The **M7S61FCJ-R** is a specific part number typically associated with **Electrolytic Capacitors**, specifically those manufactured by **Rubycon**. This part belongs to the **M7 series**, which is known for being a surface-mount (SMD) conductive polymer aluminum solid capacitor or a high-reliability aluminum electrolytic variant. --- ### 1. Key Technical Specifications Based on the standard nomenclature for this series, here are the general electronic characteristics: | Parameter | Typical Specification | |:---|:---| | **Type** | Aluminum Electrolytic Capacitor (SMD Type) | | **Series** | M7 Series | | **Mounting Type** | Surface Mount Device (SMD/Chip) | | **Voltage Range** | Typically 6.3V to 50V (specific to sub-variants) | | **Operating Temp** | -55°C to +105°C | | **RoHS Status** | Compliant (indicated by the 'R' suffix) | ### 2. Breakdown of the Part Number While internal manufacturer codes can vary slightly, the alphanumeric string generally follows this logic: * **M7**: Identifies the specific product series (Low profile, high reliability). * **S**: Often denotes the case size code or height (e.g., 4mm, 5.4mm, or 7mm). * **61**: Internal manufacturer manufacturing or capacitance code. * **FCJ**: Tolerance and Dielectric material identifier. * **R**: Indicates **RoHS compliance** and Lead-Free status. --- ### 3. Applications and Use Cases These components are designed for high-density surface mounting. Common applications include: 1. **Consumer Electronics:** Motherboards, laptops, and tablets where vertical space is limited. 2. **Power Conversion:** Used for filtering and smoothing in DC-DC converters. 3. **Telecommunications:** Base stations and networking hardware requiring stable capacitance over temperature fluctuations. 4. **Automotive:** Infotainment systems and non-safety critical ECU modules. ### 4. Critical Features * **Low Profile:** The "M7" series is often selected for its low height, allowing for thinner PCB assemblies. * **Low ESR:** Provides efficient ripple current handling and minimizes heat generation. * **Reflow Soldering:** Designed to withstand the high temperatures of lead-free reflow soldering processes. --- ### 5. Identification Table for Variants If you are sourcing this part, ensure you verify the **Case Size** and **Capacitance Value** as shown below: | Feature | Importance | |:---|:---| | **Capacitance** | Measured in Microfarads (µF); essential for energy storage. | | **Voltage (WV)** | Working Voltage; must exceed the circuit's peak voltage. | | **Impedance** | Lower impedance improves performance in high-frequency switching. |