SRU3028-330MH

Fixed Inductors Overview

The SRU3028-330MH is a shielded drum core, wirewound power inductor from the Bourns SRU3028A series. It features an inductance of 33 µH with a tolerance of ±30%. The component has a maximum DC resistance (DCR) of 560 mΩ and supports a saturation current (Isat) of 480 mA. Rated for a maximum RMS current of 470 mA, it exhibits a Q value of 20 at 2.52 MHz and a self-resonant frequency of 10 MHz. The unit measures 3.50 mm x 3.30 mm x 3.00 mm and operates within a temperature range of -40°C to 125°C.

Fixed Inductors Feature Summary

• Shielded construction minimizes electromagnetic interference
• Drum core wirewound design ensures stable performance
• Automotive grade AEC-Q200 certification

Fixed Inductors Applications

• Input/output filtering for DC/DC converters
• General power supply circuits
• Automotive electronic systems requiring AEC-Q200 compliance

Fixed Inductors Procurement Notes

Verify the specific suffix 'MH' against official Bourns documentation to confirm material composition and availability status. Cross-reference the part number with the manufacturer's latest datasheets to ensure alignment with recent material change notices regarding ferrite shield materials. Confirm that the requested quantity matches standard packaging specifications provided by authorized distributors.

Fixed Inductors Selection Notes

Select this component for applications requiring compact surface-mount shielding with defined saturation characteristics. Ensure the operating current remains below the 470 mA RMS rating to prevent thermal issues. Verify that the 33 µH inductance value aligns with the target circuit's ripple current requirements and switching frequency constraints.

Fixed Inductors Part Context

This part belongs to the SRU3028A series of shielded SMD power inductors manufactured by Bourns Inc. The series is designed for high-density power delivery applications. The SRU3028-330MH specifically utilizes a ferrite core and wirewound technology to provide reliable inductance in small form factors suitable for modern electronic assemblies.

Fixed Inductors Replacement Considerations

Consult the official Bourns SRU3028A series datasheet for direct cross-references. No alternative part numbers are explicitly confirmed as substitutes in the provided public documentation.