The part number **47LM-1D1W-R** typically refers to a specific series of **LED indicators** or lighting components, often associated with industrial interfaces, control panels, or status displays. Below is a detailed breakdown of the electronic specifications and characteristics generally associated with this component type. --- ### 1. Component Overview This part is a high-performance LED indicator designed for surface mount or panel mount applications, known for its reliability in industrial environments. | Feature | Specification | | :--- | :--- | | **Component Type** | LED Indicator / Status Light | | **Color** | White (Cool White) | | **Mounting Type** | Surface Mount (SMD) or Specific Housing | | **RoHS Status** | Compliant (indicated by the "-R" suffix) | | **Application** | Industrial Controls, Networking Equipment, Consumer Electronics | --- ### 2. Technical Characteristics The part is engineered to provide high luminosity while maintaining low power consumption. #### A. Electrical Specifications * **Forward Voltage ($V_f$):** Typically ranges between **2.8V to 3.6V** for white LEDs. * **Forward Current ($I_f$):** Standard operating current is usually around **20mA**, though it may support pulse currents. * **Power Dissipation:** Low thermal footprint, suitable for high-density PCB layouts. #### B. Optical Specifications * **Luminous Intensity:** High output measured in millicandela (mcd). * **Viewing Angle:** Generally wide (110° to 140°) to ensure visibility from various positions. * **Color Temperature:** Cool White, often used for clear status signaling. --- ### 3. Part Number Decoder (Typical) While naming conventions vary by manufacturer (such as Kingbright, Dialight, or others), the code usually breaks down as follows: 1. **47LM:** Series identifier (Specific physical dimensions and lens type). 2. **1D:** Electrical configuration (often refers to internal circuitry or diode arrangement). 3. **1W:** Color code (W = White). 4. **-R:** Environmental compliance (RoHS Compliant). --- ### 4. Common Applications * **Status Indicators:** Power on/off, fault detection, or link activity in routers. * **Backlighting:** Small scale backlighting for LCDs or switches. * **Automotive:** Dashboard indicators or ambient interior lighting. ---