The **FL-6-R** is a high-performance, ultra-compact circular LED light engine, commonly used in architectural lighting, display cases, and spotlighting applications. It is designed for high lumen output relative to its small surface area. --- ### 1. Key Technical Specifications The FL-6-R is defined by its electrical efficiency and thermal management properties. | Feature | Specification (Typical) | | :--- | :--- | | **Input Current** | Constant Current (range varies by driver, typically 350mA - 700mA) | | **Forward Voltage** | ~17.5V to 18.5V (at 350mA) | | **Power Consumption** | ~6.5W to 13W (depending on drive current) | | **Light Source** | Array of 6 High-Power LEDs | | **CCT Options** | 2700K, 3000K, 4000K, 5000K | | **CRI** | 80+ or 90+ (Application specific) | --- ### 2. Electronic Components & Design #### A. LED Configuration The module features **six LEDs** wired in a specific series or series-parallel circuit. This configuration ensures that the current flowing through each diode is consistent, preventing "thermal runaway" where one LED draws more power than others and fails prematurely. #### B. Thermal Management (MCPCB) The "R" in the series often refers to the round **Metal Core Printed Circuit Board (MCPCB)**. * **Material:** Aluminum or Copper base. * **Function:** It acts as a primary heat spreader, pulling heat away from the LED junctions toward an external heatsink. Without proper thermal coupling, the electronic lifespan of the LEDs decreases significantly. #### C. Optical Interface The board is designed with mechanical alignment holes for secondary optics (lenses/reflectors). This allows the 120° native beam angle of the LEDs to be focused into narrow spots or wide floods. --- ### 3. Connection & Integration To operate the FL-6-R correctly, the following electronic considerations are required: 1. **Constant Current Driver:** This part **must not** be connected to a constant voltage (e.g., 12V or 24V) source. It requires a specialized LED driver that maintains a steady amperage. 2. **Polarity:** The board features marked `+` and `-` solder pads or a dedicated connector (like a Molex or Wago). Reverse polarity can damage the diode string. 3. **Dimming:** Support for PWM (Pulse Width Modulation) or 0-10V dimming is handled by the external driver, not the FL-6-R board itself. ---