The part number **HT-25V561MHC5XN-R2** refers to a high-performance **Aluminum Electrolytic Capacitor**. These components are essential for energy storage, filtering, and smoothing power in electronic circuits. ### 1. Technical Specifications Breakdown The alphanumeric code provides specific details regarding the component's performance characteristics: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Capacitance** | 560 µF (Microfarads) | Indicated by "561" (56 x 10^1) | | **Voltage Rating** | 25V | The maximum DC voltage the part can handle | | **Tolerance** | ±20% | Indicated by "M" (Standard for electrolytics) | | **Mounting Type** | SMD (Surface Mount) | V-Chip construction for PCB mounting | | **Temperature Range** | -55°C to +105°C | Designed for standard and industrial use | | **Packaging** | Tape & Reel | Indicated by "R2" for automated assembly | --- ### 2. Key Features * **Low ESR:** Designed for low Equivalent Series Resistance, which reduces heat generation and improves efficiency in high-frequency applications. * **Long Life:** Usually rated for 2,000 to 5,000 hours at its maximum temperature (105°C). * **Reflow Soldering Compatible:** Built to withstand the high temperatures of SMD reflow ovens. --- ### 3. Common Applications These capacitors are typically found in power management stages of various devices: 1. **DC-DC Converters:** Used to smooth output voltage ripples. 2. **Consumer Electronics:** Found in LED drivers, routers, and flat-screen televisions. 3. **Automotive Electronics:** Used in infotainment systems or non-safety critical sensor modules. 4. **Telecommunications:** Filtering power lines in base stations or switching equipment. --- ### 4. Circuit Symbol and Polarity Like most electrolytic capacitors, this part is **polarized**. * **Positive (+) Terminal:** Usually unmarked on the PCB footprint but requires correct orientation. * **Negative (-) Terminal:** Indicated by a black or colored stripe on the top of the cylindrical "can." ```text Polarized Capacitor Symbol + | | - --| |-- | | ```