
Cree XLamp CXA2520 3500K COB LED High-Density CXA2520-0000-000N00R235G
Procurement & Engineering Fast-Facts:
* Manufacturer: Cree LED (XLamp® CXA2520 Series)
* Color Profile: 3500K Neutral Warm White | 80 CRI Min.
* Luminous Flux: R2 Bin (~2260 - 2420 lm @ 550mA, 85°C)
* LES (Light Emitting Surface): 19 mm
* Voltage Class: 36V Typical (Characterized at 550mA)
* Binning: 3-Step MacAdam Ellipse for zero color variance.
* Package Size: 23.85 mm x 23.85 mm (Ceramic Substrate)
* Supply Status: Bulk trays in stock at Gainer LED; Full batch traceability for OEM/EMS.
Description
Product Details
Cree XLamp CXA2520 3500K COB LED: High-Density CXA2520-0000-000N00R235G is a high-flux, multi-die integrated array designed for manufacturers who require high lumen density and long-term reliability in a single, easy-to-use component. Specifically, the CXA2520-0000-000N00R235G is binned at 3500K with a minimum CRI of 80. It serves as a strategic light source for commercial downlights, high-bay modules, and track lighting, providing an ideal balance of warm and neutral tones for professional environments.
For LED module manufacturers and fixture designers, the 19mm LES (Light Emitting Surface) of the CXA2520 provides exceptional beam control and high center-beam candlepower (CBCP). By utilizing a robust ceramic substrate, this COB ensures an efficient thermal path, maintaining high efficacy and chromaticity stability even in high-wattage industrial fixture designs.
Technical Performance & Engineering Advantages
- Integrated Hot-Color Targeting: The CXA2520 is characterized and binned at 85°C, ensuring the 3500K chromaticity remains within target specifications at actual operating temperatures. This eliminates the "color-shift" risks common in lower-tier COBs binned only at 25°C.
- Optimized 19mm LES: The 19mm emission area is compatible with a wide array of off-the-shelf reflectors and TIR lenses. This facilitates narrow beam angles and superior light density, which is critical for track lighting and high-clearance retail spotlights.
- Superior Thermal Path: With an ultra-low thermal resistance of only 0.4 °C/W, the CXA2520 enables designers to use more compact heatsinks while maintaining a safe junction temperature, protecting the L70 lifespan of the system.
- BOM Cost Optimization: As a high-output single component, the CXA2520 eliminates the need for complex SMT processes associated with discrete SMD arrays. This allows luminaire manufacturers to reduce assembly costs and improve overall system yields.
| Parameter | Performance Specification |
| LES (Light Emitting Surface) | 19 mm |
| Footprint Dimensions | 23.85 mm x 23.85 mm |
| Typical Forward Voltage | 34.0 V – 37.0 V (36V Class) |
| Nominal Drive Current | 550 mA |
| Maximum Drive Current | 1250 mA |
| Typical Luminous Flux | ~2300 lm (R2 Bin @ 550mA, 85°C) |
| CRI (Color Rendering Index) | 80 Minimum |
| Maximum Junction Temp | 150 °C |
The CXA2520-0000-000N00R235G is the preferred choice for:
- Commercial Downlights: High-efficacy 3500K source for professional office buildings, bank lobbies, and public spaces.
- Industrial High-Bay Lighting: Reliable, high-lumen output for high-clearance warehouses and manufacturing floors.
- Track Spotlights: Ideal for high-end retail displays where tight beam control and consistent color are required across multiple fixtures.
- Outdoor Area Lighting: Durable COB source for parking lot luminaires and security lighting where industrial-grade reliability is non-negotiable.
Why Source Cree LEDs through Gainer LED?
- As a specialized electronic component distributor, Gainer LED bridges the gap between Cree's factory production and your specific assembly schedule. We focus on batch integrity to ensure your production line never compromises on quality.
- Verified Batch Integrity: We guarantee 100% original stock in factory-sealed trays with original labels and full traceability.
- Strategic Wholesale Inventory: We maintain rolling stock of the CXA series to protect our B2B partners from semiconductor market lead-time fluctuations.
- Global Export Compliance: All components meet RoHS and REACH standards, ensuring your finished products are ready for the EU and North American markets.
FAQ
Q: Is the CXA2520 compatible with standard COB holders?
A: Yes. The 23.85 x 23.85 mm package is an industry standard. It is compatible with a vast array of solderless holders from brands like Molex and BJB, simplifying the assembly process for high-volume manufacturing.
Q: Can I drive the CXA2520 at 1250mA continuously?
A: 1250mA is the maximum rated current. However, for continuous operation at this level, thermal management is critical. You must ensure that your heatsink is capable of keeping the case temperature within the limits specified in the Cree datasheet to avoid premature failure.
Q: How does the "35G" bin code benefit my project?
A: The "35G" code indicates a 3-Step MacAdam ellipse color bin. This ensures that the 3500K color variance is virtually invisible to the human eye, providing the high level of color uniformity required by premium architectural brands.
Q: What is the recommended thermal interface for the CXA2520?
A: Given its high heat density, we recommend using a high-conductivity thermal grease or phase-change material with at least 3.0 W/m·K conductivity to ensure the ceramic base has a perfect thermal bond with the heatsink.
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