### Overview of CW252016-R10J The **CW252016-R10J** is a surface-mount (SMD) wire-wound chip inductor. It is designed primarily for high-frequency applications where high Q-factors and stable inductance values are required. --- ### Technical Specifications | Parameter | Value | Details | | :--- | :--- | :--- | | **Inductance** | 0.10 µH (100 nH) | Measured at a specific test frequency (usually 25.2 MHz) | | **Tolerance** | ±5% | Indicated by the suffix **"J"** | | **Package Size** | 1008 (Inch) / 2520 (Metric) | Dimensions: 2.5mm x 2.0mm x 1.6mm | | **Material** | Wire-wound / Ceramic Core | Provides high resonance and low DC resistance | | **Self-Resonant Frequency** | ~450 MHz (Min) | The point where the component stops acting as an inductor | | **DC Resistance (DCR)** | ~0.44 Ω (Max) | Resistance of the copper wire winding | | **Rated Current** | ~400 mA | Maximum continuous current it can handle | --- ### Part Number Breakdown Understanding the nomenclature helps in identifying similar components: 1. **CW**: Series code (Wire-wound Chip Inductor). 2. **252016**: Physical dimensions (2.5mm length x 2.0mm width x 1.6mm height). 3. **R10**: Inductance value. "R" acts as a decimal point. `R10 = 0.10 µH`. 4. **J**: Tolerance code. `J = ±5%`, `K = ±10%`, `G = ±2%`. --- ### Key Applications * **RF Communications:** Used in cell phones, GPS receivers, and Wi-Fi modules for impedance matching and signal filtering. * **High-Frequency Circuits:** Ideal for oscillators and resonance circuits due to its high Q (Quality) factor. * **Broadband Systems:** Used in CATV and satellite equipment to manage signal integrity. --- ### Features and Benefits * **High Q Factor:** Offers low signal loss at high frequencies. * **Stable Performance:** The ceramic core ensures minimal inductance drift across temperature ranges. * **Solderability:** Features high resistance to soldering heat, making it suitable for standard reflow processes.