The part number **02011K8R2ABSTR** refers to a high-precision surface-mount capacitor, typically manufactured by **AVX (Kyocera AVX)**. This specific component is part of their Thin-Film technology series, designed for high-frequency RF applications. ### 1. Part Number Breakdown The alphanumeric code follows a specific taxonomy used by electronic component manufacturers: | Segment | Code | Meaning | | :--- | :--- | :--- | | **Size** | `0201` | Case size (0.02 x 0.01 inches / 0.6 x 0.3 mm) | | **Voltage** | `1` | Rated for **100 Volts** | | **Series** | `K` | Accu-P (High-performance Thin-Film) | | **Capacitance** | `8R2` | **8.2 pF** (R acts as a decimal point) | | **Tolerance** | `A` | **±0.05 pF** (Ultra-tight tolerance) | | **Termination** | `B` | Sn100 (Lead-Free / RoHS compliant) | | **Packaging** | `STR` | Tape & Reel (Standard 7" reel) | --- ### 2. Key Technical Specifications The **02011K8R2ABSTR** belongs to the **Accu-P®** series, which utilizes thin-film technology rather than traditional multilayer ceramic (MLCC) methods. * **Capacitance:** 8.2 picofarads (pF). * **Voltage Rating:** 100V DC. * **Tolerance:** ±0.05 pF (This is extremely precise, vital for tuning circuits). * **Temperature Coefficient:** 0 ± 30 ppm/°C (highly stable across temperatures). * **Operating Temperature:** -55°C to +125°C. --- ### 3. Core Features and Applications Thin-film capacitors like this one are engineered for circuits where signal integrity is the highest priority. #### Why use Thin-Film (Accu-P)? * **Low ESR/ESL:** It has very low Equivalent Series Resistance and Inductance, reducing signal loss. * **High Q Factor:** Offers high efficiency at microwave frequencies. * **High SRF:** The Self-Resonant Frequency is much higher than standard MLCCs. #### Typical Applications * **RF/Microwave Signal Filtering:** Used in wireless base stations and satellite communications. * **Impedance Matching:** Crucial for power amplifiers in smartphones and tablets. * **VCO/Synthesizers:** Used in voltage-controlled oscillators to maintain stable frequencies. --- ### 4. Physical Dimensions (Metric 0603) | Dimension | Measurement (mm) | Measurement (inches) | | :--- | :--- | :--- | | **Length (L)** | 0.60 ± 0.05 | 0.024 ± 0.002 | | **Width (W)** | 0.325 ± 0.05 | 0.013 ± 0.002 | | **Thickness (T)**| 0.225 ± 0.05 | 0.009 ± 0.002 | ---