LQH43CN100K03L

The LQH43CN100K03L is an inductor manufactured by Murata Electronics, designed for use in various electronic applications, particularly in power supply circuits and filtering applications. Here’s a detailed description of its features and specifications:

General Description:

The LQH43CN100K03L is a surface-mount inductor that is part of Murata's LQH series, known for their compact size and high performance. This inductor is specifically designed to provide efficient energy storage and filtering capabilities in electronic circuits.

Physical Characteristics:

• Package Size: The inductor is housed in a compact 4.3 mm x 4.3 mm footprint, making it suitable for space-constrained applications.
• Height: The height of the inductor is approximately 3.0 mm, allowing for low-profile designs.
• Construction: It features a robust construction that ensures reliability and durability, suitable for various environmental conditions.

Electrical Specifications:

• Inductance Value: The LQH43CN100K03L has an inductance value of 10 µH (microhenries), which is ideal for applications requiring moderate energy storage.
• Rated Current: It can handle a rated current of up to 1.5 A, making it suitable for power applications where higher currents are present.
• DC Resistance (DCR): The inductor has a low DC resistance, typically around 0.12 ohms, which minimizes power loss and improves efficiency.
• Self-Resonant Frequency (SRF): The self-resonant frequency is high, allowing the inductor to operate effectively at various frequencies without significant losses.

Performance Characteristics:

• Temperature Range: The operating temperature range is typically from -40°C to +125°C, making it suitable for a wide range of applications, including automotive and industrial environments.
• Shielding: The inductor is shielded, which helps to reduce electromagnetic interference (EMI) and ensures stable performance in sensitive applications.

Applications:

The LQH43CN100K03L is commonly used in:

• Power supply circuits (buck converters, boost converters)
• DC-DC converters
• Filtering applications in audio and RF circuits
• Energy storage in battery management systems

Conclusion:

The LQH43CN100K03L from Murata Electronics is a versatile and reliable inductor that combines compact size with high performance. Its specifications make it an excellent choice for a variety of electronic applications, particularly where space and efficiency are critical.