The **UP2UC-330-R** is a specific electronic component belonging to the family of **Power Inductors**, specifically designed for surface-mount technology (SMT). It is manufactured by Eaton (formerly Cooper Bussmann/Coiltronics) as part of the Uni-Pac series. --- ## 1. Component Overview The UP2UC-330-R is a drum core, shielded-style inductor used primarily for power management and filtering in electronic circuits. ### Key Specifications | Parameter | Value | | :--- | :--- | | **Inductance** | 33 µH (Microhenries) | | **Inductance Tolerance** | ±20% | | **Current Rating (Isat)** | ~1.60 A (Saturation Current) | | **Current Rating (Irms)** | ~1.30 A (RMS Current) | | **DC Resistance (DCR)** | ~0.150 Ω (Typical) | | **Package / Case** | SMT (Surface Mount) | | **RoHS Compliant** | Yes (Indicated by the "-R" suffix) | --- ## 2. Part Number Breakdown Understanding the nomenclature helps identify the physical characteristics: * **UP2UC**: The series name (Uni-Pac 2UC). This defines the footprint and physical dimensions (approx. 9.4mm x 12.9mm). * **330**: The inductance value code. The first two digits are significant figures, and the third is the multiplier (33 x 10^0 = 33). * **R**: Indicates that the part is RoHS (Restriction of Hazardous Substances) compliant. --- ## 3. Core Applications Inductors of this type are typically found in the following power stages: * **DC-DC Converters:** Used as energy storage elements in Buck (step-down) or Boost (step-up) converters. * **Filtering:** Acting as a low-pass filter to smooth out ripples in voltage supply lines. * **Voltage Regulators:** Employed in Point-of-Load (POL) modules for industrial and consumer electronics. --- ## 4. Physical Construction The "UC" in the series usually refers to a specific physical profile: * **Unshielded/Semi-Shielded:** Provides high current handling but may emit some electromagnetic interference (EMI). * **Drum Core:** Ferrite core construction designed for high efficiency and low losses at high frequencies. * **Solder Pads:** Large flat pads on the bottom for secure mechanical mounting and electrical connection to the PCB. ---