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XL-3433SURC-05 SMD LED — Technical Specifications & Design Guide

LED Technology · 2026-03-09

XL-3433SURC-05 SMD LED — Technical Specifications & Design Guide

📌 Product Overview

The XL-3433SURC-05 is a high-performance Red SMD LED manufactured by XINGLIGHT. 💡 Housed in a compact 3.4x3.3mm package with a colorless transparent lens, it is engineered to deliver intense luminosity suitable for challenging environments.

Target applications primarily include automotive lighting (such as taillights and interior illumination) and commercial signage. 👇 The real design focus lies in its ability to handle a maximum continuous forward current of 150mA. This makes it ideal for designers needing high-reliability components for SMT automated production and infrared reflow soldering processes.

🚀 Typical Applications

Based on the datasheet parameters, particularly the high luminous intensity and wide viewing angle, this component fits the following use cases:

  • Automotive Lighting: Tail lights, turn signals, and interior cabin lights.
  • Commercial Display: Advertising lightboxes and channel letters.
  • Backlighting: LCD backlight units requiring uniform red illumination.
  • Decorative Lighting: Flexible light strips for accent or mood lighting.

📈 Key Technical Specifications

The table below summarizes the optical and electrical characteristics at Ta=25℃.

ParameterSymbolMin.Typ.Max.UnitTest Conditions
Luminous IntensityΦ23-39LMIF = 150mA
Dominant Wavelengthλd615-630nmIF = 150mA
Forward VoltageVF1.8-2.4VIF = 150mA
Viewing Angle2Ø1/2-120°-degIF = 150mA
Peak Wavelengthλp-625-nmIF = 150mA
Reverse CurrentIR--≤5μAVR = 5V

💡 Design Note: The component is sorted by brightness (Codes J2-J4), voltage (N12-7 to N12-9), and wavelength (HR01-HR03).

🔒 Absolute Maximum Ratings & Process Limits

Exceeding these values may cause permanent damage. ⚠️ Thermal management is critical when driving at the upper limits.

ParameterSymbolValueUnitNotes
Max Power DissipationPD500mW
Max Continuous Forward CurrentIF150mA
Peak Forward CurrentIFP300mAPulse ≤0.1ms, Duty ≤1/10
Max Reverse VoltageVR5V
ESD AbilityESD2000V
Operating TemperatureTOPR-40 ~ +85
Storage TemperatureTSTR-40 ~ +85
Soldering Temp/TimeTSOL260≤6 Seconds

📦 Package, Dimensions & Assembly Notes

  • Outline Dimensions: 3.4mm (L) x 3.3mm (W) x 1.9mm (H).
  • Packaging: EIA standard compliant, suitable for SMT automatic production.
  • Moisture Sensitivity: MSL Level 3. Ensure proper baking before reflow if exposed to ambient moisture.
  • Soldering: Compatible with Infrared Reflow.
    • Lead-Free Process: Peak temp 255℃ (Max 260℃), time above 217℃: 60-120s.
    • Lead Process: Peak temp 235℃ (Max 240℃), time above 183℃: 60-150s.

🏷️ Sourcing & Supply Considerations

  • Authenticity: Verify packaging markings to ensure genuine XINGLIGHT components.
  • Bin Selection: Specify brightness (J2-J4) and wavelength (HR01-HR03) codes during procurement to maintain color consistency.
  • MSL Handling: Confirm storage conditions; if the bag has been opened, follow bake-out procedures for MSL Level 3 to prevent popcorning during assembly.

❓ FAQ

Q: What is the maximum current I can drive the XL-3433SURC-05 with continuously?A: The Absolute Maximum Rating for continuous forward current is 150mA. While it can handle peaks up to 300mA, continuous operation above 150mA will degrade the lifespan.

Q: Is this LED suitable for outdoor automotive use?A: Yes, it is designed for automotive applications. However, the -40℃ to +85℃ operating range must be respected, and adequate moisture protection (MSL 3) should be considered during the PCB assembly process.

Q: What does the "Colorless Transparent" colloid mean for my design?A: It means the encapsulation resin is clear. This typically results in higher luminous intensity and a wider viewing angle (120°) compared to diffused lenses, but it requires careful optical design to avoid hotspots.

Q: Can I use a standard leaded soldering profile?A: The datasheet specifies parameters for both Lead and Lead-Free processes. For lead-free, do not exceed a peak temperature of 260℃ (255℃ recommended).

Q: How do I ensure color consistency across batches?A: Use the Dominant Wavelength binning codes (HR01, HR02, HR03). Requesting a specific bin code when ordering ensures the red hue remains consistent across your product line.

Q: What is the Moisture Sensitivity Level (MSL)?A: It is Level 3. This means the components can be exposed to ambient climate for 168 hours (one week) before they require baking prior to soldering to prevent internal damage.

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