The SLF7045-220MR90-PF is a shielded power inductor from TDK Corporation. This inductor is specifically designed to be used in power supply circuits where efficient energy storage and filtering are required.

Applications:

• DC-DC converters
• Power supplies for various electronic devices
• LED lighting applications
• Voltage regulators
• Noise filtering in power lines

Features:

• Shielded Construction: Reduces electromagnetic interference (EMI).
• Compact Size: Dimensions are 7.3 x 7.0 x 4.5 mm.
• High Current Capability: Designed to handle substantial current levels.
• Low DC Resistance (DCR): Minimizes power loss for improved efficiency.
• RoHS Compliant: Environmentally friendly and compliant with RoHS standards.

Benefits:

• Reduced EMI: Minimizes interference with other electronic components, ensuring stable system performance.
• Efficient Power Conversion: Low DCR leads to less power dissipation and higher efficiency.
• Space Saving: Compact size allows for use in space-constrained applications.
• Stable Inductance: Provides a consistent inductance value under different operating conditions.
• Reliable Operation: Ensures long-term reliability in demanding environments.

Technical Specifications:

Inductance: 22 μH

Tolerance: ±20%

Rated Current: 0.9 A

DC Resistance (DCR): 0.38 Ω (typical)

Self-Resonant Frequency (SRF): 25 MHz (typical)

Operating Temperature: -40°C to +125°C (including self-temperature rise)

The SLF7045 series power inductors employ a shielded structure with a metallic magnetic material, making them well-suited for power circuits where noise reduction is paramount. The combination of compact size, high current handling, and excellent EMI characteristics makes the SLF7045-220MR90-PF a versatile component for a wide range of power supply designs.