The **LC2-124-R** is a high-performance, shielded power inductor part of the **LC2 Series** manufactured by **Coiltronics** (now a brand under **Eaton**). These components are designed specifically for high-frequency DC-DC converters and power supply filtering. --- ### ## Technical Specifications The following table summarizes the key electrical and physical characteristics of the LC2-124-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.124 µH | | **Tolerance** | ±20% | | **Rated Current (Irms)** | ~26.0 Amps | | **Saturation Current (Isat)** | ~40.0 Amps | | **DC Resistance (DCR)** | 0.50 mΩ (Typical) | | **Operating Temperature** | -40°C to +125°C | | **Package / Case** | Surface Mount (SMD) | --- ### ## Key Electronic Features 1. **High Current Capability:** Due to its extremely low DC resistance (DCR), this inductor can handle very high RMS currents without significant power loss or overheating. 2. **Magnetic Shielding:** The part is magnetically shielded, which minimizes Electromagnetic Interference (EMI). This is critical in dense PCB layouts where noise could interfere with nearby sensitive analog components. 3. **Low Profile Design:** The "LC" (Low Core) series is optimized for height-sensitive applications, making it suitable for thin laptops, tablets, and high-density server blades. 4. **Material Composition:** It typically uses a ferrite core material characterized by low core losses at high switching frequencies (ranging from 100 kHz to over 1 MHz). --- ### ## Common Applications The LC2-124-R is primarily found in high-efficiency power management systems: * **Voltage Regulator Modules (VRMs):** Used in CPU and GPU power delivery on motherboards. * **Point-of-Load (POL) Converters:** Used to step down voltages locally on a circuit board. * **High-Current DC-DC Converters:** Found in telecommunications and networking equipment. * **Battery Powered Systems:** Where high efficiency is required to extend battery life. --- ### ## Comparison with Similar Parts When selecting this part, engineers often compare the **Inductance vs. Current** trade-off: ```yaml Part_Number: LC2-124-R Inductance: 0.124uH Focus: Ultra-high current, low storage Part_Number: LC2-470-R Inductance: 0.470uH Focus: Balanced current and ripple filtering ```