BLM41PF800SN1L

Chip Ferrite Bead Overview

The Murata BLM41PF800SN1L is a single ferrite chip bead in the EMIFIL BLM41 series, housed in an 1806 (4516 metric) surface-mount package. It provides an impedance of 80 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1 A and features a maximum DC resistance of 70 mOhms. It operates within a temperature range of -55°C to +125°C and measures 4.5 mm in length, 1.6 mm in width, and 1.6 mm in height.

Chip Ferrite Bead Feature Summary

• Provides differential mode noise suppression for high-speed signal lines
• Designed for surface-mount assembly in compact electronic circuits
• Constructed from ferrite material for effective electromagnetic interference attenuation

Chip Ferrite Bead Applications

• Power supply filtering
• Electromagnetic interference suppression
• High-speed digital circuit protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SN1L' against official Murata documentation to confirm packaging and tape specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target application. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when an 80 Ohm impedance at 100 MHz is required for single-line noise suppression. The 1806 package offers a balance between current handling capability and board space efficiency. Verify that the 1 A current rating meets the operational requirements of the protected circuit without causing excessive self-heating or resistance increase.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM41 series of ferrite beads. These components are engineered for suppressing electromagnetic interference in portable devices and industrial electronics. The series utilizes advanced ferrite materials to provide stable impedance characteristics across a wide frequency range while maintaining low DC resistance.

Chip Ferrite Bead FAQ

What is the test frequency for the specified impedance?

The impedance of 80 Ohms is measured at a test frequency of 100 MHz.

Is this component suitable for automotive applications?

Public documentation does not list AEC-Q200 qualification for this specific part number; verify automotive suitability directly with manufacturer data.