### Analysis of Part Number: 0402YK8R2ABSTR The part number **0402YK8R2ABSTR** corresponds to a high-precision, thin-film surface mount capacitor manufactured by **AVX (Kyocera AVX)**. This specific series is part of the **Accu-P®** line, which is designed for high-frequency (RF and Microwave) applications. --- ### Technical Specification Table | Feature | Specification | Description | | :--- | :--- | :--- | | **Case Size** | 0402 | 0.04 x 0.02 inches (1.0 x 0.5 mm) | | **Series** | Accu-P® | High-precision Thin-Film technology | | **Capacitance** | 8.2 pF | 8.2 Picofarads | | **Tolerance** | ±0.05 pF | Extremely tight tolerance (Code: A) | | **Voltage Rating** | 16V | Rated DC working voltage (Code: Y) | | **Temperature Coeff.** | 0 ± 30 ppm/°C | Ultra-stable over temperature (Code: K) | | **Termination** | Sn/Pb (Solder) | Lead-free options available (Check suffix) | | **Packaging** | Tape & Reel | Standard SMT packaging (Code: TR) | --- ### Part Number Breakdown The alphanumeric string can be decoded as follows: 1. **0402**: Size code (Imperial measurements). 2. **Y**: Voltage rating (16V). 3. **K**: Temperature coefficient (Ultra-stable). 4. **8R2**: Capacitance value. "R" acts as the decimal point (8.2 pF). 5. **A**: Tolerance. ±0.05 pF (Standard for high-precision RF caps). 6. **B**: Low ESR/High Q characteristics. 7. **STR**: Packaging code (Standard Tape and Reel). --- ### Key Applications & Features * **RF Performance:** Because it uses thin-film technology rather than standard multilayer ceramic (MLCC) construction, it offers much higher **Q (Quality Factor)** and lower **ESR (Equivalent Series Resistance)** at Gigahertz frequencies. * **Precision Tuning:** The ±0.05 pF tolerance is critical for impedance matching circuits, filters, and oscillators where even slight variations can cause signal degradation. * **Typical Uses:** * Cellular base stations. * Satellite communications. * GPS and Wireless LAN (Wi-Fi) modules. * RF Power Amplifiers. --- ### Example SMT Land Pattern (Recommended) ```markdown [Pad] [Pad] +-------+ +-------+ | | <--- | | | 0.6mm | Gap | 0.6mm | | | 0.5mm | | +-------+ +-------+ ```