## CTX50-1P-R: Product Overview and Specifications The **CTX50-1P-R** is a high-performance, surface-mount (SMD) power inductor commonly used in DC-DC converters and power management circuits. It belongs to the **OCTA-PAC®** series manufactured by **Eaton (formerly Cooper Bussmann)**. --- ### 1. Key Technical Specifications | Parameter | Specification | | :--- | :--- | | **Inductance** | 50.3 µH | | **Current Rating (Irms)** | 1.12 Amperes | | **Peak Current (Isat)** | 0.81 Amperes | | **DC Resistance (DCR)** | 0.201 Ohms (Max) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | OCTA-PAC® Size 1 | | **Mounting Type** | Surface Mount (SMD) | --- ### 2. Physical Construction and Parts The CTX50-1P-R is engineered with specific materials to ensure efficiency and thermal stability: * **Core Material:** Powered Iron or Ferrite (depending on specific revision), designed for low core losses and high saturation levels. * **Winding:** Copper wire wound precisely to achieve a specific inductance while minimizing resistance. * **Encapsulation:** High-temperature epoxy/plastic casing that provides mechanical protection and insulation. * **Terminations:** Solder-plated copper leads designed for secure surface mount attachment to a PCB. --- ### 3. Functional Features * **High Efficiency:** Low DCR (Direct Current Resistance) minimizes power loss as heat. * **Toroidal Design:** The closed magnetic path minimizes Electromagnetic Interference (EMI), which is critical for sensitive electronics. * **Low Profile:** Designed for compact electronic assemblies where vertical space is limited. * **RoHS Compliant:** Lead-free and environmentally friendly materials. --- ### 4. Common Applications The CTX50-1P-R is typically found in the following electronic circuits: 1. **Buck/Boost Converters:** Acting as an energy storage element in voltage regulation. 2. **Input/Output Filters:** Used to smooth out ripple current and reduce noise in power supplies. 3. **Industrial Controls:** Integrated into PLCs and sensor modules requiring stable power. 4. **Telecommunications:** Used in networking hardware for efficient power distribution. ---