## SCI0603S-R26F: Electronic Component Specifications The **SCI0603S-R26F** is a surface-mount high-frequency wire-wound chip inductor. It is widely used in RF (Radio Frequency) circuits due to its excellent performance at high frequencies and small physical footprint. --- ### 1. Key Technical Specifications | Parameter | Specification | Notes | | :--- | :--- | :--- | | **Inductance** | 260 nH (0.26 µH) | Fixed value | | **Tolerance** | ±1% (F) | Extremely tight precision | | **Package Size** | 0603 (EIA) | 1.6mm x 0.8mm | | **Q Factor (Min)** | 25 | Measured at 100 MHz | | **Self-Resonant Freq (SRF)** | 900 MHz (Min) | Frequency limit for inductive behavior | | **DC Resistance (DCR)** | 1.30 Ω (Max) | Affects power loss and heat | | **Rated Current** | 230 mA (Max) | Maximum continuous current | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying the component's characteristics: * **SCI**: Series code (Wire-wound Chip Inductor). * **0603**: Package dimensions (0.06 x 0.03 inches). * **S**: Standard or specific designator for material/winding. * **R26**: Inductance value (R = decimal point; R26 = 0.26 µH or 260 nH). * **F**: Tolerance code (F = ±1%, G = ±2%, J = ±5%). --- ### 3. Features & Applications #### Features: * **High Precision:** The 1% tolerance makes it ideal for tuning and matching circuits where exact impedance is critical. * **Wire-Wound Construction:** Provides much higher Q-factors and lower DCR compared to multilayer ceramic inductors of the same size. * **Stable Performance:** Maintains inductance stability across a wide temperature range (typically -40°C to +125°C). #### Common Applications: 1. **RF Matching Networks:** Impedance matching for antennas in cellular phones or Wi-Fi modules. 2. **Filter Circuits:** Used in Band-Pass or Low-Pass filters for noise suppression. 3. **VCOs:** Voltage Controlled Oscillators requiring stable frequency references. 4. **Signal Isolation:** Decoupling RF signals from DC power lines. --- ### 4. Typical Footprint (Dimensions) ```text 0.8mm (W) <------> +----------+ ^ | | | 1.6mm (L) | | | +----------+ v (Top View) ```