The SLDA31-3R400G-S1TF is a shielded power inductor manufactured by Sunlord. It's designed for use in DC-DC converters and power supply circuits, providing efficient energy storage and filtering. The shielded construction minimizes electromagnetic interference (EMI).

Applications

• DC-DC Converters: Used in step-up (boost), step-down (buck), and other DC-DC converter topologies to store energy and provide voltage regulation.
• Power Supplies: Employed in various power supply circuits for filtering and smoothing output voltage, reducing ripple and noise.
• Point-of-Load (POL) Regulators: Used in POL regulators to provide localized power conversion and regulation for specific components or subsystems.
• LED Lighting: Utilized in LED driver circuits to provide stable and efficient power to LEDs.
• Portable Devices: Suitable for power management in portable devices like smartphones, tablets, and laptops.

Features

• Shielded Construction: Minimizes electromagnetic interference (EMI) to prevent noise from affecting surrounding circuits.
• High Current Handling: Designed to handle high DC currents without significant saturation.
• Low DC Resistance (DCR): Low DCR minimizes power losses and improves efficiency.
• Compact Size: Small footprint allows for use in space-constrained applications.
• Wide Operating Temperature Range: Operates reliably over a wide range of temperatures.
• RoHS Compliant: Compliant with RoHS environmental regulations.

Benefits

• Reduced EMI: Shielded construction minimizes electromagnetic interference, improving overall system performance.
• High Efficiency: Low DCR minimizes power losses, leading to improved efficiency in power conversion circuits.
• Reliable Operation: Designed for reliable operation in demanding environments.
• Compact Design: Small size allows for use in space-constrained applications.
• Meets Environmental Standards: RoHS compliance ensures compliance with environmental regulations.

Additional Details

The 3R4 in the part number signifies an inductance value of 3.4 μH (microhenries). The 'G' likely refers to a tolerance code. The S1TF likely indicates packaging and specific characteristics that are defined in Sunlord's product documentation, which contains detailed electrical specifications, mechanical dimensions, and performance characteristics. It's crucial to consult the datasheet for complete details on current ratings, saturation current, and other parameters.