The PLF10140T-101MR90 is a wound inductor from TDK, belonging to the PLF series. These inductors are characterized by their small size and high performance, making them suitable for a variety of power supply circuits and other applications requiring inductance.

Applications:

• DC-DC converters: Used in step-up, step-down, and inverting DC-DC converters to store energy and regulate voltage.
• Power supply circuits for portable devices: Ideal for smartphones, tablets, and other battery-powered devices due to their compact size and efficiency.
• Noise filters: Used as a filter to suppress unwanted noise and EMI in electronic circuits.
• Power chokes: Used in power supplies to filter out high-frequency noise.
• Wireless Charging Systems: Used in the resonant tank circuit for power transfer.

Features:

• Small Size: Compact dimensions (10.0 x 10.0 mm footprint) for space-constrained applications.
• High Current Capacity: Handles relatively high currents without significant saturation.
• Magnetically Shielded Construction: Reduces EMI and allows for high-density mounting.
• Low DC Resistance (DCR): Minimizes power loss and improves efficiency.
• Excellent Inductance Stability: Maintains stable inductance values over a wide range of temperatures and frequencies.
• High Reliability: Robust design for demanding applications.

Benefits:

• Improved Efficiency: Low DCR reduces power loss, leading to improved efficiency in DC-DC converters and power supplies.
• Reduced EMI: Magnetically shielded construction minimizes electromagnetic interference, ensuring stable operation of nearby circuits.
• Space Saving: Small size allows for compact designs, ideal for portable devices and other space-constrained applications.
• Stable Performance: Excellent inductance stability ensures consistent performance over a wide range of operating conditions.
• High Reliability: Robust design provides long-term reliability in demanding applications.

Additional Details:

The PLF10140T-101MR90 features an inductance value of 100 μH. The 'M' in the part number indicates a tolerance of ±20%. The 'R90' likely corresponds to a specific resistance value. This inductor is constructed with a ferrite core and is designed for surface mount technology (SMT) assembly. The operating temperature range is typically -40°C to +125°C. It meets RoHS compliance, indicating it is free from hazardous substances. The saturation current is a crucial parameter to consider for each specific application, this specifies the current level at which the inductance starts to drop significantly (typically 20-30% drop). Please refer to the TDK datasheet for detailed electrical characteristics and recommended operating conditions.