The VLPF6224T-4R7M1R9 is a wire-wound power inductor manufactured by TDK Corporation. It is designed for use in DC-DC converters and power management circuits, primarily in applications demanding a combination of high efficiency, compact size, and low profile.

Applications

• DC-DC converters in portable devices
• Power supplies for SSDs and HDDs in tight spaces
• Voltage regulators in mobile devices
• Point-of-Load (POL) converters for space-constrained applications
• Power management in thin and light electronic devices

Features

• Low Profile: 6.2 x 6.2 x 2.4 mm dimensions
• Inductance: 4.7 µH
• Low DC Resistance (DCR): Reduces power loss and improves efficiency
• Shielded Construction: Minimizes electromagnetic interference (EMI)
• Operating Temperature Range: Typically -40°C to +85°C (check datasheet)
• RoHS Compliant: Environmentally friendly, lead-free

Benefits

• Improved Power Efficiency: Low DCR minimizes resistive losses, extending battery life in portable devices
• Reduced Electromagnetic Interference: Shielded construction helps prevent EMI from affecting sensitive circuits
• Space-Saving Design: Low profile and compact footprint enable higher component density in thin and light devices
• Reliable Performance: Stable operation across a wide range of temperatures
• Simplified Assembly: Surface-mount design is compatible with automated manufacturing

Additional Details

The VLPF6224T-4R7M1R9 inductor uses a ferrite core material. The shielded construction is implemented through a magnetic resin that encapsulates the coil, containing the magnetic field and minimizing EMI. The "4R7M" indicates a 4.7 µH inductance value, and the "1R9" might refer to a specific tolerance range, saturation current characteristic, or other electrical refinement. Always consult the datasheet for precise electrical characteristics, including DC resistance, saturation current, and rated current information.

Specific Electrical Characteristics:

• Inductance: 4.7 µH (measured at a specified frequency, typically 1 MHz)
• DC Resistance (DCR): Consult the datasheet for the exact DCR value.
• Saturation Current (Isat): Refer to the datasheet for the Isat rating.
• Rated Current (Irms): Refer to the datasheet for the Irms rating.