The VLF3012A-4R7MR74 is a wire-wound inductor from TDK Corporation, designed for power circuit applications. This inductor is characterized by its small size, low DC resistance, and high current handling capabilities. Its shielded construction minimizes electromagnetic interference (EMI), making it suitable for sensitive electronic devices.

Applications

• DC-DC converters
• Power supplies for portable devices
• Noise filters
• Buck and boost converters
• Power amplifiers

Features

• Small size: 3.0 x 3.0 x 1.2 mm
• Shielded construction for low EMI
• Low DC resistance
• High current handling capability
• Operating temperature range: -40°C to +105°C (including self-temperature rise)

Benefits

• Improved power efficiency due to low DC resistance
• Reduced electromagnetic interference, preventing noise issues in nearby circuits
• Space-saving design for compact devices
• Stable performance over a wide temperature range
• Reliable operation in demanding power applications

Additional Details

The VLF3012A-4R7MR74 has an inductance value of 4.7 μH with a tolerance of ±20%. Its DC resistance is typically 0.074 Ω, and it can handle a rated current of 740 mA. The saturation current is 850mA. This inductor utilizes a ferrite core material and is designed for surface mount technology (SMT) assembly. Its compact size and robust characteristics make it an ideal choice for a wide variety of power management applications, especially in portable and space-constrained designs. The reflow soldering profile should be in accordance with the manufacturer's recommendations to ensure proper component mounting and long-term reliability.