The **W2SP-113-R2/N** is a specialized electronic component, typically categorized as a **Surface Mount Device (SMD) Power Inductor** or a specific **Wire-wound chip inductor** used in high-frequency and power management circuits. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. General Specifications The part number indicates a specific tolerance, inductance value, and packaging style. Based on standard industry nomenclature for this series: | Feature | Specification | | :--- | :--- | | **Component Type** | Wire-wound Surface Mount Inductor | | **Inductance** | 11.3 µH (Typical for the 113 designation) | | **Tolerance** | ±10% or ±20% (depending on the R2/N suffix) | | **Core Material** | Ferrite or Ceramic | | **Mounting Type** | SMD/SMT (Surface Mount Technology) | --- ### 2. Key Electronic Characteristics These parts are engineered for efficiency in compact power supplies. * **Low DC Resistance (DCR):** Designed to minimize power loss as heat, ensuring high efficiency in battery-operated devices. * **High Saturation Current:** The "R2" revision often implies an improved core design that allows the inductor to maintain its inductance even under high current loads. * **EMI Shielding:** Most components in this series are shielded to prevent electromagnetic interference with neighboring components on a dense PCB. --- ### 3. Pinout and Physical Construction The physical architecture of the **W2SP-113-R2/N** focuses on durability and thermal management. 1. **Terminations:** Typically gold-plated or tin-plated pads to ensure excellent solderability and resistance to oxidation. 2. **Winding:** Precision wire-wound construction allows for high Q-factors (Quality factor), making it suitable for filtering applications. 3. **Encapsulation:** Usually housed in a heat-resistant resin or molded case to withstand reflow soldering temperatures (up to 260°C). --- ### 4. Common Applications This specific part is frequently found in the following electronic environments: * **DC-DC Converters:** Used for energy storage and smoothing output voltage. * **LED Drivers:** Providing constant current for lighting arrays. * **Consumer Electronics:** Found in tablets, laptops, and handheld gaming consoles where space is at a premium. * **Filtering:** Used in power lines to suppress high-frequency noise. --- ### 5. Part Number Breakdown (Typical) | Segment | Meaning | | :--- | :--- | | **W2SP** | Series identifier (Wire-wound Shielded Power) | | **113** | Inductance value code (11 followed by 3 zeros in nH, or 11.3 µH) | | **R2** | Revision or specific footprint variation | | **N** | Tolerance or Packaging indicator (e.g., Tape & Reel) | ---