BLM15EX331SN1D

Chip Ferrite Bead Overview

The Murata BLM15EX331SN1D is a single-type chip ferrite bead in the BLM15E series, housed in a 0402 (1005 metric) SMD package. It provides an impedance of 330 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.1 A and features a maximum DC resistance of 205 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for noise suppression in high-frequency circuits exceeding 1 GHz
• Combines low DC resistance with large rated current capacity
• Compact surface-mount form factor suitable for dense PCB layouts

Chip Ferrite Bead Applications

• Noise suppression on power and signal lines
• High-frequency circuit filtering
• EMI suppression in compact electronic devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging and tape-and-reel specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and availability status before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0402 footprint is required for high-current noise suppression. The 1.1 A rating distinguishes it from lower-current variants in the same impedance class. Verify that the 205 mOhm DCR meets the voltage drop requirements of the specific power rail or signal path being protected.

Chip Ferrite Bead Part Context

This part belongs to the BLM15E series, which focuses on balancing low DC resistance with high current handling in a small 0402 package. It serves as a specialized solution for applications where space is constrained but significant current flow must be maintained without excessive heat generation or voltage loss.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include other BLM15E series parts with identical 330 Ohm impedance and compatible current ratings. Verify package dimensions and terminal compatibility before substitution.