The VLF403212MT-4R7M is a wire-wound ferrite power inductor manufactured by TDK Corporation. It's designed for use in power supply circuits, offering excellent inductance characteristics and high current handling capabilities in a compact size.

Applications

• DC-DC converters
• Power supplies for portable devices
• LED lighting drivers
• Noise filters
• Buck-boost converters

Features

• Magnetically shielded construction: Reduces electromagnetic interference (EMI).
• High current capability: Designed to handle high current without saturation.
• Compact size: Allows for high-density mounting.
• Wire-wound construction: Provides stable inductance characteristics.
• Ferrite core: Offers high efficiency and low core loss.

Benefits

• Reduced EMI: Shielded construction minimizes electromagnetic radiation, improving system performance.
• Efficient power conversion: Low core loss and high current capability enhance power efficiency.
• Space saving: Compact size allows for miniaturization of electronic devices.
• Stable performance: Wire-wound construction ensures consistent inductance values.
• Reliable operation: High current handling and robust design provide reliable performance.

Specifications

While exact specifications require referring to the official TDK datasheet for the VLF403212MT-4R7M, typical specifications include:

• Inductance: 4.7 µH
• Tolerance: ±20%
• DC Resistance (DCR): Typically around 0.07 ohms
• Rated Current: Typically around 2.2 Amps
• Saturation Current: Typically around 3.0 Amps
• Self-Resonant Frequency (SRF): Typically around 60 MHz
• Operating Temperature Range: -40°C to +125°C
• Dimensions: 4.0 mm x 4.0 mm x 1.2 mm

The VLF403212MT-4R7M from TDK is a reliable and efficient inductor choice for power supply and filtering applications. Always consult the manufacturer's datasheet for complete and accurate specifications.