BLM21SN300SH1D

$0.20

Description：FERRITE BEAD 30 OHM 0805 1LN
Series：EMIFIL®, BLM21
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6de1e0e4174d Category: Ferrite Beads and Chips Brand: Murata Electronics

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Product introduction

BLM21SN300SH1D is listed in the Chip Ferrite Bead range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is FERRITE BEAD 30 OHM 0805 1LN. Review the specifications below when checking this part for your BOM.

Chip Ferrite Bead specifications for BLM21SN300SH1D

Description：FERRITE BEAD 30 OHM 0805 1LN
Series：EMIFIL®, BLM21
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)
Filter Type：Power Line
Number of Lines：1
Impedance @ Frequency：30 Ohms @ 100 MHz
Current Rating (Max)：8.5A
DC Resistance (DCR) (Max)：4mOhm
Ratings：AEC-Q200
Operating Temperature：-55°C ~ 125°C
Package / Case：0805 (2012 Metric)
Mounting Type：Surface Mount
Height (Max)：0.041" (1.05mm)
Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
Features：-

Chip Ferrite Bead datasheet and documents for BLM21SN300SH1D

BLM21SN300SH1D

Chip Ferrite Bead Overview

The Murata BLM21SN300SH1D is a single-line ferrite chip bead in the EMIFIL BLM21 series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 30 Ohms at 100 MHz with a maximum DC resistance of 4 mOhms and supports a rated current of 8.5 A. The component operates within a temperature range of -55°C to +125°C and meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

High current handling capability suitable for power line applications
Automotive-grade reliability certified under AEC-Q200 standards
Low DC resistance minimizes voltage drop in high-current circuits

Chip Ferrite Bead Applications

Power supply noise suppression
EMI filtering in automotive electronics
High-current signal line protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact impedance tolerance and packaging configuration. Ensure the selected variant matches the required AEC-Q200 qualification status for automotive integration. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.

Chip Ferrite Bead Selection Notes

Select this component when designing circuits requiring significant current capacity alongside effective high-frequency noise attenuation. The low DC resistance preserves power integrity while the ferrite material dissipates electromagnetic interference. Consider the 0805 footprint constraints and thermal management requirements associated with continuous 8.5 A operation in compact layouts.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM21SN series, which specializes in high-current ferrite beads for robust EMI suppression. The SN designation typically indicates specific impedance characteristics optimized for power lines. This series complements lower-current variants by offering enhanced thermal stability and current handling within the standard 0805 SMD form factor.