## Technical Overview of CT1210LSCF-R47K The **CT1210LSCF-R47K** is a surface-mount (SMD) wire-wound chip inductor designed for high-frequency applications. It belongs to the 1210 size category, which refers to its physical dimensions (3.2mm x 2.5mm). --- ### Key Specifications Below is a breakdown of the primary electrical and physical characteristics: | Parameter | Value | Details | | :--- | :--- | :--- | | **Inductance** | 0.47 µH | Measured at 25.2 MHz | | **Tolerance** | ±10% | Indicated by the "K" suffix | | **Case Size** | 1210 (3225 Metric) | 3.2 x 2.5 x 2.2 mm | | **Rated Current** | ~450 mA | Maximum continuous current | | **DC Resistance (DCR)** | 0.35 Ω (Max) | Resistance of the wire coil | | **SRF (Self Resonant Freq)** | 350 MHz | Frequency where it stops behaving as an inductor | | **Core Material** | Ceramic | High stability at high frequencies | --- ### Component Features 1. **Wire-Wound Construction**: Unlike multilayer inductors, this part uses a physical wire wound around a ceramic core. This provides a higher **Q-factor** (Quality Factor) and better current handling. 2. **Ceramic Core**: Provides excellent thermal stability and very low parasitic capacitance, making it ideal for RF (Radio Frequency) filtering. 3. **Low Profile**: The 1210 footprint is standard for modern PCB assembly using automated pick-and-place machines. --- ### Common Applications * **RF Tuning**: Used in resonance circuits for wireless communication. * **Signal Filtering**: Removing high-frequency noise from signal lines. * **Decoupling**: Preventing high-frequency interference from affecting power rails. * **Telecommunications**: Found in mobile devices, routers, and base stations. --- ### Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **CT** | Series Identifier (Central Technologies) | | **1210** | Physical Size (0.12 x 0.10 inches) | | **LS** | Low Profile / Standard Series | | **CF** | Ceramic Core / Lead-Free (RoHS) | | **R47** | Inductance Value (0.47 µH) | | **K** | Tolerance (±10%) |