The **SWI0603F-R10K** is a surface-mount (SMD) wire-wound ceramic inductor. It is commonly used in high-frequency applications, such as RF (Radio Frequency) circuits, due to its high Q-factor and stable performance. ### 1. Part Number Breakdown The part number follows a standard industry nomenclature for passive components: | Segment | Meaning | Description | | :--- | :--- | :--- | | **SWI** | Series | Standard Wire-wound Inductor | | **0603** | Case Size | 0.6 x 0.3 inches (approx. 1.6 x 0.8 mm) | | **F** | Material | Ferrite or Ceramic core (F often denotes high frequency) | | **R10** | Inductance | R10 = 0.10 $\mu$H or **100 nH** | | **K** | Tolerance | **±10%** | --- ### 2. Technical Specifications Below are the typical electrical characteristics for this component: | Parameter | Value | | :--- | :--- | | **Inductance** | 100 nH (0.10 $\mu$H) | | **Tolerance** | ±10% | | **Core Material** | Ceramic / Wire-wound | | **DC Resistance (DCR)** | ~0.40 - 0.60 $\Omega$ (Typical) | | **Rated Current (max)** | ~400 mA | | **Self-Resonant Frequency (SRF)** | >1000 MHz | | **Quality Factor (Q)** | High Q (Typical > 30 at 100MHz) | --- ### 3. Key Features and Applications * **High Q Factor:** Because it is wire-wound, it offers significantly lower losses at high frequencies compared to multilayer inductors. * **Small Footprint:** The 0603 package is a standard size for modern PCB designs, balancing ease of assembly with space-saving. * **Common Uses:** * Matching circuits for RF antennas. * Low-noise amplifiers (LNAs). * Bluetooth and Wi-Fi modules. * Filtering high-frequency noise in communication devices. --- ### 4. Footprint and Soldering The component is designed for **SMT (Surface Mount Technology)**. ```markdown Land Pattern Recommendation (0603 Metric 1608): - Length: 1.6mm - Width: 0.8mm - Terminal: 0.3mm ``` ---