The **NLCV25T-R33M-EFRD** is a high-quality surface-mount (SMD) wire-wound inductor manufactured by **TDK Corporation**. It belongs to the NLCV series, which is specifically designed for decoupling and filtering in power supply circuits. --- ### 1. Technical Specifications Below are the primary electrical and physical characteristics of this component: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.33 µH | | **Tolerance** | ±20% (M) | | **Rated Current** | 700 mA (Maximum) | | **DC Resistance (DCR)** | 0.14 Ω (±30%) | | **Self-Resonant Frequency** | 280 MHz (Minimum) | | **Operating Temperature** | -40°C to +105°C | | **Case Size (EIA/Metric)** | 1008 / 2520 (2.5mm x 2.0mm) | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying the specific features of the component: * **NLCV**: Series name (Wire-wound inductor for decoupling circuits). * **25T**: Dimensions (2.5mm x 2.0mm). * **R33**: Inductance value (R33 = 0.33 microhenries). * **M**: Inductance tolerance (±20%). * **EFRD**: Packaging and material specification (Lead-free, RoHS compliant, Taping). --- ### 3. Key Features and Construction * **Wire-Wound Structure:** Unlike multilayer inductors, the wire-wound construction allows for higher current carrying capacity and lower DC resistance. * **Resin Molded:** The coil is encapsulated in a hard plastic resin, providing excellent mechanical strength and environmental protection. * **High Heat Resistance:** Designed to withstand reflow soldering temperatures, making it suitable for automated SMT (Surface Mount Technology) assembly. --- ### 4. Typical Applications This specific inductor is commonly found in the following environments: 1. **Power Supply Decoupling:** Used to prevent noise from entering the power lines of microprocessors and ICs. 2. **Consumer Electronics:** Found in TVs, set-top boxes, and game consoles. 3. **Industrial Equipment:** Used in power management modules where reliability and stable inductance are required. 4. **Telecommunications:** Base stations and network routers for signal filtering. ---