The **PAD2-413-R** is a high-performance, shielded power inductor manufactured by **Eaton (formerly Coiltronics)**. It is part of the PAD series, specifically designed for high-current applications where space and EMI (Electromagnetic Interference) shielding are critical. --- ### ## Technical Specifications Below are the primary electrical and physical characteristics of the PAD2-413-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 13.0 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~2.5 A to 3.5 A (Load dependent) | | **Saturation Current (Isat)** | ~4.0 A | | **DC Resistance (DCR)** | ~0.065 Ω (65 mΩ) | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Magnetically Shielded | | **Mounting Type** | Surface Mount (SMD) | --- ### ### Key Electronic Features 1. **Magnetic Shielding**: The "PAD" series features a construction that minimizes stray magnetic fields. This is essential for preventing noise interference with surrounding components on a dense PCB. 2. **High Power Density**: It offers a high current-carrying capacity relative to its small footprint, making it suitable for modern compact electronics. 3. **Low Core Loss**: Designed with ferrite core materials that minimize energy dissipation as heat, improving the overall efficiency of the power supply. 4. **RoHS Compliant**: The "-R" suffix indicates that the part is lead-free and complies with RoHS standards. --- ### ### Common Applications The PAD2-413-R is typically used in the following circuits: * **DC-DC Converters**: Used as a storage inductor in buck (step-down), boost (step-up), and SEPIC converters. * **Voltage Regulator Modules (VRMs)**: Providing stable power to microprocessors and FPGAs. * **Consumer Electronics**: Found in laptops, tablets, and handheld devices. * **LED Drivers**: Used to stabilize the current flowing through high-brightness LEDs. --- ### ### Typical Circuit Implementation In a standard switching regulator circuit, the inductor is placed between the switching node and the output capacitor: ```markdown [Switching IC] ----(L: PAD2-413-R)---- [Output Vout] | [Capacitor Cout] | [GND] ```