The VLS3012ET-4R7M-2L is a wire-wound inductor manufactured by TDK Corporation. It is designed for power supply circuits, specifically in applications where a small size and low profile are critical. This inductor offers a compact solution for DC-DC converters and other power management circuits.

Applications

• DC-DC converters
• Power supply circuits for portable devices
• Smartphones and tablets
• Digital cameras
• LED lighting

Features

• Small size: The compact dimensions of 3.0 x 3.0 x 1.2 mm make it suitable for space-constrained applications.
• Magnetically shielded construction: Reduces electromagnetic interference (EMI).
• Low DC resistance: Improves efficiency by minimizing power loss.
• High current handling capability: Allows for operation in high-current circuits.
• Operating temperature range: Typically -40°C to +85°C (including self-temperature rise).

Benefits

• Space saving: Its small size allows for high-density circuit designs.
• Reduced EMI: The shielded construction minimizes interference with other components.
• Improved efficiency: Low DC resistance reduces power loss, leading to better overall efficiency.
• Reliable performance: Designed for stable operation in various environmental conditions.
• Stable Inductance: Maintains stable inductance over a wide temperature range.

Additional Details

The VLS3012ET series utilizes a ferrite core material. The inductance value is 4.7µH with a tolerance of ±20%. It is similar to VLS3012ET-4R7M-2, but may have slight differences in rated current or DC resistance. This inductor is typically surface-mounted and is RoHS compliant. Refer to the specific datasheet for the '-2L' variant for definitive electrical characteristics.

Proper PCB layout is crucial for optimal performance. Keep traces short and wide to minimize parasitic inductance and resistance. Place a ground plane underneath the inductor to further reduce EMI.