The **LQH31HZ95NK03** is a high-performance chip inductor manufactured by **Murata Electronics**. It belongs to the LQH series, which is known for its wire-wound structure and high current handling capabilities. --- ### 1. Technical Specifications Below is the technical breakdown of the part based on its datasheet parameters: | Parameter | Specification | | :--- | :--- | | **Inductance** | 95 nH | | **Tolerance** | ±10% | | **DC Resistance (Max)** | 0.046 Ω | | **Rated Current** | 1500 mA (1.5A) | | **Self-Resonant Frequency** | 1000 MHz (1 GHz) | | **Package / Case** | 1206 (3216 Metric) | | **Operating Temperature** | -40°C to +85°C | | **Inductance Test Freq** | 1 MHz | --- ### 2. Key Features * **Wire-Wound Construction:** Unlike multilayer inductors, the wire-wound design allows for lower DC resistance and higher current ratings. * **High Q Factor:** It maintains high efficiency in high-frequency circuits. * **Compact Footprint:** The 1206 size (3.2mm x 1.6mm) is industry-standard, making it easy to integrate into dense PCB layouts. * **AEC-Q200 Compliance:** Often used in automotive applications due to its robustness against vibration and thermal stress. --- ### 3. Part Number Breakdown The alphanumeric code follows Murata’s standard nomenclature: 1. **LQH**: Product ID (Wire-wound Inductor). 2. **31**: Dimension (3.2 x 1.6 mm). 3. **H**: Application (High-frequency type). 4. **Z**: Specific characteristics (Impedance/Standard). 5. **95N**: Inductance value (95 nanohenries). 6. **K**: Tolerance (±10%). 7. **03**: Packaging/Individual specification code. --- ### 4. Common Applications This specific inductor is typically found in: * **RF Matching Circuits:** Used in wireless communication modules to match impedance. * **EMI Suppression:** Filtering high-frequency noise in power lines. * **DC-DC Converters:** Acting as a storage or filter element in small-scale power supplies. * **Automotive Electronics:** Infotainment systems and ADAS sensors.