The part number **HT-16V151MF80N-R2** refers to a specific Surface Mount (SMD) Aluminum Electrolytic Capacitor. These components are used for energy storage, filtering, and decoupling in electronic circuits. ### 1. Part Number Breakdown While naming conventions vary slightly by manufacturer, the code generally follows this logic: | Segment | Meaning | Specification | | :--- | :--- | :--- | | **HT** | Series Code | High Temperature / Low Impedance Series | | **16V** | Voltage Rating | 16 Volts (DC) | | **151** | Capacitance Code | 150 µF (15 + one zero) | | **MF80** | Case Size | Often corresponds to 6.3mm x 7.7mm or 8mm size | | **N** | Tolerance | Typically ±20% | | **R2** | Packaging | Tape and Reel (for automated SMT assembly) | --- ### 2. Technical Specifications Based on the standard parameters for this class of capacitor: * **Capacitance:** 150 microfarads (µF). * **Rated Voltage:** 16V DC (The maximum continuous voltage it can handle). * **Mounting Type:** SMD/SMT (Surface Mount Technology), "V-chip" style. * **Operating Temperature:** Usually rated up to **105°C**, making it suitable for industrial or automotive environments. * **Polarity:** Polarized (Has a designated positive and negative terminal). --- ### 3. Key Applications This specific capacitor is commonly found in the following scenarios: 1. **Power Supply Filtering:** Smoothing out ripples in DC-DC converters or linear regulators. 2. **Decoupling:** Providing a local energy reservoir for integrated circuits (ICs) to prevent voltage drops. 3. **Consumer Electronics:** Used in motherboards, routers, and display panels where space is limited and SMD assembly is required. 4. **Audio Circuits:** Used for DC blocking or coupling in low-voltage audio paths. --- ### 4. Physical Characteristics * **Construction:** Consists of an aluminum can, an electrolyte liquid/gel, and a plastic base for SMT soldering. * **Marking:** The top of the capacitor usually features a black or colored half-moon mark indicating the **Negative (-)** terminal. * **Reflow Soldering:** Designed to withstand the high temperatures of infrared or convection reflow ovens during PCB assembly. ---