The part number **HT-35V271MH10EXQ-R2** refers to a high-temperature, surface-mount (SMD) aluminum electrolytic capacitor. Below is a detailed breakdown of its specifications and electronic characteristics. --- ### 1. Part Number Breakdown The nomenclature typically follows standard industry conventions for electrolytic capacitors: | Segment | Value | Meaning | | :--- | :--- | :--- | | **HT** | Series | High Temperature / Low Impedance series | | **35V** | Voltage | Rated Working Voltage (35 Volts DC) | | **271** | Capacitance | 270µF (27 + 1 zero) | | **M** | Tolerance | ±20% | | **H10** | Case Size | Refers to Diameter x Length (e.g., 8x10mm or 10x10mm) | | **EXQ-R2** | Packaging/Special | RoHS compliant, Taped & Reeled | --- ### 2. Technical Specifications This component is designed for power management and filtering in demanding environments. | Parameter | Specification | | :--- | :--- | | **Capacitance** | 270 µF | | **Voltage Rating** | 35 VDC | | **Tolerance** | ±20% (M) | | **Mounting Type** | Surface Mount Device (SMD/V-Chip) | | **Operating Temp** | -55°C to +105°C (standard for HT series) | | **Endurance** | Typically 2,000 to 5,000 hours at 105°C | --- ### 3. Key Electronic Features * **Low ESR/Impedance:** Designed to minimize energy loss and heat generation during high-frequency switching. * **Ripple Current Handling:** Built to withstand significant AC ripple currents common in DC-DC converters. * **Vibration Resistance:** The "V-Chip" construction provides mechanical stability on PCBs compared to through-hole radial leads. * **Polarity:** As an electrolytic capacitor, it is **polarized**. The negative terminal is usually marked with a black or colored band on the top of the casing. --- ### 4. Common Applications Due to its 35V rating and 270µF capacity, this part is frequently found in: 1. **Automotive Electronics:** Infotainment systems and ECU power filtering. 2. **Industrial Power Supplies:** Output filtering for 12V or 24V rails. 3. **LED Drivers:** Smoothing the current to prevent flickering. 4. **Telecommunications:** DC-DC converter modules. ---