## Overview of UP2C-101-R The **UP2C-101-R** is a high-performance, shielded power inductor manufactured by **Eaton (formerly Cooper Bussmann)**. It belongs to the Uni-Pac (UP) series, specifically designed for surface-mount (SMD) applications requiring high power density and electromagnetic interference (EMI) suppression. --- ### Technical Specifications The following table summarizes the key electrical and physical characteristics of the UP2C-101-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 100 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.250 Ohms (Max) | | **Rated Current (Isat)** | 1.10 Amperes | | **RMS Current (Irms)** | 1.04 Amperes | | **Core Material** | Ferrite | | **Shielding** | Magnetically Shielded | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | SMD (approx. 12.9mm x 9.4mm x 5.0mm) | --- ### Key Features 1. **Magnetic Shielding:** The part is enclosed in a ferrite drum core with a ring, which minimizes EMI. This is crucial for sensitive circuits where noise can interfere with other components. 2. **High Power Density:** It offers a high current-carrying capacity relative to its physical footprint. 3. **Durability:** Designed to withstand high reflow temperatures and harsh industrial environments. 4. **Low DCR:** The low DC resistance helps in minimizing power loss through heat, increasing the overall efficiency of the power supply. --- ### Typical Applications The UP2C-101-R is commonly used in power management circuits, including: * **DC-DC Converters:** Buck, boost, and forward converters. * **Computer Peripherals:** Laptops, servers, and storage devices. * **Industrial Electronics:** Power supplies for automation and control systems. * **Consumer Electronics:** LED drivers and portable battery-operated devices. --- ### Part Number Breakdown The nomenclature `UP2C-101-R` can be decoded as follows: * **UP2C**: The series designation and physical size/profile. * **101**: The inductance code. The first two digits (10) are the significant figures, and the third digit (1) is the multiplier ($10 \times 10^1 = 100$ µH). * **R**: Indicates that the product is RoHS compliant.