CR4111S-15

Current Sensors Overview

The CR4111S-15 is a shielded power inductor from CR Magnetics Inc., designed for high-current applications. It features a molded construction with a nominal inductance of 15 µH and a saturation current rating of 11 A. The component utilizes a SMD surface-mount package, ensuring reliable integration into automated assembly processes. Key electrical specifications include a DC resistance of 0.008 ohms and a self-resonant frequency exceeding 2 MHz. The unit operates within a temperature range of -40°C to +125°C, providing stability for demanding power supply designs.

Current Sensors Feature Summary

• Shielded magnetic structure minimizes electromagnetic interference
• High saturation current capability supports peak load demands
• Molded epoxy construction ensures mechanical durability
• Surface-mount design facilitates efficient PCB assembly

Current Sensors Applications

• Point-of-load voltage regulation modules
• DC-DC converter output filtering stages
• Server and data center power distribution units
• Industrial motor drive control circuits

Current Sensors Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm tolerance and packaging configuration. Ensure that the requested quantity aligns with standard reel sizes if tape-and-reel delivery is required. Cross-reference the RoHS compliance status with the latest regulatory documentation prior to finalizing procurement orders.

Current Sensors Selection Notes

Evaluate the saturation current threshold relative to the maximum expected load transient to prevent core saturation. Compare the DC resistance value against thermal management requirements to ensure acceptable power loss levels. Confirm that the physical footprint matches the available PCB real estate and that the mounting pad layout corresponds to the recommended land pattern guidelines.

Current Sensors Part Context

This component belongs to the CR4111 series of shielded power inductors, which are engineered for robust performance in compact power electronics. The series is characterized by low profile dimensions and high current handling capabilities, making it suitable for modern space-constrained designs requiring efficient energy storage and filtering solutions.

Current Sensors Replacement Considerations

Consult the manufacturer's cross-reference guide for direct equivalents. Verify that any substitute part maintains identical inductance values, current ratings, and physical dimensions to ensure seamless integration without redesigning the printed circuit board layout.