The part number **HTX-16V151MF80-R2** refers to a high-performance **Aluminum Electrolytic Capacitor**. These components are specifically designed for high-temperature stability and low impedance, making them ideal for automotive and industrial power applications. --- ### 1. Technical Specifications The part number can be broken down into specific electrical and physical parameters: | Parameter | Value | Description | |:---|:---|:---| | **Capacitance** | 150 µF | The charge storage capacity (151 code). | | **Voltage Rating** | 16 V | Maximum DC voltage the part can handle. | | **Series** | HTX | High temperature, low ESR series. | | **Case Size** | Φ6.3 x 8.0 mm | Diameter x Length (M-size code). | | **Tolerance** | ±20% (M) | Standard industry tolerance for electrolytics. | | **Temperature** | -40°C to +125°C | Rated for extreme environments. | | **Endurance** | ~2,000 to 5,000 hrs | Life span at maximum rated temperature. | --- ### 2. Physical Construction As an **SMD (Surface Mount Device)** type capacitor, its construction includes: * **Anode/Cathode:** Aluminum foil separated by an electrolyte-soaked paper. * **Case:** Cylindrical aluminum "can." * **Base Plate:** A plastic vibration-resistant platform for SMD soldering. * **Terminals:** Lead-free (RoHS compliant) tinned contacts. --- ### 3. Key Features & Applications The **HTX series** is characterized by its ability to maintain a low **Equivalent Series Resistance (ESR)** even at high temperatures. #### Typical Use Cases: 1. **Automotive Electronics:** Used in Engine Control Units (ECUs) and ADAS systems where engine heat is a factor. 2. **DC-DC Converters:** Smoothing output ripples in power supplies. 3. **LED Lighting:** Drivers that require long life under thermal stress. 4. **Telecommunications:** Infrastructure equipment exposed to outdoor environments. --- ### 4. Part Number Breakdown Logic Most manufacturers (like Lelon or similar vendors) use this naming convention: | Segment | Meaning | |:---|:---| | **HTX** | Product Series Name | | **16V** | Rated Working Voltage | | **151** | Capacitance Code (15 + 1 zero = 150) | | **M** | Tolerance (±20%) | | **F80** | Case Size Code (6.3x8mm) | | **R2** | Packaging Code (usually Tape & Reel) |