The **UCD1C331MCL6GS** is a high-performance surface-mount (SMD) aluminum electrolytic capacitor manufactured by **Nichicon**. It belongs to the **UCD series**, which is characterized by its "Low Impedance" and "Anti-Cleaning" properties, making it ideal for high-density motherboard and power supply applications. --- ### 1. Technical Specifications The part number contains specific encoding for its characteristics. Here is the breakdown: | Parameter | Specification | | :--- | :--- | | **Capacitance** | 330 µF | | **Voltage (Rated)** | 16V DC | | **Tolerance** | ±20% at 120Hz, 20°C | | **Series** | UCD (Low Impedance / Chip Type) | | **Operating Temperature** | -55°C to +105°C | | **Endurance (Life)** | 2000 to 5000 hours (depending on size) | | **Package / Case** | SMD (Radial Can - SMD) | | **Dimensions** | 8.00mm Dia x 10.00mm L | --- ### 2. Key Features & Benefits * **Low Impedance:** Designed to minimize energy loss and heat generation during high-frequency operation. * **Reflow Soldering:** Specifically built to withstand the heat of lead-free reflow soldering processes. * **AEC-Q200 Qualified:** Many parts in this series are compliant with automotive quality standards, ensuring high reliability in vibrating or harsh environments. * **Compact Form Factor:** The "Chip Type" design allows for automated pick-and-place assembly on PCBs. --- ### 3. Application Use Cases This specific capacitor is commonly found in circuits requiring stable power delivery and noise filtration: 1. **DC-DC Converters:** Smoothing output voltage and reducing ripple current. 2. **Automotive Electronics:** Used in infotainment systems and ECU power stages due to its 105°C temperature rating. 3. **Industrial Controls:** Filtering power rails in PLCs and sensors. 4. **Consumer Electronics:** High-definition AV equipment and motherboards. --- ### 4. PCB Footprint Information When designing a PCB for this component, the landing pattern usually follows standard SMD Electrolytic dimensions: ```markdown Dimension Name | Value ---------------|------- D (Diameter) | 8.0 mm L (Length) | 10.0 mm A (Width) | 8.3 mm B (Depth) | 8.3 mm C (Height) | 9.0 mm ```