The **STD17Y-R** is a high-performance Surface Mount Device (SMD) Power Inductor, commonly used in automotive and industrial electronic applications. It belongs to a category of inductors designed for high current handling and low core loss. --- ### ## Technical Specifications Below are the typical characteristics associated with this specific part series: | Property | Value/Description | | :--- | :--- | | **Component Type** | Shielded Power Inductor | | **Mounting Type** | Surface Mount (SMD/SMT) | | **Inductance Range** | Typically measured in $\mu H$ (Suffix dependent) | | **Tolerance** | $\pm 20\%$ (Standard) | | **Core Material** | Composite Metal Powder / Ferrite | | **Operating Temperature** | $-40^\circ C$ to $+125^\circ C$ (or higher) | | **Shielding** | Magnetically Shielded | --- ### ## Key Features 1. **High Current Saturation:** Designed to handle high peak currents without the inductance dropping significantly. 2. **Magnetic Shielding:** The internal construction minimizes Electromagnetic Interference (EMI), which is crucial for densely packed circuit boards. 3. **Low DCR (DC Resistance):** Lower resistance within the wire coil reduces heat generation and improves overall power efficiency. 4. **Automotive Grade:** Many "STD" series parts are AEC-Q200 qualified, meaning they are tested for high-vibration and high-temperature environments. --- ### ## Common Applications * **DC-DC Converters:** Used as energy storage elements in buck, boost, and buck-boost regulators. * **LED Drivers:** Provides stable current filtering for lighting modules. * **Infotainment Systems:** Powering processors and displays in automotive electronics. * **Power Supplies:** General filtering and noise suppression in industrial power modules. --- ### ## Sample Circuit Configuration In a standard Buck Converter application, the STD17Y-R would be placed as the main output inductor: ```text Input Voltage (Vin) ----> [Switching MOSFET] ----+---- [STD17Y-R Inductor] ----> Output (Vout) | [Schottky Diode] | Ground ``` ---