The **L2CE-1J-R** belongs to the **LuxiTune™** series by Lumileds. It is a high-performance COB (Chip on Board) LED module specifically designed for high-end architectural lighting, featuring **dynamic color tuning** and **warm dimming** capabilities. --- ## 1. Core Technical Specifications | Parameter | Specification | |:---|:---| | **Manufacturer** | Lumileds | | **Series** | LuxiTune™ (Gen 3 / L2CE) | | **Form Factor** | COB (Chip on Board) | | **Color Temperature (CCT)** | 1800K to 3000K (Warm Dimming Range) | | **Color Rendering Index (CRI)** | 90+ (High Fidelity) | | **Typical Luminous Flux** | ~1100 to 1300 Lumens (at full power) | | **Beam Angle** | 120° (Lambertian) | --- ## 2. Key Electronic Features ### A. Dim-to-Warm Functionality Unlike standard LEDs that maintain a constant color temperature when dimmed, the L2CE-1J-R mimics incandescent bulbs. As the current decreases, the color temperature shifts from a crisp 3000K down to a warm, candle-like 1800K. ### B. Integrated Driver Compatibility The "1J" variant is typically designed to work with specialized LED drivers that handle **0-10V** or **DALI** dimming protocols. It requires a constant current source to ensure thermal stability and color consistency. ### C. Thermal Management The module is built on a ceramic substrate which provides: * **Low Thermal Resistance:** Efficiently moves heat away from the LED junctions. * **Reliability:** Long L70 lifetime (usually >50,000 hours) when properly heatsinked. --- ## 3. Application Use-Cases The electronic properties of this part make it ideal for specific professional environments: 1. **Hospitality:** Hotels and restaurants requiring a transition from "daytime" bright light to "evening" mood lighting. 2. **Residential:** High-end smart home lighting systems. 3. **Retail:** Enhancing the visual appeal of products through high CRI and variable warmth. --- ## 4. Typical Connection Diagram (General) ```markdown [ Power Source ] ---> [ Constant Current Driver ] ---> [ L2CE-1J-R Module ] ^ | [ Dimming Control ] (0-10V / DALI) ```