This document describes the features and characteristics of VLCF series SMD inductors, including miniature size, high magnetic shield construction, and applications in portable DC to DC converters.
The VLCF4018-2 series from TDK is a miniature SMD inductor designed for portable DC‑DC converter lines. It features a compact 4 × 4 mm mount area, a maximum height of 1.8 mm, high magnetic shielding for EMC protection, and lead‑free solderability.
The datasheet lists detailed electrical parameters such as inductance values, rated currents, and DC resistance for each part number, as well as recommended PCB patterns, RoHS compliance, and typical applications like DC‑DC converters for DVC, DSC, PDA, MD, LCD displays, and HDDs.
| Mount area | 4 × 4 mm |
|---|---|
| Maximum height | 1.8 mm |
| Operating temperature range | 40 °C to +105 °C |
| Rated current (example) | 1.6 A for VLCF4018T‑1R6N1R7‑2 |
| Inductance (example) | 1.6 µH for VLCF4018T‑1R6N1R7‑2 |
The maximum height is 1.8 mm.
Yes, the series conforms to the RoHS Directive.
The inductor can operate from 40 °C up to +105 °C.
Typical applications include DC‑DC converters for DVC, DSC, PDA, MD, LCD displays, HDDs, and similar portable devices.