## HCM0703-1R5-R Component Specifications The **HCM0703-1R5-R** is a high-current, shielded power inductor manufactured by Eaton (formerly Cooper Bussmann). It belongs to the HCM series, which is designed for high-density, high-current power applications. ### 1. Key Technical Specifications | Parameter | Value | | :--- | :--- | | **Inductance** | 1.5 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 9.0 mΩ (Typical) / 10.5 mΩ (Max) | | **Rated Current (Irms)** | 11.0 A | | **Saturation Current (Isat)** | 14.0 A | | **Operating Temperature** | -55°C to +125°C | | **Package / Case** | 0703 (7.4mm x 7.0mm x 3.0mm) | --- ### 2. Core Features * **Magnetically Shielded:** The component is shielded to minimize Electromagnetic Interference (EMI), making it suitable for noise-sensitive circuits. * **Low Core Loss:** Optimized for high-frequency power conversion (up to 1 MHz). * **High Current Density:** Capable of handling high peak currents without saturation due to its powder iron core construction. * **SMD Design:** Surface-mount technology (SMD) leads to easier automated PCB assembly. --- ### 3. Common Applications This inductor is typically used in DC-DC converters and power management modules for: 1. **Computing:** Multi-phase regulators, Voltage Regulator Modules (VRMs). 2. **Industrial:** High-current power supplies and battery-powered systems. 3. **Graphics Cards:** Power delivery for GPUs and high-end processors. 4. **Networking:** Base stations and routers. --- ### 4. Part Number Breakdown The part number follows a specific nomenclature: * **HCM:** High Current, Magnetically Shielded Series. * **0703:** Physical dimensions (Approx. 7mm length/width, 3mm height). * **1R5:** Inductance value (1.5 microhenries). * **-R:** RoHS compliant.