The **FL160808-R22K** is a surface-mount (SMD) multilayer chip inductor, commonly used in high-frequency circuits and general signal processing. ### 1. Part Number Breakdown Understanding the nomenclature helps identify its physical and electrical characteristics: | Component Segment | Meaning | Detail | | :--- | :--- | :--- | | **FL** | Series Name | Multilayer Ferrite Chip Inductor | | **160808** | Dimensions | L: 1.6mm × W: 0.8mm × H: 0.8mm (EIA 0603) | | **R22** | Inductance Value | R represents a decimal; 0.22 µH (220 nH) | | **K** | Tolerance | ±10% | --- ### 2. Technical Specifications Below are the typical electrical parameters for this specific component: * **Inductance:** 0.22 µH (220 nH) * **Tolerance:** ±10% * **Case Size:** 0603 (Inch) / 1608 (Metric) * **Material:** Ferrite core with multilayer construction. * **Rated Current:** Typically between 150mA to 300mA (Manufacturer dependent). * **DC Resistance (DCR):** Low, usually < 0.50 Ω. * **Self-Resonant Frequency (SRF):** High, allowing use in MHz ranges. --- ### 3. Key Applications Because this is a multilayer ferrite inductor, it is optimized for high-density mounting and noise suppression. * **RF Matching:** Used in wireless communication modules (Bluetooth, Wi-Fi) for impedance matching. * **EMI Suppression:** Filtering high-frequency noise in digital signal lines. * **Mobile Electronics:** Ideal for smartphones and tablets due to the small 0603 footprint. * **Signal Decoupling:** Preventing AC signals from entering DC power rails. --- ### 4. Comparison: Multilayer vs. Wire-wound | Feature | Multilayer (FL160808) | Wire-wound | | :--- | :--- | :--- | | **Size** | Very small and low profile | Larger | | **Q-Factor** | Moderate | High | | **Cost** | Cost-effective for mass production | Generally higher | | **Shielding** | Naturally shielded by layers | May require external shielding |