The **ACL3225S-R82K-X** is a surface-mount (SMD) wire-wound chip inductor designed for high-frequency signal processing and power management. It is typically manufactured by TDK or similar high-quality electronic component providers. --- ### 1. Part Number Breakdown To understand the electronic characteristics, we can decode the nomenclature: | Component Code | Description | Meaning | | :--- | :--- | :--- | | **ACL** | Series Type | Wire-wound chip inductor for signal lines. | | **3225** | Case Size | Dimensions: 3.2mm x 2.5mm (Metric: 1210). | | **S** | Material/Process | Standard/Standard Grade. | | **R82** | Inductance Value | **0.82 µH** (R denotes decimal). | | **K** | Tolerance | **±10%** | | **-X** | Packaging/Custom | Usually refers to Taping/Reel or specific internal variations. | --- ### 2. Technical Specifications Below are the typical electrical parameters for this specific part: * **Inductance:** 0.82 µH * **Tolerance:** ±10% * **DC Resistance (DCR):** Low resistance (typically < 0.5 Ω) to minimize power loss. * **Rated Current:** Usually ranges between 300mA to 500mA (depending on heat rise). * **Operating Temperature:** -40°C to +105°C (standard industrial range). * **Core Material:** Ferrite. --- ### 3. Key Electronic Features * **Wire-wound Construction:** Unlike multilayer inductors, the wire-wound design allows for a higher **Q factor** (Quality factor) and higher current carrying capacity. * **Magnetic Shielding:** Most ACL series parts are designed to minimize electromagnetic interference (EMI) with surrounding components. * **Compact 1210 Footprint:** Ideal for high-density PCB layouts where space is limited but performance is critical. --- ### 4. Common Applications This part is frequently used in the following electronic circuits: 1. **DC-DC Converters:** Acts as an energy storage element in low-power voltage regulation. 2. **EMI Suppression:** Used in signal lines to filter out high-frequency noise. 3. **Communication Devices:** Found in smartphones, tablets, and RF modules for impedance matching. 4. **Audio Circuits:** Used in decoupling and filtering for clear signal transmission.