The **CTX110611-R** is a high-performance, shielded power inductor specifically designed for use in DC-DC converters and power management applications. It is manufactured by **Eaton (formerly Cooper Bussmann)** and belongs to the **Octa-Path (CTX)** series. --- ### ## Technical Specifications Below are the primary electrical and physical characteristics of the CTX110611-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 1.1 µH | | **Tolerance** | ±20% | | **Current Rating (Irms)** | ~21.0 Amps | | **Saturation Current (Isat)** | ~32.0 Amps | | **DC Resistance (DCR)** | ~1.4 mΩ (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | Surface Mount (SMD) | | **Shielding** | Magnetically Shielded | --- ### ### Key Features 1. **High Current Density:** The part is engineered to handle high saturation currents without significant loss of inductance, making it ideal for high-power density designs. 2. **Low DCR:** The extremely low DC resistance (measured in milliohms) ensures minimal power loss and high efficiency, reducing heat generation in the circuit. 3. **Magnetic Shielding:** The component is shielded to minimize Electromagnetic Interference (EMI), which is critical for sensitive electronics and densely packed PCB layouts. 4. **Multi-Winding Versatility:** The CTX series often features dual windings, allowing them to be configured as an inductor, a 1:1 transformer, or a coupled inductor. --- ### ### Common Applications * **VRM (Voltage Regulator Modules):** Used in CPU/GPU power delivery for servers and workstations. * **DC-DC Converters:** Buck, Boost, and SEPIC converters. * **Industrial Electronics:** High-current power supplies and battery-powered systems. * **Consumer Electronics:** Power management in high-end laptops and gaming consoles. --- ### ### Equivalent/Alternative Series If the CTX110611-R is unavailable, engineers often look at the following series for functional equivalents: * **Vishay:** IHLP Series * **Bourns:** SRP Series * **TDK:** SPM Series