The LQH32MN331K21L is a shielded, wound inductor from Murata Electronics designed for power supply circuits. This inductor offers a compact size and excellent electrical characteristics, making it suitable for a variety of applications where space is a constraint.

Applications:

• DC-DC converters: Used in step-up and step-down converters to efficiently regulate voltage levels.
• Power supplies for portable devices: Ideal for smartphones, tablets, and other battery-powered electronics.
• Noise filtering: Employed in circuits to suppress unwanted noise and interference.
• Voltage regulators: Integrated into voltage regulator modules for stable power delivery.
• Energy storage: Can be utilized for storing energy in power management systems.

Features:

• Small size: Compact dimensions allow for high-density board mounting.
• Shielded construction: Reduces electromagnetic interference (EMI) with surrounding components.
• High current capacity: Capable of handling significant current without saturation.
• Excellent inductance stability: Maintains consistent inductance value over a wide temperature range.
• RoHS compliant: Meets environmental standards for hazardous substance restrictions.

Benefits:

• Improved power efficiency: Minimizes power losses in DC-DC converters, leading to better battery life.
• Reduced EMI: Prevents interference with sensitive circuits, ensuring reliable operation.
• Compact design: Enables smaller and lighter electronic devices.
• Stable performance: Provides consistent inductance value across varying operating conditions.
• Environmentally friendly: Complies with RoHS standards, reducing environmental impact.

Additional Details:

The LQH32MN331K21L has an inductance value of 330 μH (microhenries) and a tolerance of ±10%. Its self-resonant frequency (SRF) is typically in the MHz range, which makes it suitable for higher frequency applications. It is designed for surface mount technology (SMT) and is supplied in tape and reel packaging for automated assembly. The operating temperature range is typically -40°C to +85°C. The DC resistance (DCR) is low, minimizing power loss due to resistive heating. This inductor is commonly used with a variety of integrated circuits from different manufacturers in DC-DC converter applications. The core material is typically a ferrite material, which offers high permeability and low core losses.