The VLP8040T-4R7N is a wire-wound power inductor manufactured by TDK Corporation. This inductor is designed for DC-DC converters and power management circuits in various electronic applications where high efficiency and compact size are important.

Applications

• DC-DC converters in portable electronic devices
• Power supplies for SSDs and HDDs
• Voltage regulators in mobile devices
• Point-of-Load (POL) converters
• Power management systems in general electronic circuits

Features

• Compact Size: 8.0 x 8.0 x 4.0 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 +125°C (Consult Datasheet)
• RoHS Compliant: Environmentally friendly, lead-free

Benefits

• Improved Power Efficiency: Low DCR minimizes resistive losses, leading to longer battery life in portable devices
• Reduced Electromagnetic Interference: Shielded construction helps prevent EMI issues in sensitive circuits
• Space-Saving Design: Compact form factor enables higher component density on circuit boards
• Reliable Performance: Stable operation across a wide range of temperatures
• Simplified Assembly: Surface-mount design is compatible with automated manufacturing processes

Additional Details

The VLP8040T-4R7N inductor uses a ferrite core material. The shielded construction involves a magnetic resin that surrounds the coil to contain the magnetic field and minimize EMI. The "4R7N" designation indicates a 4.7 µH inductance value. Please consult the datasheet for precise electrical specifications, including DC resistance, saturation current, and rated current.

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): Consult the datasheet for Isat.
• Rated Current (Irms): Consult the datasheet for Irms.