The TSL1112S-472JR21-PF is a shielded power inductor manufactured by TDK Corporation. These inductors are designed for high-efficiency power conversion and are well-suited for a variety of applications requiring a compact size and robust performance.

Applications:

• DC-DC converters: Widely used in step-up (boost) and step-down (buck) converters for voltage regulation.
• Power supplies: Employed in power supplies for various electronic devices.
• Portable devices: Ideal for use in smartphones, tablets, and other portable electronics where space is limited.
• LED lighting: Used in LED drivers to provide stable current and voltage.
• Automotive electronics: Can be found in various automotive applications, including power management systems.

Features:

• Shielded construction: Minimizes electromagnetic interference (EMI).
• High current carrying capacity: Designed to handle high currents without saturation.
• Compact size: Small footprint for space-constrained applications.
• Low DC resistance: Reduces power loss and improves efficiency.
• Excellent temperature stability: Stable performance over a wide temperature range.

Benefits:

• Improved efficiency: Low DC resistance contributes to higher power conversion efficiency.
• Reduced EMI: Shielded construction minimizes electromagnetic interference, ensuring reliable operation of nearby components.
• Space saving: Compact size allows for smaller and more efficient designs.
• Reliable performance: Excellent temperature stability ensures consistent performance under varying operating conditions.
• High current handling: Suitable for applications requiring high current levels.

Additional Details:

The TSL1112S series from TDK are known for their robust construction and suitability for demanding power applications. Specific electrical characteristics such as inductance value (4.7uH in this case, implied by 472), tolerance, and saturation current are key parameters to consider when selecting this inductor for a particular application. Always consult the TDK datasheet for precise specifications to ensure optimal performance and reliability. The 'PF' suffix usually refers to packaging details, such as packaging type for automated assembly.