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Compact Noise Suppression Chip Beads muRata BLM18EG121SN1D Featuring Modified Internal Electrode Structure

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Compact Noise Suppression Chip Beads muRata BLM18EG121SN1D Featuring Modified Internal Electrode Structure

Current Rating : 2A

Number of Circuits : 1

DC Resistance(DCR) : 40mΩ

Tolerance : ±25%

Impedance @ Frequency : 120Ω@100MHz

Description : 120Ω@100MHz 1 Line Ferrite Bead 0603 2A 40mΩ

Mfr. Part # : BLM18EG121SN1D

Model Number : BLM18EG121SN1D

Package : 0603

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Product Overview

The BLM18EG121SN1# series from Murata is a range of chip beads designed for noise suppression. These components feature a modified internal electrode structure to minimize stray capacitance and extend the effective frequency range. The BLM18E series specifically offers low DC resistance and high rated current, making it suitable for driver circuit noise suppression. Its thin profile (0.5mm) is ideal for compact and low-profile devices like DSCs and cellular phones. The magnetic shielded structure minimizes crosstalk.

Product Attributes

Brand: Murata
Origin: Japan (implied by manufacturer)
Usage: Noise suppression
Application Scenarios: Driver circuits, general use, DSC, cellular phones, optical pickup modules, high-speed signal lines, digital interfaces

Technical Specifications

Part Number	Packaging	Minimum Order Quantity	Dimensions (mm)	Thickness (mm)	Working Temperature Range	Rated Current (at 85)	Rated Current (at 125)	DC Resistance (max)	Impedance (at 100MHz)	Impedance (at 100MHz) Tolerance	Impedance (at 1GHz)
BLM18EG121SN1D	180mm paper tape	4000	1.6 x 0.8	0.8	-55 to 125	2A	1A	0.04	120	25%	145
BLM18EG121SN1J	330mm paper tape	10000	1.6 x 0.8	0.8	-55 to 125	2A	1A	0.04	120	25%	145
BLM18EG121SN1B	Bulk bag	1000	1.6 x 0.8	0.8	-55 to 125	2A	1A	0.04	120	25%	145

2201242130_muRata-BLM18EG121SN1D_C882954.pdf

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