Based on your query, the part number **47LAC-2D2B-R/Q** refers to a high-precision, multi-turn wirewound potentiometer, typically manufactured by companies like **Sakae** or similar precision component vendors. --- ### ## Component Specification Overview This specific part belongs to a series of precision potentiometers used for manual or motorized adjustment in industrial and scientific equipment. | Feature | Specification Details | | :--- | :--- | | **Component Type** | Precision Multi-turn Wirewound Potentiometer | | **Number of Turns** | Typically 10-turn (indicated by the "47" series context) | | **Total Resistance** | Specified by the "2D2B" code (likely 2.2k Ohms) | | **Mounting Style** | Panel Mount (Bushing or Servo) | | **Linearity** | High Precision (typically ±0.25% to ±0.1%) | | **Special Code** | "R/Q" denotes specific terminal types or shaft modifications | --- ### ### Technical Breakdown of Part Segments 1. **47L Series**: This denotes the physical body size and structural series. The "47" series is known for being a larger diameter (approx. 46-47mm) unit designed for high durability and power dissipation. 2. **AC**: This often refers to the specific element type (Wirewound) and construction style (standard industrial grade). 3. **2D2B (Resistance Code)**: * The first digits represent the value. * In many Japanese/Precision numbering systems, **2D2** translates to **2.2**. * **B** stands for **Linear Taper**. 4. **R/Q (Suffixes)**: * **R**: Frequently stands for "Rear Shaft Extension" or a specific terminal orientation. * **Q**: Often denotes a quick-connect terminal or a specific mechanical tolerance. --- ### ### Key Electrical Characteristics * **Power Rating**: Usually ranges from **2.0W to 5.0W** depending on the specific diameter and thermal environment. * **Rotational Life**: High endurance, typically rated for **1,000,000 to 2,000,000 shaft revolutions**. * **Operating Temperature**: Usually rated for **-55°C to +125°C**. * **Insulation Resistance**: Minimum 1000MΩ at 500VDC. --- ### ### Common Applications * **Test and Measurement**: Fine-tuning voltage or current outputs in laboratory power supplies. * **Industrial Automation**: Position sensing or speed control in heavy machinery. * **Medical Equipment**: Precise calibration of diagnostic imaging or laser systems. * **Avionics**: Control interfaces where high reliability and vibration resistance are required.