The SLF12575T-220M4R0-TPF is a shielded power inductor manufactured by TDK Corporation. This inductor is designed for use in power supply circuits and DC-DC converters, where it provides efficient energy storage and filtering. Its shielded construction minimizes electromagnetic interference (EMI), making it suitable for sensitive electronic applications.

Applications

• DC-DC converters
• Power supplies for portable devices
• Power supplies for consumer electronics
• LED lighting applications
• Noise filtering in power circuits

Features

• Shielded construction for low EMI
• High current capacity
• Low DC resistance (DCR) for high efficiency
• Compact size for space-constrained applications
• Operating temperature range: -40°C to +125°C (including self-temperature rise)
• High energy storage
• Superior Inductance Temperature stability

Benefits

• Reduced electromagnetic interference, ensuring stable operation of nearby circuits.
• Efficient power conversion due to low DCR, minimizing power loss.
• Effective filtering of noise and ripple in power supply circuits.
• Suitable for high-density circuit board designs due to its small footprint.
• Improved reliability due to the wide operating temperature range.

Additional Details

The SLF12575T series features a magnetic shield structure, contributing to its excellent EMI characteristics. The flat wire used in its construction helps to reduce DC resistance and increase current handling capability. The 220µH inductance value makes it suitable for a variety of power management applications. This inductor also offers excellent temperature stability of inductance.

Specifications:

• Inductance: 22µH
• Tolerance: ±20%
• DC Resistance (DCR): 4 mΩ (typical)
• Saturation Current: 6.3A
• Rated Current: 4A
• Self-Resonant Frequency: 11MHz
• Shielded: Yes
• Operating Temperature: -40°C to +125°C