The VLS252012HBX-3R3M is a wire-wound inductor manufactured by TDK Corporation, commonly used in power supply circuits and other applications where a compact size and reliable performance are crucial. It is part of the VLS series known for magnetic shielding and robust construction.

Applications:

• DC-DC converters
• Power supply circuits for portable devices and consumer electronics
• Noise filtering in electronic circuits
• Choke coils in power management systems
• Buck or Boost converter circuits

Features:

• Compact size: 2.5mm x 2.0mm x 1.2mm
• Inductance value: 3.3µH
• High current carrying capacity for its size
• Magnetically shielded to minimize electromagnetic interference (EMI)
• Operating temperature range: -40°C to +105°C (including self-temperature rise)
• Excellent solderability for easy mounting

Benefits:

• Miniaturization: Enables smaller and lighter electronic devices due to its compact size.
• Reliable Performance: Provides stable inductance and current handling capabilities in demanding power applications.
• Reduced EMI: The shielded construction minimizes interference with other components, ensuring signal integrity.
• Wide Temperature Range: Suitable for use in diverse environmental conditions.
• Efficient Power Delivery: High current capability allows for efficient power transfer in DC-DC converters.

Additional Details:

The VLS252012HBX-3R3M inductor uses a ferrite core material to achieve its inductance value and maintain stability across temperature variations. The magnetic shielding is critical in densely populated circuit boards where minimizing EMI is essential. The inductance tolerance is typically ±20%. It's important to check the saturation current in the datasheet to make sure the inductance does not drastically drop at the operating current. The DC resistance (DCR) and self-resonant frequency (SRF) are also important electrical characteristics to consider during circuit design. Proper PCB layout techniques should be used to ensure optimal performance.