Manufacturer Part Number
LQH43MN821J03L
Manufacturer
murata-electronics
Introduction
The LQH43MN821J03L is a ferrite drum core, wirewound inductor designed for a multitude of electronic applications, offering a high inductance of 820 µH.
Product Features and Performance
Wirewound construction for reliable electromagnetic performance
High inductance value of 820 µH ensures effective energy storage
Ferrite core material enhances magnetic properties
Unshielded for situations where induction interaction can be managed
Compatible with Surface Mount Technology (SMT)
Designed to operate efficiently within -40°C ~ 85°C
Product Advantages
Superior reliability and consistency due to Murata’s stringent manufacturing standards
High inductance suitable for filtering, energy storage, and impedance matching applications
Low DC resistance of 20.5Ohm Max, minimizing power loss
Excellent Q factor of 40 @ 796kHz for efficient operation in RF applications
Key Technical Parameters
Inductance: 820 µH
Tolerance: ±5%
Current Rating: 60 mA
DC Resistance (DCR): 20.5Ohm Max
Q @ Freq: 40 @ 796kHz
Operating Temperature: -40°C ~ 85°C
Self-Resonant Frequency: 2.2MHz
Quality and Safety Features
Built with high-quality materials ensuring long operational life and stability under various conditions
Compatibility
The 1812 (4532 Metric) footprint allows usage in standard SMT circuits, facilitating ease of design and replacement
Application Areas
Power supplies, DC-DC converters
RF and wireless communication
Consumer electronics, including audio devices
Automotive systems
Industrial machinery
Product Lifecycle
Discontinued at Digi-Key, indicating a transition in product lifecycle stages
Alternatives or upgrades may be available directly from Murata Electronics
Several Key Reasons to Choose This Product
High-performance inductor from a reputable manufacturer ensures reliability
The high inductance value is ideal for applications requiring efficient energy storage or filtering
Low resistance and high-quality construction minimize losses and enhance efficiency
Suitable for a wide range of applications, from automotive to industrial settings
Despite being discontinued at Digi-Key, Murata’s global presence ensures support and potential availability elsewhere
LQH43MN652K03LMurata Power Solutions