The **AMPLA5030Q-R82MT** is a high-performance, molded power inductor typically used in automotive and industrial electronics. This specific part number follows the naming convention of manufacturers like **Cyntec** or similar power component specialists. ### 1. Technical Specifications Below are the primary electronic characteristics for this component: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Inductance** | 0.82 µH | The nominal inductance value. | | **Tolerance** | ±20% (M) | The allowable variance from the nominal value. | | **Package Size** | 5.0 x 5.0 x 3.0 mm | The physical dimensions (Length x Width x Height). | | **Material** | Metal Alloy / Molded | Composite iron powder for high saturation. | | **Automotive Grade** | AEC-Q200 | Qualified for high-reliability automotive environments. | | **Operating Temp** | -55°C to +155°C | Rated for extreme temperature fluctuations. | --- ### 2. Key Electronic Features #### A. High Saturation Current ($I_{sat}$) The molded metal powder construction allows the inductor to handle high peak currents without the inductance dropping sharply. This is critical for preventing circuit failure during power spikes. #### B. Low DC Resistance (DCR) By using flat wire or optimized copper windings, the part minimizes energy loss as heat. This increases the overall efficiency of the power supply circuit. #### C. Magnetic Shielding Because the coil is encapsulated in a metallic composite, it features inherent magnetic shielding. This reduces **Electromagnetic Interference (EMI)**, which is vital in sensitive automotive systems like ADAS or Infotainment. --- ### 3. Circuit Application The **AMPLA5030Q-R82MT** is primarily used in **DC-DC Converters** (Buck, Boost, or Buck-Boost). * **Point of Load (POL) Converters:** Providing stable voltage to CPUs or FPGAs. * **LED Drivers:** Managing current for automotive lighting. * **Battery Management Systems (BMS):** Filtering noise in high-voltage battery monitoring. --- ### 4. Part Number Breakdown * **AMPLA:** Series name (Automotive High Current Molded Inductor). * **5030:** Dimensions (5.4mm x 5.2mm x 3.0mm approx). * **Q:** Qualification (typically AEC-Q200). * **R82:** Inductance Value (R82 = 0.82 microhenries). * **M:** Tolerance (±20%). * **T:** Packaging (Tape and Reel).