The part number **HT-63V100MF61E-R2** refers to a specific **Aluminum Electrolytic Capacitor**. These components are essential for energy storage, filtering, and decoupling in electronic circuits. Below is a detailed breakdown of its specifications and technical attributes. --- ### 1. Technical Specifications Table | Parameter | Specification | Description | | :--- | :--- | :--- | | **Capacitance** | 100 µF | The amount of charge the capacitor can store. | | **Voltage Rating** | 63V | The maximum continuous operating DC voltage. | | **Mounting Type** | SMD (Surface Mount Device) | Designed for automated PCB soldering. | | **Case Size** | 6.3 x 7.7 mm (approx.) | The physical footprint (Diameter x Height). | | **Tolerance** | ±20% | The allowable deviation from nominal capacitance. | | **Temperature Range** | -55°C to +105°C | Operating environment limits. | | **Lifecycle** | 2000 - 5000 hours | Rated life at maximum operating temperature. | --- ### 2. Part Number Breakdown (Nomenclature) While naming conventions vary slightly by manufacturer (often **ChengX** or similar Asian manufacturers for this specific string), the code generally breaks down as follows: * **HT**: Series identifier (High Temperature or Low Impedance series). * **63V**: Voltage rating (63 Volts). * **100**: Capacitance value (100 Microfarads). * **M**: Tolerance code (M = ±20%). * **F61**: Case size code (Standardized dimensions for width/height). * **E-R2**: Packaging/Tape & Reel designation (usually indicates RoHS compliance and reel size). --- ### 3. Key Electronic Functions This specific capacitor is typically used for the following purposes: 1. **DC Filtering:** Smoothing out voltage ripples in power supplies, especially in 24V or 48V systems where a 63V rating provides a safe overhead. 2. **Decoupling:** Providing a local energy reservoir to prevent voltage drops when integrated circuits (ICs) demand sudden bursts of current. 3. **Coupling:** Passing AC signals while blocking DC components in audio or signal processing stages. --- ### 4. Comparison: Electrolytic vs. Ceramic In the context of this 100µF component: | Feature | Aluminum Electrolytic (HT-63V100) | Multi-Layer Ceramic (MLCC) | | :--- | :--- | :--- | | **Capacity** | High density for the price. | Expensive at 100µF/63V. | | **Polarity** | **Polarized** (must be installed correctly). | Non-polarized. | | **Stability** | Dries out over many years. | Very stable over time. | --- ### 5. Application Examples * **Industrial Automation:** Used in PLC (Programmable Logic Controller) power stages. * **Automotive Electronics:** Interior lighting modules or infotainment power rails. * **Telecommunications:** Base station power management where high voltage spikes may occur.