LQW18AN47NG00D

The LQW18AN47NG00D is a high-performance inductor manufactured by Murata Electronics, designed for use in various electronic applications, particularly in RF (radio frequency) and power supply circuits. Here’s a detailed description of its features and specifications:

General Characteristics:

• Type: The LQW18AN47NG00D is a wire-wound inductor, which is known for its reliability and efficiency in energy storage and filtering applications.
• Form Factor: It typically comes in a compact, surface-mount package, making it suitable for modern PCB designs where space is at a premium.

Electrical Specifications:

• Inductance Value: The inductor has a nominal inductance of 47 µH (microhenries), which makes it suitable for applications requiring moderate inductance.
• DC Resistance (DCR): The inductor features a low DC resistance, which minimizes power loss and improves efficiency in circuits.
• Rated Current: It is designed to handle a specific rated current, which is crucial for applications where the inductor will be subjected to varying load conditions. The rated current is typically specified in the datasheet and is an important parameter for ensuring reliable operation without saturation.
• Saturation Current: The inductor has a defined saturation current level, beyond which the inductance value may drop significantly. This is a critical specification for applications that may experience high transient currents.

Physical Characteristics:

• Dimensions: The LQW18AN47NG00D is designed in a compact size, often around 1.8 mm x 1.6 mm x 1.0 mm, allowing for efficient use of space on PCBs.
• Weight: The inductor is lightweight, which is beneficial for portable and mobile applications.
• Material: It is constructed using high-quality magnetic materials that enhance performance and stability over a wide range of temperatures.

Performance:

• Temperature Range: The inductor operates effectively over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.
• Quality Factor (Q): The inductor exhibits a high Q factor, indicating low energy loss at high frequencies, which is essential for RF applications.
• Self-Resonant Frequency (SRF): The inductor has a specified self-resonant frequency, beyond which it may not perform effectively. This is an important consideration for high-frequency applications.

Applications:

The LQW18AN47NG00D is commonly used in:

• Power Supply Circuits: For filtering and energy storage in DC-DC converters.
• RF Applications: In RF circuits for tuning and filtering purposes.
• Consumer Electronics: Such as smartphones, tablets, and other portable devices where space and efficiency are critical.

Conclusion:

The LQW18AN47NG00D from Murata Electronics is a versatile and efficient inductor that meets the demands of modern electronic applications. Its compact size, low DC resistance, and high performance make it an ideal choice for engineers looking to optimize their designs for both size and efficiency. For specific applications, it is advisable to refer to the detailed datasheet provided by Murata for precise electrical characteristics and performance metrics.