## ASPI-2012-R33: Electronic Component Overview The **ASPI-2012-R33** is a surface-mount (SMD) power inductor manufactured by Abracon. It belongs to the ASPI-2012 series, which is characterized by its small footprint and high-efficiency performance in DC-DC conversion circuits. ### 1. Part Number Breakdown The nomenclature of the part reveals its primary physical and electrical characteristics: | Part Segment | Description | Value/Meaning | | :--- | :--- | :--- | | **ASPI** | Series Name | Shielded Surface Mount Power Inductor | | **2012** | Dimensions | 2.0 mm x 1.2 mm | | **R33** | Inductance Value | 0.33 µH (Microhenries) | --- ### 2. Technical Specifications The ASPI-2012-R33 is designed for high-current applications where space is at a premium. * **Inductance:** 0.33 µH ± 20% * **DC Resistance (DCR):** Typically very low (approx. 24-30 mΩ), which minimizes power loss as heat. * **Saturation Current ($I_{sat}$):** The current level where inductance drops (usually around 4.0A to 5.2A depending on the specific sub-rating). * **Operating Temperature:** -40°C to +125°C. * **Construction:** Metal alloy core (provides better saturation characteristics than ferrite). --- ### 3. Key Features and Benefits 1. **Magnetic Shielding:** The component is shielded, meaning it produces very low Electromagnetic Interference (EMI). This is crucial for densely packed PCBs. 2. **High Power Density:** Despite its tiny 2012 (0805 equivalent) size, it can handle significant current compared to standard multilayer chips. 3. **Low Profile:** Usually features a height of approximately 1.0 mm to 1.2 mm, making it ideal for thin consumer electronics. --- ### 4. Common Applications This inductor is typically found in the "Power Management" section of an electronic circuit, specifically in: * **DC-DC Converters:** Used in "Buck" (step-down) or "Boost" (step-up) regulators. * **Mobile Devices:** Smartphones, tablets, and wearables where PCB space is limited. * **IoT Modules:** Providing stable voltage to low-power sensors and microcontrollers. ### 5. Footprint (Mechanical Data) ```text Dimensions: L: 2.0 ± 0.2 mm W: 1.2 ± 0.2 mm H: 1.2 mm Max ```