LQH43CN331K03L

The LQH43CN331K03L is a type of 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: SMD (Surface Mount Device) inductor
• Series: LQH series, known for compact size and high performance
• Form Factor: The inductor is typically rectangular, designed for easy mounting on printed circuit boards (PCBs).

Electrical Specifications:

• Inductance Value: 330 µH (microhenries), which indicates its ability to store energy in a magnetic field when electrical current flows through it.
• Tolerance: ±10%, meaning the actual inductance can vary by this percentage from the nominal value.
• DC Resistance (DCR): Low resistance value, typically around 0.15 ohms, which minimizes power loss and heat generation during operation.
• Rated Current: The inductor can handle a maximum current (often referred to as saturation current) without significant inductance drop, which is crucial for maintaining performance under load.

Physical Characteristics:

• Dimensions: The inductor has compact dimensions, typically around 4.5 mm x 4.0 mm x 3.0 mm, making it suitable for space-constrained applications.
• Weight: Lightweight, which is beneficial for portable devices and applications where weight is a concern.
• Material: Constructed with high-quality magnetic materials to ensure efficient performance and reliability.

Performance Features:

• Temperature Range: Designed to operate effectively within a specified temperature range, often from -40°C to +125°C, making it suitable for various environmental conditions.
• Shielding: The inductor may feature magnetic shielding to reduce electromagnetic interference (EMI) with nearby components, enhancing overall circuit performance.

Applications:

• Power Supply Circuits: Commonly used in DC-DC converters, voltage regulators, and power management systems.
• RF Applications: Suitable for use in RF circuits, including filters and oscillators, due to its stable inductance and low loss characteristics.
• Consumer Electronics: Found in devices such as smartphones, tablets, and other portable electronics where space and efficiency are critical.

Compliance and Standards:

• The LQH43CN331K03L typically complies with industry standards for quality and reliability, ensuring it meets the requirements for various applications.

In summary, the LQH43CN331K03L from Murata Electronics is a compact, high-performance inductor suitable for a wide range of electronic applications, characterized by its low DC resistance, stable inductance, and robust construction. Its design makes it an ideal choice for modern electronic devices that require efficient power management and minimal space usage.