BLM31KN471SN1K

Description：FERRITE BEAD 470 OHM 1206 1LN
Series：BLM
Mfr：Murata Electronics
Package：Tape & Reel (TR)

SKU:5aada0fc3a98 Category: Ferrite Beads and Chips Brand: Murata Electronics

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Product introduction

BLM31KN471SN1K is listed in the Chip Ferrite Bead range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is FERRITE BEAD 470 OHM 1206 1LN. Review the specifications below when checking this part for your BOM.

Chip Ferrite Bead specifications for BLM31KN471SN1K

Description：FERRITE BEAD 470 OHM 1206 1LN
Series：BLM
Mfr：Murata Electronics
Package：Tape & Reel (TR)
Filter Type：Power Line
Number of Lines：-
Impedance @ Frequency：470 Ohms @ 100 MHz
Current Rating (Max)：4A
DC Resistance (DCR) (Max)：20mOhm
Ratings：-
Operating Temperature：-55°C ~ 125°C
Package / Case：1206 (3216 Metric)
Mounting Type：Surface Mount
Height (Max)：0.071" (1.80mm)
Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
Features：-

Chip Ferrite Bead datasheet and documents for BLM31KN471SN1K

BLM31KN471SN1K

Chip Ferrite Bead Overview

The Murata BLM31KN471SN1K is a single-line surface-mount ferrite bead designed for power line noise suppression. It features an impedance of 470 Ohms at 100 MHz and supports a maximum DC current of 4 Amperes. The component has a maximum DC resistance of 20 milliohms and operates within a temperature range of -55°C to +125°C. It utilizes a 1206 (3216 metric) package with dimensions of 3.20mm x 1.60mm x 1.80mm. This part meets AEC-Q200 automotive standards and complies with RoHS3 regulations.

Chip Ferrite Bead Feature Summary

High rated current capability suitable for demanding power applications
Automotive grade reliability certified under AEC-Q200 standards
Low DC resistance minimizes voltage drop in power lines

Chip Ferrite Bead Applications

Power supply filtering in automotive electronics
Noise suppression for high-current digital interfaces
EMI mitigation in AI server power distribution networks

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm packaging type and compliance status. Ensure the selected variant matches the required current rating and impedance specifications for the target circuit. Confirm RoHS3 and REACH compliance requirements prior to integration into final assemblies.

Chip Ferrite Bead Selection Notes

Select this component when high current handling is required alongside significant noise attenuation. The 1206 footprint allows for robust soldering in high-power layouts. Compare impedance characteristics against other series members to ensure optimal frequency response for the specific noise profile encountered in the application design.

Chip Ferrite Bead Part Context

This component belongs to the BLM31KN series, which focuses on high-rated current performance. It is specifically engineered for use in automotive and industrial environments where thermal stability and durability are critical. The series addresses the need for effective EMI suppression in compact power delivery systems.