## Technical Specifications: CTML0603F-R082M The **CTML0603F-R082M** is a high-frequency, multi-layer ceramic chip inductor. These components are designed for surface mount technology (SMT) and are commonly used in telecommunications and high-speed signal processing. ### 1. Key Technical Parameters | Parameter | Specification | Description | | :--- | :--- | :--- | | **Inductance** | 0.082 µH (82 nH) | The base magnetic energy storage value. | | **Tolerance** | ±20% (M) | The allowable deviation from the nominal value. | | **Case Size** | 0603 (EIA) / 1608 (Metric) | Dimensions: 1.6mm x 0.8mm. | | **Material** | Ferrite / Multilayer | Multi-layer construction for high density. | | **Rated Current** | ~50mA - 300mA* | The maximum continuous DC current. | | **DC Resistance (DCR)** | ~0.50 Ω Max* | The internal resistance of the coil. | | **SRF** | >300 MHz | Self-Resonant Frequency. | *\*Note: Specific current and resistance values may vary slightly depending on the specific manufacturer's production batch.* --- ### 2. Part Number Breakdown The alphanumeric code follows a standard industry naming convention: * **CTML**: Series prefix (Ceramic/Ferrite Multilayer Inductor). * **0603**: Package size (0.06 x 0.03 inches). * **F**: Lead-free / RoHS compliant. * **R082**: Inductance value (R = decimal point; 0.082 microhenries). * **M**: Tolerance code (M = ±20%). --- ### 3. Core Features and Applications #### Features: * **High Reliability**: Magnetic shielding provided by the multilayer structure reduces electromagnetic interference (EMI). * **Excellent Solderability**: Termination electrodes are usually plated with Nickel/Tin. * **Compact Design**: Small footprint ideal for high-density PCB layouts. #### Common Applications: 1. **Mobile Communications**: Filtering in cellular phones and WLAN modules. 2. **EMI Suppression**: Used in high-frequency noise filtering for data lines. 3. **Signal Conditioning**: Impedance matching in RF circuits. --- ### 4. Implementation Considerations When designing a PCB with the CTML0603F-R082M, consider the following: * **Self-Resonant Frequency (SRF)**: Ensure the operating frequency of your circuit is well below the SRF to maintain inductive behavior. * **Current Derating**: If the ambient temperature is high, reduce the maximum current to prevent overheating. * **Magnetic Coupling**: Despite being shielded, avoid placing high-power traces directly underneath the inductor to prevent crosstalk.