The SLF10040T-220M2R9-T3PF is a shielded power inductor manufactured by TDK Corporation. It's designed for use in power supply circuits and DC-DC converters, providing efficient energy storage and filtering.

Applications:

• DC-DC Converters: Step-up, step-down, and inverting DC-DC converters.
• Power Supplies: Regulation and filtering in power supplies for various electronic devices.
• Portable Devices: Power management in smartphones, tablets, and other battery-powered devices.
• Audio Amplifiers: Filtering and noise reduction in audio amplifier circuits.
• LED Lighting: Powering and controlling LEDs in lighting applications.

Features:

• Shielded Construction: Minimizes electromagnetic interference (EMI).
• High Current Capability: Handles high current levels without saturation.
• Low DC Resistance (DCR): Reduces power losses and improves efficiency.
• Small Size: Compact footprint for space-constrained applications.
• Operating Temperature: Wide operating temperature range for reliable performance in various environments.

Benefits:

• Reduced EMI: Shielded construction minimizes electromagnetic interference, ensuring stable operation of nearby circuits.
• High Efficiency: Low DCR minimizes power losses, resulting in higher efficiency in power supply circuits.
• Stable Performance: Wide operating temperature range ensures reliable performance in harsh environments.
• Space Saving: Compact size allows for use in space-constrained applications.
• Reliable Operation: Designed and manufactured to TDK's high quality standards, ensuring reliable operation.

Additional Details:

The SLF10040T-220M2R9-T3PF has an inductance of 22µH, a tolerance of ±20%, and a rated current of 2.9A. Its saturation current is approximately 4.3A. The DC resistance is typically around 0.064 ohms. The operating temperature range is -40°C to +125°C. It is RoHS compliant. The dimensions are approximately 10.2mm x 10.2mm x 4.0mm. This inductor is commonly used in switching regulators and power management circuits where high efficiency and low EMI are crucial.