The **47DAC-201-R** is a specific electronic component typically identified as a **Potentiometer** or **Trimmer**, often produced by manufacturers like Copal Electronics (Nidec). These components are used to adjust resistance within a circuit to tune performance or set specific voltage thresholds. --- ### Technical Specifications Below is a breakdown of the key characteristics generally associated with this part number: | Specification | Details | | :--- | :--- | | **Component Type** | Cermet Trimmer / Potentiometer | | **Resistance Value** | 200 $\Omega$ (indicated by "201") | | **Power Rating** | Typically 0.5W at 70°C | | **Tolerance** | ±10% or ±20% | | **Mounting Type** | Through-Hole (PC Pin) | | **Adjustment Type** | Side or Top Adjustment (Model dependent) | | **Number of Turns** | Single-turn or Multi-turn (Series dependent) | --- ### Part Number Breakdown The alphanumeric code provides specific details about the component's construction: * **47**: Refers to the series (size and physical footprint). * **D**: Often indicates the terminal style or mounting orientation (e.g., side adjust). * **A**: Indicates the adjustment slot type. * **C**: Material designation (Cermet). * **201**: The resistance code. The first two digits (20) are the significant figures, and the third (1) is the multiplier (10^1). **20 x 10 = 200 Ohms.** * **R**: Indicates compliance with **RoHS** (Lead-free) regulations. --- ### Key Applications Electronic parts like the 47DAC-201-R are found in various circuits where precision tuning is required: 1. **Calibration:** Setting reference voltages for Analog-to-Digital Converters (ADCs). 2. **Audio Equipment:** Balancing gain stages or adjusting bias currents. 3. **Industrial Controls:** Tuning sensor sensitivity or motor speed controllers. 4. **Power Supplies:** Fine-tuning the output voltage of a regulator. --- ### Physical Characteristics * **Material:** Built using **Cermet** (Ceramic-Metal), which offers high stability and reliability compared to standard carbon tracks. * **Sealing:** Usually features a sealed construction to withstand PCB washing processes (soldering flux removal).