The SLF7028T-4R7M1R5-PF is a shielded power inductor manufactured by TDK Corporation. It is designed for use in DC-DC converters and power supply circuits requiring a compact size and good electrical characteristics.

Applications

• DC-DC Converters
• Power supplies for portable equipment
• Tablets
• Notebooks
• SSD drives

Features

• Shielded construction
• Compact size: 7.0 x 7.0 x 2.8 mm
• Inductance: 4.7 μH
• Tolerance: ±20%
• Rated Current: 1.5 A
• DC Resistance (DCR): 0.195 Ω (typical)
• Operating temperature range: -40°C to +105°C (Including self-temperature rise)

Benefits

• High Efficiency: Lower DC resistance reduces power losses in the circuit, improving efficiency.
• Compact Size: Allows for smaller and more compact designs.
• Shielded Construction: Minimizes electromagnetic interference (EMI) with surrounding components.
• Stable Performance: Offers stable electrical characteristics over a broad temperature range.
• RoHS Compliant: Environmentally friendly due to compliance with RoHS standards.

Technical Specifications

The SLF7028T-4R7M1R5-PF utilizes a ferrite core to achieve its inductance value. The shielded construction helps to contain the magnetic field and reduce EMI. The terminals are designed for surface mount reflow soldering. Care should be taken to adhere to TDK's recommended soldering profile during assembly. The component is supplied on tape and reel for automated pick and place manufacturing processes. The inductance is typically measured at 1 MHz.