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XL-4014UGC-02 SMD LED: Thermal & Forward Current Analysis

The XINGLIGHT XL-4014UGC-02 is a high-brightness 4.0x1.4mm SMD Emerald LED designed for compact illumination and LCD backlighting. 🔋 This analysis provides critical data on forward voltage ranges, luminous intensity b...

XL-4014UGC-02 SMD LED: Thermal & Forward Current Analysis

📌 Product Overview

The XL-4014UGC-02 is a surface-mount device (SMD) from XINGLIGHT, featuring a 4014 package size (4.0mm x 1.4mm x 0.8mm) with high-brightness Emerald green emission. 🟢 It utilizes a transparent colloid to maximize luminous intensity while maintaining a compact footprint suitable for high-density board layouts. This component is engineered primarily for efficiency in indoor lighting and display backlights, requiring strict current control to maintain lifespan and color consistency.

💡 Typical Applications

  • Indoor Illumination: Linear modules and light strips requiring consistent 120-degree beam angles.
  • Backlighting: LCD displays and indicator panels where space constraints are critical.
  • Commercial Signage: Advertising boards and light boxes utilizing high-intensity bins (G3-G6).
  • Automotive Interiors: Auxiliary lighting and dashboard indicators.
  • Decorative Lighting: Rigid light strips for architectural or accent lighting purposes.

📊 Key Technical Specifications

ParameterSymbolMinTypMaxUnitTest Conditions
Luminous IntensityIv30004500mcdIF = 60 mA
Dominant Wavelengthλd515530nmIF = 60 mA
Forward VoltageVF2.83.4VIF = 60 mA
Viewing Angle2Ø1/2120°degIF = 60 mA
Reverse CurrentIR≤ 5μAVR = 5 V

⚠️ Note: Bin codes HG02-HG04 (Wavelength) and N13-3 to N13-5 (Voltage) are available for strict color consistency.

⚠️ Absolute Maximum Ratings & Process Limits

ParameterSymbolMax ValueUnitNotes
Max Power DissipationPD200mWTa = 25°C
Max Continuous Forward CurrentIF60mA
Peak Forward CurrentIFP120mAPulse ≤ 0.1ms, Duty ≤ 1/10
Max Reverse VoltageVR5V
ESD AbilityESD2000VHuman Body Model (HBM)
Operating TemperatureTOPR-40 ~ +85°C
Storage TemperatureTSTR-40 ~ +85°C

🔒 Design Focus: Sustained operation near maximum current (60mA) requires adequate thermal PCB dissipation to prevent luminous flux degradation.

📦 Package, Dimensions & Assembly Notes

The component adheres to the EIA standard 4014 footprint:

  • Dimensions: 4.0 (L) x 1.4 (W) x 0.8 (H) mm.
  • Moisture Sensitivity: MSL 3 (Floor life: 168 hours at ≤30°C/60% RH).
  • Soldering: Compatible with infrared reflow.
    • Lead-free: Peak 255°C (t ≤ 10s).
    • Lead (SnPb): Peak 235°C (t ≤ 15s).
  • SMT Process: Recommended for automated pick-and-place and standard reflow profiles.

🚀 Sourcing & Supply Considerations

  • Binning Management: Verify specific Brightness (G3-G6) and Voltage (N13) codes to match driver design requirements.
  • Authenticity: Ensure packaging bears the correct EIA standard labels and XINGLIGHT branding.
  • MSL Compliance: Components must be re-baked if exposed beyond MSL 3 limits prior to reflow to prevent pop-corning.
  • Procurement: Sample testing for wavelength consistency is advised for new batch introductions.

❓ FAQ

Q: What is the maximum forward current for safe operation?
A: The maximum continuous forward current is 60 mA. However, pulses can reach up to 120 mA provided the pulse width is ≤ 0.1ms and the duty cycle is ≤ 10%.

Q: What does MSL 3 mean for this component?
A: MSL 3 (Moisture Sensitivity Level 3) means the LED can be exposed to the factory floor (30°C/60% RH) for a maximum of 168 hours after the moisture barrier bag is opened before it must be soldered to avoid internal damage.

Q: What is the viewing angle of the XL-4014UGC-02?
A: The typical viewing angle (2Ø1/2) is 120 degrees. This makes it suitable for general area lighting and backlighting where wide light dispersion is required.

Q: Are there specific voltage bins available for this LED?
A: Yes, the datasheet specifies voltage grading codes N13-3 (2.8-3.0V), N13-4 (3.0-3.2V), and N13-5 (3.2-3.4V) tested at 60mA. Selecting a specific bin helps in designing series circuits with uniform voltage drops.

About Leon Zhang

Leon Zhang is the founder of LDeepAI, focusing on AI-assisted electronic component sourcing and verified China supply-chain support for overseas buyers. He previously worked within the Huaqiang Group ecosystem, including experience related to HQEW, one of China's well-known electronic component trading platforms. This background gives him practical insight into China's electronic component supply-chain structure, supplier screening, channel verification and cross-border sourcing workflows.

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