LQP03HQ18NH02D

The LQP03HQ18NH02D is a high-performance 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 key features and specifications:

Physical Characteristics:

• Form Factor: The LQP03HQ18NH02D is a surface-mount device (SMD) in a compact package, which allows for easy integration into printed circuit boards (PCBs).
• Dimensions: The inductor typically measures around 3.2 mm x 1.6 mm x 1.6 mm, making it suitable for space-constrained applications.
• Weight: It is lightweight, which is beneficial for portable electronic devices.

Electrical Specifications:

• Inductance Value: The inductor has a nominal inductance of 18 µH, which is suitable for various filtering and energy storage applications.
• DC Resistance (DCR): The DCR is low, typically in the range of a few ohms, which minimizes power loss and improves efficiency in power 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.
• Self-Resonant Frequency (SRF): The inductor features a high self-resonant frequency, which allows it to operate effectively at higher frequencies without significant losses.

Performance Characteristics:

• Temperature Range: The LQP03HQ18NH02D operates effectively over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in various environmental conditions.
• Shielding: The inductor is designed with magnetic shielding to reduce electromagnetic interference (EMI), making it ideal for sensitive applications.
• Quality Factor (Q): The inductor exhibits a high Q factor, which indicates low energy loss and high efficiency, particularly important in RF applications.

Applications:

• Power Supply Circuits: It is commonly used in DC-DC converters, buck converters, and other power management systems.
• RF Applications: The inductor is suitable for RF filtering, impedance matching, and tuning circuits in communication devices.
• Consumer Electronics: It can be found in smartphones, tablets, and other portable devices where space and efficiency are critical.

Compliance and Reliability:

• RoHS Compliance: The LQP03HQ18NH02D is compliant with RoHS standards, ensuring it is free from hazardous substances.
• Reliability: Murata Electronics is known for its high-quality manufacturing processes, which contribute to the reliability and longevity of their inductors.

In summary, the LQP03HQ18NH02D from Murata Electronics is a versatile and efficient inductor suitable for a wide range of applications, particularly in power management and RF circuits, thanks to its compact size, low DCR, and high performance characteristics.