BLM21PG121SZ1D

$0.09

Description：FERRITE BEAD 120 OHM 0805 1LN
Series：BLM
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fdde8eb209ae Category: Ferrite Beads and Chips Brand: Murata Electronics

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Product introduction

BLM21PG121SZ1D is listed in the Chip Ferrite Bead range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is FERRITE BEAD 120 OHM 0805 1LN. Review the specifications below when checking this part for your BOM.

Chip Ferrite Bead specifications for BLM21PG121SZ1D

Description：FERRITE BEAD 120 OHM 0805 1LN
Series：BLM
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)
Filter Type：Power Line
Number of Lines：1
Impedance @ Frequency：120 Ohms @ 100 MHz
Current Rating (Max)：3A
DC Resistance (DCR) (Max)：30mOhm
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：Automotive

Chip Ferrite Bead datasheet and documents for BLM21PG121SZ1D

BLM21PG121SZ1D

Chip Ferrite Bead Overview

The Murata BLM21PG121SZ1D is a single-line ferrite bead in an 0805 (2012 metric) surface-mount package. It provides 120 Ohms impedance at 100 MHz with a maximum DC resistance of 30 mΩ and a rated current of 3A. The component operates between -55°C and +125°C, measures 2.00mm x 1.25mm x 1.05mm, and meets AEC-Q200 automotive standards.

Chip Ferrite Bead Feature Summary

Provides EMI suppression for power lines
Automotive-grade reliability certification
Compact surface-mount footprint

Chip Ferrite Bead Applications

Power line filtering
EMI suppression filters
Automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical tolerances and packaging configurations. Ensure the selected variant matches the required current rating and impedance specifications for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring high-current handling within a compact 0805 footprint. The low DC resistance minimizes voltage drop, while the AEC-Q200 qualification ensures suitability for demanding automotive environments where thermal stability and reliability are critical.

Chip Ferrite Bead Part Context

This part belongs to the BLM21PG series, designed for noise suppression in electronic circuits. It utilizes ferrite material to attenuate high-frequency interference on power lines, offering a balance between performance and physical size for modern surface-mount assembly processes.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Cross-referencing requires matching impedance, current rating, and package dimensions to ensure functional compatibility without redesigning the PCB layout.