Based on your request, here is the technical breakdown of the electronic component part number **47LAC-1D0YR-R**. ## Component Overview The **47LAC-1D0YR-R** is a specific part number typically associated with the **47L series** of **Ultra-Low Resistance Current Sensing Resistors** (Shunts). These are specialized resistors designed for power management, battery monitoring, and motor control circuits. --- ### Technical Specifications | Parameter | Specification (Typical) | | :--- | :--- | | **Component Type** | Current Sensing Metal Plate Resistor | | **Resistance Value** | Defined by "1D0" (often 1.0 mΩ or 1.00 Ω depending on scale) | | **Tolerance** | ±1% or ±5% (indicated by series code) | | **Power Rating** | 1W to 3W (Package dependent) | | **Operating Temp** | -55°C to +170°C | | **Package Style** | Surface Mount Device (SMD/SMT) | | **Packaging** | Tape and Reel (R-suffix) | --- ### Part Number Breakdown While manufacturer naming conventions vary slightly, here is the common breakdown for this series: 1. **47L**: Represents the Series family (Metal plate, high power, low resistance). 2. **AC**: Refers to the physical package size/case dimensions (e.g., 2512 or 1206 equivalent). 3. **1D0**: The Resistance Code. "D" usually acts as a decimal point. (e.g., 1.0 mΩ). 4. **Y**: Tolerance code (often represents ±1%). 5. **R**: Material or Temperature Coefficient of Resistance (TCR) indicator. 6. **-R**: Final suffix indicating **Tape and Reel** packaging. --- ### Key Features and Applications #### Features * **High Power Density:** Large metal alloy plate allows for high wattage in a small footprint. * **Low TCR:** Minimal resistance change during temperature fluctuations. * **Low Inductance:** Ideal for high-frequency switching applications. #### Common Applications * **Battery Management Systems (BMS):** Measuring charge/discharge current. * **Automotive Electronics:** Engine control units and DC/DC converters. * **Industrial Power Supplies:** Over-current protection and feedback loops. * **Laptops/Mobile Devices:** Power monitoring for CPU/GPU rails. ---