The **LD1-560-R** is a high-performance, surface-mount power inductor manufactured by **Eaton (formerly Coiltronics)**. It belongs to the LD family of inductors, specifically designed for high-density power applications. --- ### ## Technical Specifications Below are the primary electrical and physical characteristics of the LD1-560-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 56 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | ~0.158 Ω (Typical) | | **Rated Current (Irms)** | ~1.34 Amperes | | **Saturation Current (Isat)** | ~1.46 Amperes | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Package / Case** | LD1 (approx. 6.1mm x 6.1mm) | | **Operating Temperature** | -40°C to +125°C | --- ### ### Key Features 1. **Shielded Construction:** The "LD" series typically features a drum core construction that minimizes electromagnetic interference (EMI), making it suitable for noise-sensitive circuits. 2. **Ferrite Core Material:** Provides high efficiency and low core losses at high frequencies. 3. **RoHS Compliant:** The "-R" suffix indicates that the part is lead-free and meets RoHS environmental standards. 4. **High Power Density:** Optimized to provide high inductance in a small footprint. --- ### ### Common Applications * **DC-DC Converters:** Used as energy storage elements in buck, boost, and SEPIC converters. * **LED Drivers:** Provides current smoothing for high-brightness LED circuits. * **Battery Powered Devices:** Ideal for laptops, handheld instruments, and IoT sensors due to its compact size. * **Filter Inductors:** Used in input/output filters to reduce ripple voltage in switching power supplies. --- ### ### Naming Convention Breakdown `LD1` - `560` - `R` * **LD1:** Refers to the physical size and series (approx. 6mm x 6mm). * **560:** Represents the Inductance value. The first two digits are significant figures, and the third is the multiplier (56 + 0 zeros = **56 µH**). * **R:** Indicates RoHS compliance.