The **HCP0703-R68-R** is a high-current, power inductor manufactured by Eaton (formerly Cooper Bussmann). It belongs to the HCP series, which is designed for high-density power applications. --- ### ## Technical Specifications Below is a breakdown of the key electrical and physical properties: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.68 µH (Microhenries) | | **Tolerance** | ±20% | | **Saturation Current ($I_{sat}$)** | 21 A (Amperes) | | **RMS Current ($I_{rms}$)** | 14 A (Amperes) | | **DC Resistance (DCR)** | 4.8 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | 7.30mm x 7.00mm x 3.00mm | | **Mounting Type** | Surface Mount (SMD) | --- ### ### Key Features and Construction 1. **Magnetically Shielded:** The part features a shielded construction which minimizes Electromagnetic Interference (EMI), making it suitable for sensitive electronic environments. 2. **Material:** It typically utilizes a powder iron core material that provides excellent energy storage and soft saturation characteristics (the inductance doesn't drop off abruptly as current increases). 3. **Low Profile:** With a height of only 3.0mm, it is ideal for compact devices like laptops or thin-profile power modules. 4. **Halogen Free & RoHS Compliant:** Meets modern environmental safety standards. --- ### ### Common Applications This inductor is widely used in DC-to-DC converters and voltage regulator modules (VRMs). Specific applications include: * **Computing:** Multi-phase regulators for CPUs and GPUs. * **Telecommunications:** Base station power modules and networking switches. * **Industrial:** High-current point-of-load (POL) converters. * **Consumer Electronics:** Power supplies for gaming consoles and high-end laptops. --- ### ### Decoding the Part Number `HCP 0703 - R68 - R` * **HCP:** High Current Power (Series Name) * **0703:** Physical size (approx. 7mm x 7mm x 3mm) * **R68:** Inductance value (R is the decimal point; R68 = 0.68 µH) * **-R:** RoHS compliant suffix