The LQH55DN151M03K is a wire-wound inductor manufactured by Murata Electronics North America, designed for various power supply applications. As part of the LQH55DN series, it is known for its high inductance value and ability to handle relatively high currents. This inductor is commonly used in DC-DC converters, power chokes, and noise filtering circuits.

Applications

• DC-DC Converters: Used in step-up, step-down, and inverting converters.
• Power Choke Applications: Provides inductance for smoothing current in power supplies.
• Noise Filtering Circuits: Filters unwanted noise from power lines.
• Power Amplifiers: Used for impedance matching and filtering.
• LED Lighting: Powering and controlling LED drivers.

Features

• High Inductance: Offers a relatively high inductance value, suitable for low-frequency applications.
• Wire-Wound Construction: Provides high efficiency and stable performance.
• Shielded Design: Reduces electromagnetic interference (EMI).
• High Current Handling: Capable of handling relatively high current levels.
• RoHS Compliant: Meets environmental regulatory standards.

Benefits

• Efficient Power Conversion: Low DC resistance minimizes power losses.
• Reduced EMI: Shielded design minimizes electromagnetic interference, ensuring stable operation.
• Stable Performance: Wire-wound construction provides consistent inductance over a wide temperature range.
• Reliable Operation: High current handling capability ensures reliable power delivery.
• Versatile Application: Suitable for a wide range of power supply applications.

Additional Details

The LQH55DN151M03K has an inductance value of 150μH. The exact rated current, DC resistance, and physical dimensions can be found in the official Murata datasheet. It is designed for surface mount assembly and reflow soldering processes. The robust construction and shielded design ensure reliable performance in demanding environments. Its application in DC-DC converters and power chokes highlights its importance in power management circuits.