The **SD14-101-R** is a member of the SD family of surface-mount (SMT) power inductors, manufactured by **Eaton (formerly Bussmann)**. It is a high-power density, shielded inductor designed for various DC-DC converter applications. --- ### ## Technical Specifications Below are the primary electronic characteristics of the SD14-101-R: | Parameter | Value | | :--- | :--- | | **Inductance** | 100 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | 0.812 Ω (Typical) | | **Rated Current (Irms)** | 0.536 Amps | | **Saturation Current (Isat)** | 0.612 Amps | | **Shielding** | Ferrite Core (Shielded) | | **Package Size** | 5.2mm x 5.2mm x 1.45mm | --- ### ### Key Features 1. **Low Profile:** The "14" in the part number indicates a maximum height of approximately 1.45mm, making it ideal for thin handheld electronics. 2. **Magnetic Shielding:** The closed magnetic path minimizes Electromagnetic Interference (EMI), allowing it to be placed near sensitive components without causing noise issues. 3. **Ferrite Core Material:** Ensures high efficiency and stable performance across a wide frequency range. 4. **RoHS Compliant:** The "-R" suffix denotes that the part is lead-free and meets RoHS environmental standards. --- ### ### Typical Applications The SD14-101-R is commonly used in power management circuits where space is limited: * **DC-DC Converters:** Buck, boost, and SEPIC topologies. * **Mobile Devices:** Smartphones, tablets, and digital cameras. * **Computing:** Hard disk drives and solid-state drives. * **LED Drivers:** Providing constant current for lighting applications. --- ### ### Part Number Breakdown To better understand the series, here is how the nomenclature works: | Segment | Meaning | | :--- | :--- | | **SD** | Series name (Surface Mount Inductor) | | **14** | Physical size (1 = ~5mm width, 4 = ~1.4mm height) | | **101** | Inductance Code (10 + 1 zero = 100µH) | | **-R** | RoHS Compliant |