Based on the part number **47NLDY-YR-R/Q**, this component belongs to a specialized series of **LED Indicators** or **Pilot Lights**, typically manufactured by companies like **IDEC** (specifically within their miniature 7mm or 8mm LED series). --- ### Component Overview This part is a miniature electronic indicator designed for panel mounting, commonly used in control panels, instrumentation, and signaling circuits. ### Part Number Breakdown (Estimated) | Segment | Interpretation | Description | | :--- | :--- | :--- | | **47** | Series Code | Refers to the physical dimensions (often 7mm or 8mm diameter). | | **N** | Type | Standard Miniature LED Pilot Light. | | **L** | Illumination | LED Light Source (rather than incandescent). | | **DY** | Designator | May refer to a specific dome shape or diffused lens style. | | **YR** | Color Code | **Yellow/Red** or Amber (Y = Yellow, R = Red). | | **R** | Voltage/Resistor | Often indicates an internal resistor for a specific voltage (e.g., 24V). | | **Q** | Termination | Quick-connect or specific pin terminals. | --- ### Technical Specifications While exact specifications can vary by sub-manufacturer, the **47 series** generally follows these parameters: * **Mounting Hole:** 7.0mm to 8.0mm diameter. * **Operating Voltage:** Typically available in 6V, 12V, or 24V DC configurations. * **Current Consumption:** Low power draw, usually between **7mA and 15mA**. * **Life Expectancy:** ~50,000+ hours (LED longevity). * **Lens Style:** Usually a diffused polycarbonate lens to ensure wide-angle visibility. ### Common Applications 1. **Status Monitoring:** Indicating "Power On" or "Fault" states in compact devices. 2. **Industrial Panels:** Used where space is limited and high-density mounting is required. 3. **Consumer Electronics:** Indicator lamps for high-end audio or laboratory equipment. --- ### Comparison with Standard Indicators ```markdown | Feature | 47N Series LED | Standard Incandescent | | :--- | :--- | :--- | | Heat Generation | Negligible | Significant | | Vibration Resistance | High (Solid State) | Low (Filament based) | | Power Efficiency | High | Low | | Response Time | Instantaneous | Slow (Warm-up) | ```