The **CS160808-R18K** is a surface-mount electronic component, specifically a **Chip Inductor**. It is widely used in high-frequency circuits for signal filtering and impedance matching. Below is a detailed breakdown of its specifications and characteristics. ### 1. General Specifications The part number follows a standard naming convention that defines its physical size and electrical properties. | Parameter | Specification | Description | | :--- | :--- | :--- | | **Component Type** | Multilayer Chip Inductor | Ceramic-based inductor for high-frequency use. | | **Inductance** | 0.18 µH (180 nH) | The "R18" in the suffix denotes 0.18. | | **Tolerance** | ±10% | Indicated by the "K" at the end of the part number. | | **Package Size** | 0603 (EIA) / 1608 (Metric) | Measures approximately 1.6mm x 0.8mm. | | **Mounting Type** | SMD/SMT | Surface Mount Technology. | --- ### 2. Physical Dimensions The "160808" portion of the part number refers to the metric dimensions of the component body. * **Length:** 1.6 mm * **Width:** 0.8 mm * **Thickness:** 0.8 mm --- ### 3. Electrical Characteristics While specific values can vary slightly by manufacturer (such as Bourns or Taiyo Yuden), the standard characteristics for an R18K inductor in this footprint are: * **Quality Factor (Q):** Typically high (25-30+) at specific frequencies (e.g., 25 MHz), making it efficient for RF applications. * **Self-Resonant Frequency (SRF):** Usually above 400-500 MHz. * **DC Resistance (DCR):** Low resistance (typically < 0.50 Ω) to minimize power loss. * **Rated Current:** Generally handles between 100mA and 300mA depending on the specific series. --- ### 4. Common Applications Due to its small size and high-frequency performance, the CS160808-R18K is commonly found in: 1. **Mobile Devices:** Cellular phones and tablets for signal processing. 2. **RF Modules:** Bluetooth, Wi-Fi, and LC resonant circuits. 3. **EMI Suppression:** Filtering high-frequency noise in data lines. 4. **Impedance Matching:** Ensuring maximum power transfer between RF stages. --- ### 5. Identification Code Breakdown | Part Segment | Meaning | | :--- | :--- | | **CS** | Series Code (Chip Inductor) | | **160808** | Dimensions (1.6 x 0.8 x 0.8 mm) | | **R18** | Inductance Value (R = decimal point; 0.18 µH) | | **K** | Tolerance Code (K = ±10%) |