Manufacturer Part Number
LQH43MN180J03L
Manufacturer
murata-electronics
Introduction
An inductor from the LQH43 series designed for surface mount applications, primarily used in filtering, resonance, and energy storage in various electronic circuits.
Product Features and Performance
Drum Core, Wirewound design for efficient energy storage
Ferrite core material which enhances magnetic properties
Inductance value of 18 µH with a tolerance of ±5%
Capable of handling current up to 340 mA
Unshielded construction
Designed with a DC resistance (DCR) of 820mOhm Max, indicating low power loss
Quality factor (Q) of 35 at 1MHz, showing good frequency characteristics
The self-resonant frequency is at 17MHz
Operating temperature range is -40°C to 85°C, suitable for various environmental conditions
Product Advantages
The wirewound design and ferrite core material offer stable inductance and performance under varying current loads.
A broad operating temperature range makes it adaptable to diverse working conditions.
Compact size (1812 package) facilitates integration into space-constrained applications.
Key Technical Parameters
Inductance: 18 µH
Tolerance: ±5%
Current Rating: 340 mA
DC Resistance (DCR): 820mOhm Max
Q @ Freq: 35 @ 1MHz
Self-Resonant Frequency: 17MHz
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Built with high-quality materials ensuring reliability and durability in various conditions.
Complies with applicable industry standards for safety and performance.
Compatibility
Surface Mount Technology (SMT) compatible, allowing for use in modern PCB designs.
Application Areas
Widely used in RF and power circuits, including filters, resonators, and energy storage applications in consumer electronics, telecommunications, and automotive systems.
Product Lifecycle
Discontinued at Digi-Key indicating it might be near the end of its production life. Potential buyers should consider looking for replacements or upgrades for future projects.
Several Key Reasons to Choose This Product
High-quality inductance and performance stability under different currents due to its drum core, wirewound design with a ferrite core.
The unshielded design offers a high-quality factor, crucial for RF applications.
Compact and suitable for surface-mounted applications, it fits a wide range of electronic equipment.
Despite its discontinuation at Digi-Key, its characteristics may still provide unmatched value in specific applications, making it worthy of consideration for existing designs.
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