The **UP5-470-R** is a high-performance, shielded power inductor from the **Uni-Pac 5 (UP5)** series, manufactured by Eaton (formerly Bussmann/Coiltronics). These components are designed for high power density and are commonly used in DC-DC converters and voltage regulator modules. --- ### 1. Technical Specifications The part number "470" indicates the inductance value, and "R" signifies RoHS compliance. | Parameter | Specification | | :--- | :--- | | **Inductance** | 47.0 µH | | **Tolerance** | ±20% | | **Rated Current (rms)** | ~2.6 Amps | | **Saturation Current (Isat)** | ~3.0 Amps | | **DC Resistance (DCR)** | ~0.076 Ω (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package Type** | Surface Mount (SMD) | --- ### 2. Key Features * **Magnetic Shielding:** The component is shielded, which minimizes Electromagnetic Interference (EMI) and prevents magnetic flux from affecting nearby sensitive components on the PCB. * **High Power Density:** Designed to handle significant current in a relatively small footprint. * **Low Core Loss:** Uses materials optimized for high-frequency switching, reducing energy wasted as heat. * **Robust Construction:** The flat top design is optimized for automated "pick-and-place" assembly. --- ### 3. Application Use Cases The UP5-470-R is typically found in the following electronic circuits: 1. **Buck/Boost Converters:** Acting as the energy storage element in power supplies. 2. **Server Power Modules:** Used in Voltage Regulator Modules (VRMs) for distributed power systems. 3. **Industrial Controls:** Filtering noise and regulating power in harsh electrical environments. 4. **Telecommunications:** Integrated into high-efficiency base station power units. --- ### 4. Typical Footprint (Mechanical) The UP5 series generally follows a standard high-profile square footprint: ```text Dimensions (Approximate): Length: 18.0 mm Width: 15.0 mm Height: 7.0 mm - 8.0 mm ``` ---