The part number **ECJ-RVC1H101K** refers to a Surface Mount Multilayer Ceramic Capacitor (MLCC) manufactured by **Panasonic**. This specific series is designed for automotive and high-reliability applications. --- ### 1. Technical Specifications | Parameter | Value | Description | | :--- | :--- | :--- | | **Capacitance** | 100 pF | Total charge storage capacity | | **Voltage (DC)** | 50V | Maximum continuous operating voltage | | **Tolerance** | ±10% | Variance from the nominal capacitance | | **Dielectric** | C0G (NPO) | Ultra-stable temperature characteristic | | **Case Size** | 0201 (0603 Metric) | Physical dimensions: 0.6mm x 0.3mm | | **Series** | ECJ | Panasonic Multilayer Ceramic Series | --- ### 2. Breakdown of the Part Number The alphanumeric code provides specific details about the component's construction: * **ECJ**: Panasonic Multilayer Ceramic Capacitor prefix. * **R**: Size code for **0201** (0.6 x 0.3 mm). * **VC**: Series variant (often indicating specific application or packaging standards). * **1H**: Rated Voltage code (1H = **50 Volts**). * **101**: Capacitance code. The first two digits (10) are the base, and the third (1) is the multiplier (10^1). So, $10 \times 10^1 = 100$ pF. * **K**: Capacitance tolerance code (**±10%**). --- ### 3. Key Features and Usage #### A. Dielectric Properties (C0G/NP0) This capacitor uses a **Class 1** dielectric. Unlike other materials (like X7R or Y5V), C0G is highly stable: * **Zero Drift:** Capacitance does not change significantly with temperature, frequency, or time. * **Low Loss:** Excellent for high-frequency circuits. #### B. Application Areas Due to its small 0201 footprint and 50V rating, it is commonly used in: 1. **RF Circuits:** Tuning and matching networks. 2. **Filtering:** High-frequency noise suppression in mobile devices. 3. **Automotive Electronics:** Sensors and control modules requiring high reliability. 4. **Decoupling:** Power supply pins for high-speed ICs. --- ### 4. Mounting & Soldering * **Footprint:** Requires precision SMT (Surface Mount Technology) equipment due to the 0201 size. * **Soldering:** Compatible with Reflow soldering; Wave soldering is generally not recommended for 0201 sizes due to the risk of "tombstoning."