The part number **HT-25V561MHC5EQ-R2** refers to a high-performance **Aluminum Electrolytic Capacitor**. These components are essential for energy storage, filtering, and stabilization in electronic circuits. Below is a detailed breakdown of its technical specifications and characteristics. ### 1. Technical Specifications Breakdown | Parameter | Specification | Description | | :--- | :--- | :--- | | **Capacitance** | 560 µF | The amount of charge the capacitor can store. | | **Voltage Rating** | 25V | The maximum DC voltage the component can handle safely. | | **Type** | Hybrid/Electrolytic | Typically refers to a Polymer Hybrid or High-Temp Electrolytic. | | **Tolerance** | ±20% (M) | The allowable variance from the rated capacitance. | | **Case Size** | HC5 | Refers to the physical dimensions (Diameter x Length). | | **Mounting Type** | SMD (Surface Mount) | Designed for automated PCB soldering. | | **Packaging** | R2 | Indicates Tape and Reel packaging for high-volume assembly. | --- ### 2. Key Components & Construction The "HT" prefix generally stands for **High Temperature**, indicating that this capacitor is designed for demanding thermal environments. * **Anode/Cathode:** Uses aluminum foil with an oxide layer as the dielectric. * **Electrolyte:** In high-end series like this, a solid polymer or a liquid/polymer hybrid electrolyte is often used to provide lower ESR (Equivalent Series Resistance). * **Case Material:** Cylindrical aluminum "can" with a plastic platform for SMD stability. ### 3. Application Areas Because of its specific voltage and capacitance rating, this part is commonly found in: 1. **Automotive Electronics:** Power management for sensors and infotainment systems. 2. **DC-DC Converters:** Smoothing output voltage and reducing ripple current. 3. **Industrial Power Supplies:** Providing stable bulk capacitance in small form factors. 4. **Consumer Electronics:** High-efficiency LED drivers and telecommunication hardware. --- ### 4. Part Number Decoding Logic * **HT:** Series Code (High Temperature / Low Impedance). * **25V:** Working Voltage (25 Volts). * **561:** Capacitance Code (56 + 1 zero = 560µF). * **M:** Tolerance code (±20%). * **HC5:** Physical Case Size code. * **EQ-R2:** Lead-free/RoHS compliance and reel packaging specification.