The **HT-6V331MF80EQ-R2** is a surface-mount (SMD) aluminum electrolytic capacitor. This specific part number follows the standard nomenclature used by manufacturers like **Lelon** or **CapXon** for high-temperature, low-impedance series. ### 1. Technical Specifications | Parameter | Specification | Details | | :--- | :--- | :--- | | **Capacitance** | 330 µF | Energy storage capacity | | **Rated Voltage** | 6.3 VDC | Maximum continuous operating voltage | | **Tolerance** | ±20% (M) | Standard industry tolerance | | **Case Size** | 6.3 x 7.7 mm (F80) | Diameter (D) x Height (L) | | **Mounting Type** | SMD (V-Chip) | Surface mount technology | | **Temperature** | -55°C to +105°C | Operating temperature range | | **Packaging** | Tape & Reel (R2) | 13-inch or 15-inch reel packaging | --- ### 2. Breakdown of the Part Number The alphanumeric string can be decomposed to understand the component's characteristics: * **HT**: Series Code (High Temperature / Low Impedance series). * **6V**: Voltage Rating (6.3 Volts). * **331**: Capacitance Code (33 followed by 1 zero = 330µF). * **M**: Tolerance (±20%). * **F80**: Case Size Code (F = 6.3mm diameter; 80 = 7.7mm or 8.0mm height). * **EQ**: Specialized internal code (often refers to specific electrolyte or ROHS compliance). * **R2**: Packaging Code (Reel size/quantity). --- ### 3. Key Features and Applications This component is designed for high-density PCB environments where vertical space is limited but high capacitance is required. #### Features: * **Low ESR:** Designed to handle ripple current efficiently with low internal resistance. * **Vibration Resistance:** The SMD "V-Chip" design provides better mechanical stability on the PCB compared to radial leaded types. * **Reflow Soldering:** Compatible with lead-free (RoHS) reflow soldering profiles. #### Common Applications: 1. **DC-DC Converters:** Filtering input/output noise in power supplies. 2. **Consumer Electronics:** Used in motherboards, laptops, and peripheral devices. 3. **Telecommunications:** Power management in networking hardware. 4. **Automotive Infotainment:** General-purpose filtering in non-critical cabin electronics. --- ### 4. Dimensions and Footprint ```text Top View Side View _________ _________ / \ | | | 330 | | | <-- 7.7mm (L) | 6.3V | | | \_________/ |_________| | | _|_ _|_ <-- Solder Terminals 6.3mm (D) ```