The **ASPI-4122L-R36** is a surface-mount (SMD) power inductor manufactured by **Abracon**. This specific component is part of the ASPI-4122L series, designed for high-efficiency power conversion in compact electronic devices. --- ### ## Technical Specifications The following table outlines the primary electrical and physical characteristics of the R36 variant: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.36 µH | | **Tolerance** | ±25% (Standard for this series) | | **DC Resistance (DCR)** | ~18 mΩ (Max) | | **Saturation Current (Isat)** | ~4.6 A | | **Temperature Rise Current (Irms)** | ~3.8 A | | **Dimensions** | 4.1 x 4.1 x 2.2 mm | | **Operating Temperature** | -40°C to +125°C | --- ### ## Key Features * **Low Profile:** With a height of only 2.2mm, it is ideal for thin consumer electronics. * **Shielded Construction:** Features magnetic shielding to minimize Electromagnetic Interference (EMI) with neighboring components. * **High Current Density:** Capable of handling relatively high saturation currents compared to its small footprint. * **Reflow Profile:** Designed to withstand standard lead-free solder reflow temperatures. --- ### ## Common Applications The ASPI-4122L-R36 is typically used in power management circuits where voltage needs to be stepped down (Buck) or stepped up (Boost). 1. **DC/DC Converters:** Used in mobile phones, tablets, and wearable technology. 2. **Point of Load (POL):** Localized power regulation on motherboards. 3. **Battery Powered Equipment:** Efficiency is critical in these devices to extend battery life. 4. **LCD Displays:** Powering driver circuits for backlighting or panel logic. --- ### ## Component Identification The part number can be broken down as follows: * **ASPI:** Product Series (Shielded Power Inductor). * **4122L:** Physical size code (approx. 4.1mm x 4.1mm x 2.2mm). * **R36:** Inductance value (R represents the decimal point, so 0.36 µH).