SRR4018-470Y

Fixed Inductors Overview

The SRR4018-470Y is a shielded surface-mount power inductor from Bourns Inc., featuring a wirewound construction on a ferrite drum core. It provides an inductance of 47 µH with a tolerance of ±30%. The component operates at a test frequency of 100 kHz and exhibits a Q-factor of 8. It supports a saturation current of 0.62 A and has a maximum DC resistance of 0.6 Ohms. Packaged in a 1919 (4848 Metric) footprint, it is supplied in tape and reel format for automated assembly.

Fixed Inductors Feature Summary

• Shielded magnetic design minimizes electromagnetic interference
• Wirewound ferrite drum core structure ensures stable performance
• Surface-mount configuration facilitates automated PCB assembly

Fixed Inductors Applications

• General purpose power supply filtering
• DC-DC converter input/output stages
• Signal processing circuits requiring noise suppression

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging specifications. Ensure the procurement documentation matches the required inductance value and current ratings for the target circuit design. Cross-reference the package dimensions with the intended PCB footprint to guarantee mechanical compatibility during assembly.

Fixed Inductors Selection Notes

Select this component based on its 47 µH inductance and 0.62 A current rating requirements. Evaluate the 0.6 Ohm DC resistance impact on system efficiency. Confirm that the 1919 footprint aligns with available board space. Consider the shielding characteristics for proximity to sensitive signal traces. Validate thermal performance under expected operating loads.

Fixed Inductors Part Context

This part belongs to the SRR4018 series of shielded SMD power inductors by Bourns. The series offers various inductance values within a compact 1919 package. These components are designed for applications requiring reliable magnetic shielding and consistent performance in space-constrained electronic designs.

Fixed Inductors Replacement Considerations

Consult the official Bourns replacement guide for direct equivalents. Verify that substitute parts match the 47 µH inductance, 0.62 A current rating, and 1919 footprint. Ensure compatibility with existing PCB layouts and thermal management strategies.