The PLF10140T-4R7N4R2 is a wound inductor from TDK's PLF series. These inductors are known for their compact size and robust performance, making them well-suited for various power supply applications and other circuits where inductance is required.

Applications:

• DC-DC Converters: Commonly used in buck, boost, and buck-boost DC-DC converters for efficient energy storage and voltage regulation.
• Power Supplies for Portable Devices: Ideal for use in smartphones, tablets, laptops, and other battery-powered devices where space is limited.
• Noise Filtering: Used as a filter to suppress unwanted noise and electromagnetic interference (EMI) in electronic circuits.
• Power Chokes: Employed in power supplies to filter out high-frequency noise and ripple.
• Wireless Power Transfer Systems: Can be utilized in the resonant tank circuits of wireless charging systems.

Features:

• Compact Size: Its 10.0 x 10.0 mm footprint enables it to be used in applications where space is a concern.
• High Current Capability: Can handle relatively large currents without significant saturation effects.
• Magnetically Shielded: The shielded construction reduces EMI emissions and enhances the possibility of high-density mounting.
• Low DC Resistance (DCR): Reduces power loss, leading to improved energy efficiency.
• Excellent Inductance Stability: Maintains a stable inductance value over a wide temperature and frequency range.
• High Reliability: Offers robust performance and longevity in various operating conditions.

Benefits:

• Improved Efficiency: Lower DCR leads to reduced power dissipation, improving the efficiency of power supplies.
• Reduced EMI: The shielded design minimizes electromagnetic interference with surrounding circuits.
• Space Saving: Its small size makes it an ideal choice for applications with limited space.
• Stable Performance: The inductance stability ensures consistent performance over a broad range of operating conditions.
• Reliable Operation: Designed for long-term reliability, even in demanding applications.

Additional Details:

The PLF10140T-4R7N4R2 has an inductance value of 4.7 μH. The tolerance of the inductance value is indicated by the 'N', although the exact tolerance percentage requires looking at the TDK datasheet, typical tolerances would be +/- 20% or +/- 10%. The '4R2' likely corresponds to a specific resistance value. This inductor utilizes a ferrite core material. It is designed for surface mount technology (SMT) assembly, facilitating automated manufacturing. The inductor is typically rated for operation across a temperature range of -40°C to +125°C. It is compliant with RoHS standards, ensuring it is free of hazardous substances. Always refer to the official TDK datasheet for precise electrical characteristics, saturation current ratings, and recommended usage guidelines.