The part number **RVR-35V680MF80U-R2** corresponds to a specific Aluminum Electrolytic Capacitor, typically manufactured by brands like ELNA (often part of their RVR series). These are surface-mount (SMD) components designed for high reliability and vertical mounting. --- ### Technical Specifications Breakdown The alphanumeric code contains specific data regarding the component's performance and physical dimensions: | Parameter | Value / Detail | Explanation | |:---|:---|:---| | **Series** | RVR | Chip Type, high temperature, long life (often 105°C). | | **Voltage** | 35V | Rated Working Voltage (DC). | | **Capacitance** | 680µF | Capacitance value (68 followed by one zero). | | **Tolerance** | M | ±20% (Standard industry tolerance). | | **Case Size** | F80 | Refers to the diameter and height (e.g., 8mm x 10mm). | | **Packaging** | U-R2 | Taping and Reeling specifications for automated SMT assembly. | --- ### Key Electronic Characteristics 1. **Electrolytic Nature:** It is a polarized component. It must be installed with the correct orientation (positive and negative terminals) to avoid failure or explosion. 2. **ESR (Equivalent Series Resistance):** As an RVR series part, it is designed to have relatively low ESR to handle ripple currents efficiently without excessive self-heating. 3. **Temperature Rating:** Typically rated for operation up to **105°C**, making it suitable for automotive or industrial power supplies. 4. **Form Factor:** This is a **V-chip** style SMD. It features a flat base (plastic platform) that allows it to be soldered directly onto the surface of a PCB via reflow soldering. --- ### Common Applications These capacitors are generally found in circuits requiring bulk energy storage and noise filtering: * **DC-DC Converters:** Smoothing output voltage. * **Automotive Electronics:** Infotainment systems or ECU power filtering. * **Telecommunications:** Power regulation in base stations or routers. * **Consumer Electronics:** High-density power boards where vertical space is available but horizontal footprint must be minimized. --- ### Handling and Soldering Precautions * **Reflow Profile:** Ensure the soldering temperature profile matches the manufacturer's specification to prevent the electrolyte from boiling or the seal from rupturing. * **Polarity Mark:** Look for the darkened or marked "half-moon" on the top of the aluminum can; this indicates the **negative (-)** terminal.