The **PI07030Q1-R20M** is a high-current, shielded surface-mount (SMD) power inductor. This component is typically used in DC-DC converters and power management modules where high efficiency and low electromagnetic interference (EMI) are required. --- ### 1. Part Number Breakdown While naming conventions can vary slightly by manufacturer (often associated with brands like **PROLOGIC** or **Chilisin**), the code generally breaks down as follows: | Segment | Meaning | Description | | :--- | :--- | :--- | | **PI** | Series Code | Power Inductor (Molded type) | | **07030** | Dimensions | Approx. 7.0mm x 7.0mm (Length x Width), 3.0mm Height | | **Q1** | Qualification | Often denotes Automotive Grade (AEC-Q200) | | **R20** | Inductance Value | **0.20 µH** (R denotes the decimal point) | | **M** | Tolerance | **±20%** | --- ### 2. Technical Specifications The PI07030 series is known for its "Molded" construction, which uses metal iron powder. This design allows for better performance in compact spaces. | Parameter | Typical Value | | :--- | :--- | | **Inductance** | 0.20 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | Very Low (typically < 2.0 mΩ) | | **Saturation Current (Isat)** | High (typically 20A - 35A range) | | **Operating Temperature** | -55°C to +125°C (standard for Q1) | | **Construction** | Shielded, Composite Magnetic Powder | --- ### 3. Key Features * **High Saturation Current:** Because it uses a metal alloy core, it can handle high current spikes without the inductance dropping off sharply (soft saturation). * **Low DCR:** The use of thick copper wire reduces power loss through heat (I²R losses). * **Shielded Design:** The molded body acts as a natural shield, minimizing magnetic flux leakage and reducing EMI. * **AEC-Q200 Compliant:** The "Q1" designation indicates it is tested for high-reliability environments, such as automotive electronics. --- ### 4. Typical Applications This specific inductor (0.20 µH) is a low-inductance, high-current part, making it ideal for: 1. **High-Frequency DC-DC Converters:** Used in VRMs (Voltage Regulator Modules) for CPUs and GPUs. 2. **Automotive Electronics:** Infotainment systems, LED lighting drivers, and ECU power supplies. 3. **Battery Powered Devices:** Efficient power stages for tablets or industrial handhelds. ---