The VLCF4018T-100MR74-2N is a wire-wound inductor from TDK Corporation, designed for power circuit applications requiring a small footprint and high performance. This inductor is part of the VLCF series, known for its compact size and good electrical characteristics. It is especially suited for use in mobile devices and other space-constrained applications.

Applications:

• DC-DC converters in portable devices
• Power supplies for smartphones and tablets
• Noise filtering in power lines
• Voltage regulators

Features:

• Compact size: 4.0 x 4.0 x 1.8 mm
• Inductance: 10 μH
• High rated current capability
• Magnetically shielded construction
• Low DC resistance (DCR)

Benefits:

• Saves space in compact electronic devices.
• Offers efficient power conversion due to low DCR.
• Reduces EMI and allows for use in sensitive circuits.
• Maintains stable performance over a wide range of operating conditions.
• Contributes to the overall reliability of the application.

Technical Specifications:

• Inductance: 10 μH ±20%
• DC Resistance (DCR): 0.74 Ω (maximum)
• Rated Current: 0.45 A
• Saturation Current: 0.72 A (typical)
• Operating Temperature Range: -40°C to +125°C (including self-temperature rise)
• Self-Resonant Frequency (SRF): 25 MHz (typical)

The VLCF4018T-100MR74-2N inductor’s shielded structure effectively contains the magnetic field, which reduces interference with other nearby components. Its minimal DC resistance lowers power losses, thus improving the power supply efficiency. The high rated current ensures stable functionality even under high load scenarios. Conforming to RoHS standards guarantees the device's environmentally sound composition.

To maximize performance, following the manufacturer's suggested circuit layout and design principles is critical. The TDK datasheet for the VLCF4018T-100MR74-2N contains comprehensive details about the component’s features and usage guidelines. Reviewing this data is important for guaranteeing proper setup and extending the lifespan of the inductor.