The **SCI1008S-R24KF** is a high-frequency, surface-mount (SMD) wire-wound ceramic chip inductor. These components are primarily used in RF (Radio Frequency) circuits due to their high precision and stability at high frequencies. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify the specific characteristics of the component: | Segment | Meaning | Value | | :--- | :--- | :--- | | **SCI** | Series Name | Standard Chip Inductor | | **1008** | Case Size | 1008 (Metric 2520) - 2.5mm x 2.0mm | | **S** | Material/Process | Standard / Wire-wound Ceramic Core | | **R24** | Inductance Value | **0.24 µH** (240 nH) | | **K** | Tolerance | **±10%** | | **F** | Termination | Lead-Free (RoHS Compliant) | --- ### 2. Technical Specifications The following table summarizes the typical electrical performance for this specific part: | Parameter | Value | | :--- | :--- | | **Inductance** | 240 nH (0.24 µH) | | **Tolerance** | ±10% | | **Quality Factor (Q min)** | 45 @ 100 MHz | | **Self-Resonant Frequency (SRF)** | ~500 MHz (Minimum) | | **DC Resistance (DCR max)** | 0.50 - 1.00 Ω (Typical) | | **Rated Current (Idc)** | ~400 - 500 mA | | **Operating Temperature** | -40°C to +125°C | --- ### 3. Key Features * **Ceramic Core:** Unlike ferrite cores, ceramic cores do not saturate and provide excellent stability across a wide temperature range. * **Wire-Wound Construction:** This design offers significantly higher Q (Quality Factor) and lower DCR (DC Resistance) compared to multilayer inductors. * **High Resonance:** The high SRF makes it ideal for filtering and matching applications in communication devices. --- ### 4. Common Applications The SCI1008 series is widely used in: 1. **RF Matching:** Tuning circuits for antennas in Wi-Fi, Bluetooth, and cellular modules. 2. **Signal Filtering:** Low-pass or band-pass filters in high-frequency signal paths. 3. **Local Oscillators:** Frequency stabilization in RF oscillators. 4. **Decoupling:** Filtering high-frequency noise in power supply lines for sensitive RF ICs.