The part number **47LAC-241R-R** typically refers to a specialized component within the **47L series**, often associated with surface-mount device (SMD) power inductors or line filters, commonly manufactured by brands like **Chilisin** or **Bourns**. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. Component Overview The "47LAC" series is generally categorized as a **Wire-wound Surface Mount Power Inductor** or a **Common Mode Choke**, depending on the specific manufacturer's catalog. These parts are designed for high-density power supply circuits. ### 2. Technical Specifications Based on standard naming conventions for this part family, the specifications are as follows: | Parameter | Value/Description | | :--- | :--- | | **Inductance** | 240 µH (indicated by "241") | | **Tolerance** | ±20% (standard for this class) | | **Inductance Code** | 241 (24 x 10^1 = 240) | | **Packaging** | Tape & Reel (indicated by the final "R") | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Termination** | RoHS Compliant (Lead-free) | ### 3. Key Electronic Functions * **Filtering:** It is primarily used to filter out high-frequency noise in DC-to-DC converters. * **Energy Storage:** Acts as an energy storage element in power management systems. * **EMI Suppression:** Helps in reducing Electromagnetic Interference (EMI) to meet regulatory standards. ### 4. Typical Applications These parts are found in various electronic devices requiring stable power delivery: 1. **Consumer Electronics:** Laptops, tablets, and gaming consoles. 2. **Telecommunications:** Network hubs and base station power modules. 3. **Industrial:** DC-DC converter modules and power supplies. --- ### Coding Example: Calculating Reactance If you are using this inductor in a circuit, you might need to calculate its inductive reactance ($X_L$) using the formula $X_L = 2\pi fL$. ```python import math def calculate_reactance(inductance_uh, frequency_hz): # Convert microhenries to Henries L = inductance_uh * 1e-6 # Calculate Reactance xl = 2 * math.pi * frequency_hz * L return xl # Example for 240uH at 100kHz inductance = 240 frequency = 100000 print(f"Reactance: {calculate_reactance(inductance, frequency):.2f} Ohms") ```