SD3814-4R7-R

Fixed Inductors Overview

The SD3814-4R7-R is a fixed surface-mount power inductor from Eaton Electronics Division. It features a ferrite drum core and wirewound construction with a nominal inductance of 4.7 µH. The component supports a maximum DC current of 1.06 A and reaches saturation at 1.29 A. Its maximum DC resistance is 141 mΩ, with an inductance tolerance of ±15%. Designed for automotive applications, it operates within a temperature range of -55°C to +125°C.

Fixed Inductors Feature Summary

• Semi-shielded drum core design for electromagnetic interference reduction
• Automotive-grade reliability with extended temperature operation
• Surface-mount termination for automated PCB assembly

Fixed Inductors Applications

• Automotive electronic systems
• Power supply filtering circuits
• DC-DC converter input/output stages

Fixed Inductors Procurement Notes

Verify the specific manufacturer designation, as sources list both Eaton Electronics Division and Coiltronics. Confirm the package style matches your footprint requirements. Ensure the ±15% tolerance aligns with circuit design constraints. Check for RoHS compliance documentation if required by your manufacturing standards.

Fixed Inductors Selection Notes

Select this component when a compact, semi-shielded inductor is needed for automotive environments. The 4.7 µH value suits moderate frequency switching applications. Consider the 1.06 A continuous current rating against peak load demands. The wide operating temperature range ensures stability in harsh vehicle conditions.

Fixed Inductors Part Context

This part belongs to the SD series of metalized shielded drum core power inductors. These components are engineered for high-current density and low profile requirements. The series is widely used in automotive electronics due to its robustness and thermal performance under varying environmental conditions.

Fixed Inductors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with existing designs before considering alternative manufacturers or series.