SRR3818A-2R2Y

Fixed Inductors Overview

The Bourns SRR3818A-2R2Y is a shielded surface-mount power inductor with a ferrite core and wirewound construction. It features an inductance of 2.2 µH with a 30% tolerance. The component supports a maximum DC current of 2.6 A and has a maximum DC resistance of 60 mΩ. Saturation current is rated at 1.4 A. Operating temperature ranges from -40°C to +150°C, with a self-resonant frequency of 95 MHz. Dimensions are 3.8 mm x 3.8 mm x 1.8 mm. It meets AEC-Q200 automotive qualification standards.

Fixed Inductors Feature Summary

• Shielded magnetic design minimizes electromagnetic interference
• Automotive-grade reliability via AEC-Q200 certification
• High-temperature operation up to 150°C
• Compact surface-mount footprint for space-constrained layouts

Fixed Inductors Applications

• Automotive electronics systems
• DC-DC converter circuits
• Power supply filtering
• On-board charging modules

Fixed Inductors Procurement Notes

Verify the specific suffix 'Y' matches the required packaging configuration. Confirm that the AEC-Q200 qualification aligns with target automotive application requirements. Ensure the saturation current rating of 1.4 A is sufficient for the intended circuit load conditions before finalizing procurement.

Fixed Inductors Selection Notes

Select this component when a compact, shielded inductor is required for high-current applications. The 2.2 µH value suits moderate-frequency switching converters. Consider the 60 mΩ DCR for efficiency calculations. The wide temperature range allows use in harsh environments without derating concerns.

Fixed Inductors Part Context

This part belongs to the SRR3818A series of shielded power inductors from Bourns. The series offers various inductance values within a consistent 3818 package size. These components are designed for general power applications requiring low profile and high current handling capabilities.

Fixed Inductors Replacement Considerations

Check equivalent parts from other manufacturers offering similar 3818 footprints. Verify matching inductance, current ratings, and shielding characteristics. Ensure any substitute also holds AEC-Q200 certification if used in automotive contexts.