The part number **HTX-50V151MHC5XQ-R2** refers to a high-performance **Aluminum Electrolytic Capacitor**. These components are specifically designed for high-reliability applications, often featuring low impedance and high temperature resistance. Below is a detailed breakdown of the electronic specifications and characteristics. ### 1. Technical Specifications Breakdown | Parameter | Specification | Description | | :--- | :--- | :--- | | **Series** | HTX | High temperature, low ESR series. | | **Capacitance** | 150 µF | The amount of charge the capacitor can store. | | **Voltage Rating** | 50V | The maximum continuous DC voltage allowed. | | **Tolerance** | ±20% (M) | The allowable variance from the nominal capacitance. | | **Temperature Range** | -55°C to +125°C | Typical range for high-spec automotive/industrial parts. | | **Mounting Type** | SMD (V-Chip) | Surface-mount design for automated PCB assembly. | | **Case Size (DxL)** | 8 x 10.5 mm (HC5) | Physical dimensions (Diameter x Length). | --- ### 2. Part Number Decoder Analyzing the alphanumeric string provides insight into the manufacturer's logic: * **HTX**: Indicates the specific product series (usually focused on long life and high heat). * **50V**: Rated Voltage (50 Volts). * **151**: Capacitance code ($15 \times 10^1 = 150 \mu F$). * **M**: Tolerance code (Standard $\pm 20\%$). * **HC5**: Case size code (often specific to 8mm diameter). * **XQ**: Internal manufacturing or material code (e.g., electrolyte type). * **R2**: Packaging code (likely Tape & Reel for automated assembly). --- ### 3. Key Electronic Features * **Low ESR (Equivalent Series Resistance):** This capacitor is designed to minimize energy loss as heat, making it efficient for high-frequency switching power supplies. * **High Ripple Current:** It can handle significant AC current superimposed on the DC signal without overheating. * **Automotive Grade (AEC-Q200):** Most parts in this series are qualified for automotive use, meaning they resist vibration and thermal shock better than standard consumer capacitors. ### 4. Typical Applications 1. **DC-DC Converters:** Filtering input/output noise in power modules. 2. **Automotive Electronics:** Used in Engine Control Units (ECUs) or ADAS systems due to the 125°C rating. 3. **Industrial Power Supplies:** Smoothing voltage in rugged environments. ---