The part number **HT-50V680MG10-R2** refers to a **Surface Mount (SMT) Aluminum Electrolytic Capacitor**. This component is designed for energy storage, filtering, and decoupling in electronic circuits. Below is a detailed breakdown of its specifications and technical characteristics. ### 1. Technical Specifications | Parameter | Value | Description | | :--- | :--- | :--- | | **Capacitance** | 68 µF | The amount of charge the capacitor can store. | | **Voltage Rating** | 50V | The maximum DC voltage the part can handle safely. | | **Tolerance** | ±20% (M) | The allowable variance from the nominal capacitance. | | **Mounting Type** | Surface Mount (SMT) | Also known as "V-Chip" style for automated assembly. | | **Case Size (DxL)** | 10mm x 10.2mm | Physical dimensions (Diameter x Height). | | **Temperature Range** | -55°C to +105°C | Operating thermal limits. | | **Series** | HT | Often denotes High Temperature or Low Impedance. | --- ### 2. Part Number Breakdown Deciphering the alphanumeric code helps in understanding the manufacturer's logic: * **HT**: Series designation (Standard or Low ESR high-temperature series). * **50V**: Rated Working Voltage (50 Volts DC). * **680**: Capacitance code. The "68" represents the significant digits, and "0" is the multiplier (68 x 10^0 = 68µF). * **M**: Tolerance code (M = ±20%). * **G10**: Case size code (G usually refers to a 10mm diameter; 10 refers to the height). * **R2**: Packaging suffix (typically refers to Tape & Reel packaging for pick-and-place machines). --- ### 3. Physical Construction This capacitor is an **Aluminum Electrolytic** type, which consists of: 1. **Anode Foil:** High-purity aluminum with an oxide layer acting as the dielectric. 2. **Electrolyte:** A liquid or gel-like conductive substance. 3. **Cathode Foil:** A second layer of aluminum foil. 4. **SMD Base:** A plastic "seat" that allows the cylindrical part to be soldered onto a flat PCB. --- ### 4. Common Applications Due to its 50V rating and 68µF capacity, this part is commonly found in: * **DC-DC Converters:** Filtering input/output noise. * **Power Supplies:** Smoothing rectified AC voltage. * **Automotive Electronics:** Used in modules requiring durability up to 105°C. * **Consumer Electronics:** General purpose decoupling in audio or video equipment. ---