## Analysis of the Panasonic ECOS2DB681BA The **ECOS2DB681BA** is a high-performance **Aluminum Electrolytic Capacitor** manufactured by **Panasonic**. It belongs to the **TS-HB Series**, which is designed for high voltage and compact sizing, commonly used in power supply rectification. --- ### 1. Technical Specifications The part number follows a specific coding structure that defines its electrical characteristics. | Parameter | Specification | | :--- | :--- | | **Capacitance** | 680 µF | | **Voltage Rating** | 200 V DC | | **Tolerance** | ±20% | | **Temperature Range** | -40°C to +105°C | | **Endurance (Life)** | 3000 hours at 105°C | | **Mounting Type** | Through Hole / Snap-In | | **Form Factor** | Large Can (Radial - Snap-In) | --- ### 2. Physical Dimensions Snap-in capacitors are designed to be securely mounted on a PCB before soldering. * **Diameter:** 30.00 mm * **Length (Height):** 30.00 mm * **Lead Spacing:** 10.00 mm --- ### 3. Key Features & Applications This specific component is engineered for reliability in power-dense environments. #### Features: * **Snap-in Terminals:** Prevents the component from falling out during the wave soldering process. * **High Ripple Current:** Optimized to handle the fluctuations found in AC-to-DC conversion. * **Compact Size:** Part of the "HB" series which offers a smaller footprint compared to standard series for the same capacitance/voltage. #### Typical Applications: 1. **Switch Mode Power Supplies (SMPS):** Used as a bulk storage capacitor in the primary stage. 2. **Uninterruptible Power Supplies (UPS):** Energy storage and filtering. 3. **Motor Drives/Inverters:** Smoothing the DC bus voltage. 4. **Industrial Equipment:** General-purpose filtering in harsh thermal environments. --- ### 4. Part Number Breakdown Understanding the Panasonic naming convention: | Code | Meaning | | :--- | :--- | | **ECO** | Snap-in Aluminum Electrolytic Series | | **S** | Standard Terminal Type | | **2D** | Voltage Code (2D = 200V) | | **B** | Series/Case Code (TS-HB) | | **681** | Capacitance Code (68 x 10^1 = 680µF) | | **BA** | Sizing/Packaging variation |