 | - | deg | $I_F=60$ mA |
| Reverse Current | $I_R$ | - | - | $\le$ 5 | $\mu$A | $V_R=5$ V |
🔒 Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause permanent device failure. 🔒 Design margins must account for these limits to ensure reliability.
| Parameter | Symbol | Max. Value | Unit | Notes |
|---|---|---|---|---|
| Max Power Dissipation | $P_D$ | 200 | mW | - |
| Max Continuous Forward Current | $I_F$ | 60 | mA | - |
| Peak Forward Current | $I_{FP}$ | 120 | mA | Pulse width $\le$ 0.1ms, Duty $\le$ 1/10 |
| Max Reverse Voltage | $V_R$ | 5 | V | - |
| ESD Ability | ESD | 2000 | V | - |
| Operating Temperature | $T_{OPR}$ | -40 ~ +85 | $^\circ$C | - |
| Storage Temperature | $T_{STR}$ | -40 ~ +85 | $^\circ$C | - |
| Soldering Temp/Time | $T_{SOL}$ | 260 | $^\circ$C | $\le$ 6 Seconds |
📦 Package, Dimensions & Assembly Notes
- Package: 5050 SMD (5.0mm x 5.0mm footprint).
- Moisture Sensitivity: 🏷️ MSL Level 3. Floor life is 168 hours; bake before reflow if exposed beyond this limit.
- Reflow Profile: Suitable for both lead ($235^\circ$C max) and lead-free ($255^\circ$C max) infrared processes.
- Packaging: EIA standard compliant, suitable for automated pick-and-place machinery.
📈 Sourcing & Supply Considerations
- Binning Codes: Verify voltage (N12-7/8/9) and brightness (E6-E9) bin codes to ensure lot-to-lot consistency in light output.
- Authenticity: Source through authorized channels to guarantee ROHS compliance and moisture sensitivity integrity.
- Supply Chain: 📦 High-volume availability supports automated SMT lines; check for tape-and-reel packaging specifications.
❓ Frequently Asked Questions
Q: What is the forward voltage requirement for driving this LED at 60mA?
A: The forward voltage ($V_F$) ranges between 1.8V and 2.4V. 📉 Designers should use the 2.4V maximum for calculating power supply headroom and current limiting resistor values to ensure consistent brightness across all bins.
Q: Is the XL-5050UYC compatible with lead-free soldering processes?
A: Yes, it is suitable for infrared reflow soldering. The datasheet specifies a maximum temperature of $255^\circ$C +0/-5$^\circ$C for lead-free processes, with a critical time limit of 5-10 seconds at peak temperature.
Q: How does the Moisture Sensitivity Level (MSL) affect assembly?
A: This component has an MSL of 3. 🏷️ If the components are exposed to ambient air for more than 168 hours (1 week) after opening the vacuum seal, they must be baked at $80-125^\circ$C to prevent pop-corning or delamination during reflow.
Q: What is the typical viewing angle for this LED?
A: The XL-5050UYC features a wide viewing angle of 120 degrees. ✨ This makes it ideal for applications requiring broad light dispersion, such as advertising module lighting and shop display counters, rather than focused spotlighting.
Q: Can the XL-5050UYC handle pulsed current?
A: Yes, the Absolute Maximum Ratings allow for a peak forward current of 120mA, provided the pulse width is $\le$ 0.1ms and the duty cycle is $\le$ 1/10. Exceeding these duty limits may compromise the 200mW power dissipation rating.
