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49mm-4 Cree XML2 40w
40W High-Power Cree XM-L2 LED Module – 49mm Aluminum PCB, Dual-Channel 6V/3A, 6500K Cool White
Unlock superior luminous flux with our 40W Cree XM-L2 LED Module. Designed for engineers and lighting enthusiasts, this module integrates four industry-leading Cree XM-L2 emitters onto a robust 49mm aluminum substrate.
Unlike standard single-channel modules, this unit features a Dual-Channel Architecture, allowing for independent control of two separate circuits (6V/3A per channel). Whether you are building high-lumen flashlights, industrial work lights, or stage lighting rigs, the 6500K Cool White spectrum ensures crisp, daylight-balanced visibility.
Premium Efficiency: Utilizes genuine Cree XM-L2 technology for maximum lumens-per-watt and long lifespan (L70 > 50,000 hours).
Superior Thermal Management: The 1.5mm thick Aluminum PCB acts as an efficient heat sink, preventing thermal throttling and maintaining consistent brightness.
Flexible Control: The Dual-Channel design allows you to run two separate drivers or dimming circuits on a single compact board.
Compact Footprint: With a 49mm diameter, it fits easily into tight housings while delivering massive 40W output.
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Parameter | Specification |
|---|---|
LED Emitter Type | 4x Cree XM-L2 (High Power) |
Total Power Output | 40 Watts (Max) |
Color Temperature | 6500K (Cool White / Daylight) |
PCB Material | Aluminum Core (MCPCB) |
PCB Diameter | 49 mm |
PCB Thickness | 1.5 mm |
Channel Configuration | Dual Channel (2 Independent Circuits) |
Electrical Rating | 6V / 3A per channel |
Mounting Holes | Pre-drilled standard spacing (See diagram) |
Application Type | Industrial, Automotive, Stage, DIY |
Industrial Floodlights: High-intensity area lighting requiring cool white visibility.
Automotive Lighting: Custom headlight builds or off-road auxiliary lights (requires appropriate driver).
Stage & Studio Lighting: Bright, color-accurate source for video production.
DIY Electronics: Perfect for makers building custom thermal cameras or high-power flashlights.
Driver Requirement: This is a constant current/voltage component. Please ensure your LED driver matches the 6V/3A per channel specification.
Thermal Paste: For optimal performance, apply high-quality thermal compound between the aluminum PCB and your external heatsink.
Q: What are the exact electrical requirements for this 40W Cree XM-L2 module?
A: This module operates on a dual-channel configuration. Each channel requires 6V at 3A, totaling 40W of power. It is crucial to use a constant current LED driver capable of supplying 3A per channel to ensure stability and prevent chip damage.
Q: Can I run this 40W LED module on a standard 12V power supply?
A: Yes, but you have to connect the 2channels in series
Q: Is this module dimmable?
A: Yes, the Cree XM-L2 chips are fully dimmable. However, you must use a PWM (Pulse Width Modulation) dimmable driver compatible with the 6V/3A dual-channel input. Do not use simple resistive dimmers, as they can cause flickering or damage the LEDs.
Q: How bright is the 6500K Cool White output compared to standard LEDs?
A: The Cree XM-L2 is a high-flux emitter. At full 40W drive (3A/channel), this module produces significantly higher luminous intensity than standard SMD LEDs. The 6500K color temperature provides a crisp, daylight-white light ideal for high-visibility applications, stage lighting, and industrial inspection.
Q: Does the 49mm Aluminum PCB require a heatsink?
A: Yes, absolutely. While the 1.5mm thick aluminum PCB offers excellent thermal conductivity, 40W of power generates significant heat. You must mount this module onto a dedicated extruded aluminum heatsink with thermal paste to maintain junction temperatures below 85°C and ensure the 50,000+ hour lifespan of the Cree chips.
Q: What are the mounting dimensions for this circular LED array?
A: The module features a compact 49mm diameter circular design. It includes pre-drilled mounting holes on the aluminum substrate for easy installation. Please check the technical drawing in the "Downloads" section for exact hole spacing before designing your housing.
Q: Can I connect multiple 40W modules in series or parallel?
A: Due to the specific 6V dual-channel architecture, connecting these in series is complex and generally not recommended unless you have a high-voltage multi-channel driver. For parallel connections, ensure your power supply can handle the cumulative amperage (e.g., two modules = 6V/6A total). We recommend independent drivers for each module for optimal performance.
Q: What are the best applications for this 4x Cree XM-L2 setup?
A: This high-density light engine is perfect for:
Stage & Studio Lighting: High CRI and intense output.
Industrial Machine Vision: Uniform 6500K illumination.
High-End Flashlights/Spotlights: DIY projects requiring extreme throw.
Horticulture Lighting: As a supplemental cool-white spectrum source.
Q: Do you offer custom binning or different color temperatures?
A: Yes, we support OEM/ODM orders. While this listing features 6500K Cool White, we can manufacture modules with Warm White (3000K), Neutral White (4000K), or specific wavelength LEDs upon request. Contact our sales team for MOQ details.
