The part number **HT-35V680MF80Q-R2** refers to a specific **Aluminum Electrolytic Capacitor**. These components are widely used in power management and filtering applications due to their high capacitance-to-volume ratio. Below is a detailed breakdown of the technical specifications based on the alphanumeric code. --- ## Technical Specifications Breakdown | Feature | Specification | Description | | :--- | :--- | :--- | | **Series** | HT | High Temperature / Low Impedance series. | | **Voltage Rating** | 35V | The maximum working DC voltage. | | **Capacitance** | 680µF | 680 microfarads (Energy storage capacity). | | **Tolerance** | ±20% (M) | Standard industry tolerance for electrolytic capacitors. | | **Package/Case** | F80 | Refers to physical dimensions (likely 8x10.5mm or similar). | | **Mounting Type** | SMD/SMT | Surface Mount Device (V-Chip type). | | **Packaging** | R2 | Tape & Reel (R) with a specific reel size or quantity (2). | --- ## Key Characteristics ### 1. Construction This is a **V-Chip (Vertical Chip)** aluminum electrolytic capacitor. It features a cylindrical aluminum can mounted on a plastic base (seat) designed for automated SMT assembly on Printed Circuit Boards (PCBs). ### 2. Performance Factors * **Low ESR (Equivalent Series Resistance):** The "HT" series is generally optimized for low impedance, making it efficient at filtering high-frequency noise. * **Temperature Rating:** These are typically rated for **-55°C to +105°C**, ensuring stability in industrial or automotive environments. * **Load Life:** Usually rated between 2,000 to 5,000 hours at its maximum rated temperature. ### 3. Application Areas * **DC-DC Converters:** Used for smoothing output voltage. * **Power Supplies:** Filtering ripple current in switching regulators. * **Consumer Electronics:** Used in LED drivers, telecommunications equipment, and motherboards. --- ## Visual & Physical Dimensions (Typical) | Dimension | Value (Approximate) | | :--- | :--- | | **Diameter (D)** | 8.0 mm | | **Height (L)** | 10.2 mm - 10.5 mm | | **Footprint** | 8.3 mm x 8.3 mm | > **Note:** Always verify the specific manufacturer's datasheet (e.g., Lelon, CapXon, or Nichicon) as "HT" series nomenclature can vary slightly between brands, though the "35V680" consistently identifies it as a 35-volt, 680-microfarad component.