
Cree XLamp CXB1820 3000K LED High-CRI 90 Array CXB1820-0000-000N0UR230G
Procurement & Engineering Fast-Facts:
* Manufacturer: Cree LED (XLamp® CXB1820 High-Density Array)
* Color Rendering: 90 CRI Minimum (High-Fidelity)
* CCT/Color: 3000K (Warm White) | 3-Step MacAdam Ellipse
* Luminous Flux: R2 Bin (~2260 - 2420 lm @ 550mA, 85°C)
* LES (Light Emitting Surface): 12 mm
* Operating Voltage: 36V Typical (Characterized at 550mA)
* Inventory: Bulk trays in stock at Gainer LED; Verified batch traceability provided.
Description
Product Details
Cree XLamp CXB1820 3000K LED High-CRI 90 Array CXB1820-0000-000N0UR230G is a second-generation member of the proven CXA platform, offering up to 20% higher efficacy within the same physical footprint. Specifically, the CXB1820-0000-000N0UR230G is binned at 3000K with a minimum CRI of 90, positioning it as a critical light engine for manufacturers of premium retail spotlights, hotel downlights, and high-fidelity architectural fixtures where color depth and spectral accuracy are paramount.
For LED module manufacturers and luminaire designers, the 12mm LES (Light Emitting Surface) of the CXB1820 provides an ideal balance between high lumen output and tight beam control. Its ceramic substrate and silicon-carbide technology ensure an efficient thermal path, allowing the COB to maintain peak performance even in compact, high-wattage housing designs.
Key Engineering Advantages for Manufacturers
- Premium 90 CRI Output: Optimized for environments where red-rendering (R9) and skin tones must appear natural. This SKU ensures high-fidelity illumination, meeting the strict spectral requirements of high-end interior design tenders.
- Integrated Hot-Color Targeting: Unlike standard LEDs that shift color at high temperatures, Cree bins the CXB1820 at 85°C. This ensures that the 3000K warm-white chromaticity stays within the specified MacAdam ellipse at actual operating temperatures, reducing the "color-shift" risk during fixture operation.
- Superior Optical Density: The 12mm emission area facilitates high center-beam candlepower (CBCP). This allow fixture manufacturers to design narrow-beam spotlights with smaller, more cost-effective secondary optics while maintaining professional-grade intensity.
- Industrial-Grade Thermal Path: Built on a robust ceramic substrate with a low thermal resistance of 0.50 °C/W, the CXB1820 enables efficient heat transfer. This stability protects the L70/L90 lifespan, a critical requirement for professional commercial contracts.
| Parameter | Performance Specification |
| Light Emitting Surface (LES) | 12 mm |
| Footprint Dimensions | 17.85 mm x 17.85 mm |
| Typical Forward Voltage | 34.0 V – 36.0 V (36V Class) |
| Nominal Drive Current | 550 mA |
| Maximum Drive Current | 1050 mA |
| Typical Luminous Flux | ~2300 lm (R2 Bin @ 550mA, 85°C) |
| Color Temperature (CCT) | 3000K (3-Step MacAdam) |
| CRI (Color Rendering Index) | 90 Minimum |
| Maximum Junction Temp | 150 °C |
The CXB1820-0000-000N0UR230G is widely integrated into:
- High-End Retail Spotlights: 90 CRI output enhances the appearance of high-fashion and luxury merchandise.
- Hospitality & Hotel Lighting: Consistent warm-white illumination for lobbies, restaurants, and guest suites.
- Museum & Gallery Lighting: Precision light sources with no UV output, ideal for preserving and showcasing artwork.
- Commercial Office Fixtures: High-efficacy directional lighting for executive boardrooms and public spaces.
Why Source Cree LEDs through Gainer LED?
- As a specialized electronic component distributor, Gainer LED bridges the gap between Cree's production schedule and your assembly timeline. We prioritize batch integrity for our B2B partners.
- Verified Original Stock: We guarantee 100% original stock in factory-sealed trays with original labels and full traceability.
- Wholesale Scalability: We maintain strategic inventory of the CXB series, protecting you from semiconductor market lead-time fluctuations.
- Compliance Support: All components meet RoHS and REACH standards. We provide full documentation for international shipping.
FAQ
Q: Is the CXB1820 compatible with existing CXA1820 holders?
A: Yes. They share the same 17.85 x 17.85 mm footprint and 12mm LES. It is a direct drop-in efficacy upgrade requiring no changes to your current optics or COB holders.
Q: Do I need a COB holder for high-volume SMT production?
A: While soldering directly to the pads is possible, we recommend using professional COB holders (e.g., Molex or BJB) to ensure consistent thermal pressure on the TIM (Thermal Interface Material) and to simplify assembly.
Q: How does the "30G" bin code (3-Step MacAdam) benefit my project?
A: It ensures that color variance is virtually invisible to the human eye. If you install 100 fixtures in a single room, they will all display the exact same warm-white tint, which is essential for premium architectural brands.
Q: Can I drive the CXB1820 at its 1050mA maximum current?
A: Yes, but thermal management is non-negotiable. At 1050mA, the power dissipation is significant. Ensure your heatsink is rated for the additional load to keep the case temperature within Cree's limits.
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