LQM18FN1R0M00D

The LQM18FN1R0M00D is an inductor manufactured by Murata Electronics, designed for use in various electronic applications, particularly in power supply circuits and RF (radio frequency) applications. Here’s a detailed description of its features and specifications:

General Characteristics:

• Type: The LQM18FN1R0M00D is a surface-mount inductor, which means it is designed to be mounted directly onto the surface of a printed circuit board (PCB).
• Form Factor: It typically comes in a compact package size, which is beneficial for space-constrained applications. The dimensions are approximately 1.8 mm x 1.6 mm x 1.0 mm, making it suitable for modern, miniaturized electronic devices.

Electrical Specifications:

• Inductance Value: The inductor has a nominal inductance of 1.0 µH (microhenry), which is suitable for various filtering and energy storage applications.
• DC Resistance (DCR): The DCR is low, typically around 0.025 ohms, which helps minimize power loss and improve efficiency in circuits.
• Rated Current: The inductor can handle a rated current of up to 1.5 A, making it suitable for applications that require moderate current handling.
• Saturation Current: The saturation current rating is an important specification, indicating the maximum current the inductor can handle before its inductance significantly drops. This is typically around 2.0 A for this model.

Performance Characteristics:

• Temperature Range: The operating temperature range is generally from -40°C to +125°C, allowing it to function reliably in a variety of environmental conditions.
• Self-Resonant Frequency (SRF): The inductor has a high self-resonant frequency, which is beneficial for RF applications, ensuring that it can operate effectively without unwanted resonance effects.

Applications:

• The LQM18FN1R0M00D is commonly used in:
  • DC-DC converters
  • Power management circuits
  • RF circuits
  • Filtering applications in consumer electronics, automotive, and industrial devices.

Construction:

• Core Material: The inductor is typically constructed with a ferrite core, which provides good magnetic properties and helps achieve the desired inductance value while maintaining efficiency.
• Shielding: It may feature magnetic shielding to reduce electromagnetic interference (EMI) and improve performance in sensitive applications.

Compliance and Standards:

• The inductor is likely to comply with various industry standards, ensuring reliability and safety in electronic designs.

Conclusion:

The LQM18FN1R0M00D from Murata Electronics is a versatile and efficient surface-mount inductor, ideal for a wide range of applications in modern electronic devices. Its compact size, low DCR, and robust performance characteristics make it a popular choice among engineers and designers looking for reliable inductive components.