The part number **RVR-35V101MF80UN-R2** refers to an Aluminum Electrolytic Capacitor, specifically designed for Surface Mount (SMD) applications. This component is typically manufactured by ELNA (or similar high-quality passive component manufacturers) and is part of a low-impedance or vertical chip series. --- ### 1. Specification Breakdown The alphanumeric code provides specific details regarding the component's electrical and physical properties: | Segment | Meaning | Specification | | :--- | :--- | :--- | | **RVR** | Series Code | Low impedance, long life, or vertical chip type | | **35V** | Rated Voltage | **35 Volts DC** (Maximum operating voltage) | | **101** | Capacitance | **100 µF** (10 followed by 1 zero, in picofarads) | | **M** | Tolerance | **±20%** (Standard for electrolytic caps) | | **F80** | Case Size | Refers to dimensions (typically **6.3mm x 7.7mm**) | | **UN** | Packaging/Special | High-temperature or specific terminal plating | | **R2** | Taping | **Tape & Reel** (Standard for automated pick-and-place) | --- ### 2. Key Technical Features * **Capacitance:** 100 microfarads (µF). * **Voltage Rating:** 35V DC (Suitable for 12V or 24V power rails). * **Form Factor:** SMD (Surface Mount Device), V-Chip style. * **Polarity:** Polarized (Has a specific negative/positive orientation). * **Temperature Range:** Generally rated for **-40°C to +105°C**, making it suitable for industrial use. --- ### 3. Common Applications These capacitors are used in power management circuits where space is limited but high reliability is required: 1. **DC-DC Converters:** Filtering input and output noise. 2. **Automotive Electronics:** Used in infotainment and control modules due to vibration resistance. 3. **Consumer Electronics:** Motherboards, chargers, and LED drivers. 4. **Telecommunications:** Signal coupling and decoupling in base stations. --- ### 4. Comparison with Standard Capacitors Compared to general-purpose radial capacitors, the **RVR-35V101MF80UN-R2** offers: * **Lower ESR:** Reduced equivalent series resistance for better efficiency at high frequencies. * **Automated Assembly:** The V-Chip design allows for high-speed SMT soldering. * **Reflow Stability:** Designed to withstand the high temperatures of infrared or convection reflow ovens.