The **HTK-63V100MF61BN-R2** is a high-performance surface-mount (SMD) aluminum electrolytic capacitor. It belongs to the **HTK series**, which is characterized by its "High Temperature" and "Low ESR" capabilities, typically used in automotive and industrial power applications. --- ### 1. Technical Specifications | Parameter | Specification | | :--- | :--- | | **Capacitance** | 100 µF | | **Voltage Rating** | 63 V DC | | **Capacitance Tolerance** | ±20% (at 120Hz, 20°C) | | **Operating Temperature** | -55°C to +125°C | | **Endurance/Life** | 2,000 to 5,000 hours (at 125°C) | | **Case Size (Diameter x L)** | 6.3 mm x 6.1 mm (Approx.) | | **Mounting Type** | Surface Mount (SMD) | --- ### 2. Key Features and Construction * **Hybrid/High-Reliability Electrolyte:** The HTK series often utilizes a specialized electrolyte designed to handle extreme temperature fluctuations without significant drying or degradation. * **Low ESR (Equivalent Series Resistance):** This allows the capacitor to handle higher ripple currents and improve efficiency in high-frequency switching circuits. * **AEC-Q200 Compliance:** Parts with this numbering scheme are frequently automotive-grade, meaning they are tested for high vibration resistance and thermal shock. * **Reflow Solder Compatible:** Designed for automated assembly lines using lead-free reflow soldering processes. --- ### 3. Part Number Breakdown (Typical) While manufacturers vary slightly, the code can generally be interpreted as follows: | Segment | Meaning | | :--- | :--- | | **HTK** | Series Name (High Temperature/Low ESR) | | **63V** | Rated Voltage (63 Volts) | | **100** | Capacitance (100 Microfarads) | | **MF61** | Case Size Code (6.3mm diameter class) | | **BN-R2** | Packaging/Taping Code (Tape & Reel) | --- ### 4. Common Applications 1. **Automotive Electronics:** Power steering units, LED lighting drivers, and Engine Control Units (ECUs). 2. **DC-DC Converters:** Filtering input/output noise in compact power supplies. 3. **Industrial Automation:** Sensors and controllers exposed to high ambient heat. 4. **Telecommunications:** Base station power modules.