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XL-304UYD SMD LED — Technical Specifications & Design Guide

The XL-304UYD from XINGLIGHT is a LED designed for indicator and backlight applications. This technical guide helps design engineers and procurement teams evaluate the component for board integration, assess consisten...

XL-304UYD SMD LED — Technical Specifications & Design Guide

📄 XL-304UYD Yellow LED: High-Efficiency Indicator for Industrial & Consumer Electronics

🔍 Excerpt

The XL-304UYD is a yellow LED (585-595nm) with high luminous intensity (up to 900mcd) and low forward voltage (1.8-2.4V), designed for home appliances, automotive electronics, and industrial controls. Its compact F3 package (3.8x3.0mm) and RoHS compliance ensure reliability in mass production. This datasheet provides critical parameters for thermal management, soldering conditions, and brightness binning to mitigate design risks and optimize BOM consistency.


📌 Product Overview

The XL-304UYD is a high-reliability yellow LED featuring a compact F3 package (3.8x3.0x5.2mm) and yellow epoxy colloid. Engineered for efficiency, it offers fast startup and low-voltage DC drive (1.8-2.4V), making it ideal for space-constrained applications. Its 30° viewing angle and 20mA continuous current rating balance brightness with power consumption, while RoHS compliance ensures environmental safety. Designed for industrial and consumer use, it prioritizes longevity and stability under harsh conditions.

🔧 Typical Applications

  • Home appliances & digital devices
  • Automotive electronics (indicators/controls)
  • Lighting decoration & urban signage
  • Medical beauty instruments & electronic toys
  • Traffic signals & educational equipment

📊 Key Technical Specifications

ParameterSymbolMinTypMaxUnitTest Condition
Luminous IntensityIv200500900mcdIF=20mA
Dominant Wavelengthλd585-595nmIF=20mA
Forward VoltageVF1.82.22.4VIF=20mA
Viewing Angle2Ø1/2-30-degIF=20mA
Spectral WidthΔλ-20-nmIF=20mA

⚠️ Absolute Maximum Ratings & Process Limits

ParameterSymbolRatingUnit
Consumed PowerPd70mW
Max Continuous Forward CurrentIF20mA
Peak Forward CurrentIFp80mA
Operating Ambient TempTopr-20 ~ +85°C
Storage TempTstg-40 ~ +85°C
Reflow SolderingTsol240°C, ≤6s-
Manual SolderingTsol300°C, 3s-

📦 Package, Dimensions & Assembly Notes

  • Package Type: F3 (3.8x3.0x5.2mm) with long leads (28mm).
  • Soldering: Keep lead bend ≥2.0mm from colloid base; avoid thermal shock.
  • Tolerance: Standard ±0.5mm unless noted.
  • Protection: Moisture-proof, anti-static foil bag packaging (MSL 2).

🚀 Sourcing & Supply Considerations

  • Brightness Binning: Available in 6 grades (A2-A6, 200-900mcd).
  • Voltage Grading: 3 codes (N12-7 to N12-9, 1.8-2.4V).
  • Wavelength Control: 4 bins (HY03-HY06, 585-595nm) for color consistency.
  • Authenticity: Verify supplier credentials to avoid counterfeit risks.

❓ FAQ

Q: What is the LED’s lifespan?
A: Tested for 1,000 hours at 25°C with 0 failures, ensuring long operational life.

Q: Is it suitable for automotive use?
A: While rated for -40°C to +85°C, critical automotive applications require additional validation per AEC-Q102.

Q: How does brightness binning work?
A: Luminous intensity is graded into 6 tiers (A2-A6) for precise BOM matching.

Q: What soldering precautions are needed?
A: Reflow at ≤240°C for ≤6s; manual solder at 300°C for 3s, keeping lead bends ≥2.0mm from the colloid.

Q: Can it replace other yellow LEDs?
A: Cross-check VF, Iv, and wavelength bins; direct replacement requires matching N12 and HY codes.
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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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