The part number **04023K8R2DBSTR\500** refers to a high-frequency Thin-Film Capacitor manufactured by **AVX (Kyocera AVX)**. This component belongs to the **Accu-P®** series, which is specifically designed for high-precision RF and microwave applications. --- ## Technical Specifications Breakdown The alphanumeric code provides detailed information about the component's physical and electrical characteristics: | Code Segment | Meaning | Description | | :--- | :--- | :--- | | **0402** | Case Size | EIA 0402 (approx. 1.0mm x 0.5mm) | | **3** | Voltage Rating | 25 Volts DC | | **K** | Dielectric Type | Thin-Film / RF Grade | | **8R2** | Capacitance Value | 8.2 pF (R represents the decimal point) | | **D** | Tolerance | ± 0.5 pF (Very tight tolerance) | | **B** | Termination | Nickel/Solder (Sn/Pb) | | **STR** | Packaging | Standard Tape & Reel | | **\500** | Reel Quantity | 500 pieces per reel | --- ## Key Features & Construction ### 1. Thin-Film Technology Unlike standard multilayer ceramic capacitors (MLCCs) which use stacked layers, **Accu-P** capacitors use a thin-film deposition process. This results in: * **High Precision:** Extremely tight tolerance control. * **Repeatability:** Consistent performance across different production batches. * **Low Parasitics:** Reduced Equivalent Series Inductance (ESL) and Resistance (ESR). ### 2. RF Performance This part is optimized for high-frequency circuits. It maintains a high **Q-factor** (Quality Factor), meaning it has very low energy loss at frequencies ranging from 400 MHz to several GHz. --- ## Typical Applications Due to its precision and high-frequency stability, this part is commonly used in: * **Mobile Communications:** Power amplifiers and filter networks. * **Satellite Technology:** Low-noise blocks (LNB) and signal processing. * **GPS/Wireless LAN:** Matching networks and high-frequency coupling. * **Medical Equipment:** High-resolution imaging and RF sensors. --- ## Comparative Analysis | Feature | Thin-Film (04023K...) | Standard MLCC (C0G/NP0) | | :--- | :--- | :--- | | **Tolerance** | Very Tight (±0.05pF to ±0.5pF) | Standard (±1% to ±5%) | | **High Freq Stability** | Excellent | Good | | **Price** | Higher | Lower | | **Consistency** | Highly Uniform | Variable | ---