The VLF4012AT-220MR51-LC is a wire-wound inductor manufactured by TDK Corporation. It is part of the VLF series, known for its compact size and excellent inductance characteristics. This inductor is designed for use in power circuits, particularly in mobile devices and other small electronic equipment, where space is a premium. The LC suffix suggests a lead-free construction and compatibility with reflow soldering processes.

Applications:

• DC-DC converters in portable devices: Specifically smartphones, tablets, and wearable technology.
• Power supply circuits: Used for voltage regulation and noise filtering.
• High-frequency power inductors: Suited for applications needing high efficiency and small size.
• Noise filtering in signal lines: Reduces unwanted electromagnetic interference.

Features:

• Small Size: Dimensions are optimized for compact designs.
• Magnetically Shielded: Minimizes electromagnetic interference (EMI).
• High Current Capability: Can handle relatively large currents for its size.
• Excellent Inductance Stability: Maintains stable inductance over a range of temperatures and frequencies.
• Lead-Free Construction: Compliant with RoHS standards.

Benefits:

• Space Saving: Enables smaller and more compact electronic devices.
• Reduced EMI: Improves the overall performance and reliability of the device by minimizing interference.
• Efficient Power Conversion: Helps to improve the energy efficiency of DC-DC converters.
• Reliable Performance: Provides stable and consistent performance in demanding applications.
• Environmental Compliance: Meets environmental regulations for lead content.

Specifications:

The VLF4012AT-220MR51-LC has an inductance of 22µH. Its dimensions are 4.0mm x 4.0mm x 1.2mm. It is designed for reflow soldering. It has a shielded construction. The rated current is specific to the part number and can be found in the TDK datasheet. The operating temperature range is also detailed in the datasheet.