The **CS160808-R82K** is a surface-mount (SMD) multilayer chip inductor. It is commonly used in high-frequency circuits for noise filtering, signal processing, and impedance matching. Below is a breakdown of its technical characteristics and part numbering logic. ### 1. Part Number Breakdown The part number follows a standardized nomenclature used by manufacturers like Bourns or Samsung Electro-Mechanics. | Segment | Meaning | Details | | :--- | :--- | :--- | | **CS** | Series Type | Chip Inductor (Standard/Multilayer) | | **160808** | Case Size | Dimensions in mm (1.6 x 0.8 x 0.8 mm) | | **R82** | Inductance Value | R represents decimal point. 0.82 µH (820 nH) | | **K** | Tolerance | ±10% | --- ### 2. Technical Specifications These parts are designed for high-density mounting and offer excellent magnetic shielding. | Parameter | Typical Value | | :--- | :--- | | **Inductance** | 0.82 µH | | **Tolerance** | ±10% | | **Package Size (EIA)** | 0603 (Inches) | | **Package Size (Metric)** | 1608 (1.6mm x 0.8mm) | | **DC Resistance (DCR)** | ~0.60 Ω (Max) | | **Rated Current** | ~100 mA - 150 mA | | **Self-Resonant Frequency** | ~80 MHz | | **Material** | Ceramic/Ferrite Multilayer | --- ### 3. Key Features * **Monolithic Structure:** Provides high reliability and stability across a wide temperature range. * **Magnetic Shielding:** The multilayer construction creates a closed magnetic circuit, minimizing crosstalk and electromagnetic interference (EMI). * **Solderability:** Features nickel barrier terminations with a tin overcoat, making it compatible with both flow and reflow soldering. * **Miniaturization:** The 0603 footprint is ideal for compact consumer electronics like smartphones and tablets. ### 4. Common Applications 1. **RF Circuits:** Used in impedance matching and resonance circuits for Bluetooth, Wi-Fi, and cellular modules. 2. **EMI Suppression:** Filtering high-frequency noise in power supply lines. 3. **Signal Integrity:** Preventing signal distortion in high-speed data lines. ---