HRB0805S300P4.00FT

Chip Ferrite Bead Overview

The HRB0805S300P4.00FT is a single-line ferrite bead chip from AEM, Inc., housed in an 0805 surface-mount package. It provides a nominal impedance of 30 Ohms at 100 MHz with a tolerance of +/-25%. The component supports a maximum DC current of 4 Amperes and features a low maximum DC resistance of 20 milliohms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• DSCC approved for high reliability applications
• Single-line configuration for EMI suppression
• RoHS compliant construction

Chip Ferrite Bead Applications

• High reliability electronic circuits
• EMI filtering in compact PCB layouts
• Power line noise suppression

Chip Ferrite Bead Procurement Notes

Verify the specific suffix (P vs K) against official datasheets to confirm impedance tolerance accuracy. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation prior to procurement. Ensure the selected variant matches the required DC current rating for the target application circuit.

Chip Ferrite Bead Selection Notes

Select this component when a robust, DSCC-approved ferrite bead is required for high-current signal lines. The 0805 footprint offers a balance between current handling capacity and board space efficiency. Verify that the 4A current rating exceeds the peak operating current of the protected circuit to prevent saturation.

Chip Ferrite Bead Part Context

This part belongs to the HRB Series of ferrite chip beads manufactured by AEM, Inc. The series is distinguished by its qualification for high-reliability environments, including aerospace and defense sectors. The HRB designation indicates a specific construction method optimized for stability under thermal and mechanical stress.

Chip Ferrite Bead Replacement Considerations

Direct substitutes must match the 0805 package, 30 Ohm impedance at 100 MHz, and 4A current rating. Verify if DSCC approval is mandatory; if so, generic equivalents may not suffice. Check DC resistance limits to ensure compatibility with power budget constraints.