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742792609

742792609

Würth Elektronik
30 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 3A 40mOhm
Active30,323 in stock
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Overview

The 742792609 from Wurth Elektronik is a surface-mount ferrite bead designed for high-current EMI suppression in signal and power lines. Housed in a standard 0603 (1608 Metric) package, it provides 30 Ohms of impedance at 100 MHz while supporting a substantial 3A continuous current rating. This component effectively filters high-frequency noise while maintaining a low 40mOhm DC resistance to minimize voltage drops.

Why Choose This Part

The primary advantage of this ferrite bead is its high 3A current rating in a compact 0603 footprint, which is uncommon for standard signal line filters. Its extremely low 40mOhm DC resistance ensures minimal power loss and heat generation. Additionally, its wide operating temperature range from -55C to 125C makes it suitable for demanding industrial and automotive-adjacent environments.

Applications

High-Current Power Rails
Filtering supply lines for local DC/DC converters where high current capacity and low DCR are required.
USB Bus Filtering
Suppressing noise on VBUS lines in USB-powered devices without impeding power delivery.
Embedded System I/O
Reducing radiated emissions on high-speed signal lines and peripheral interfaces.
Battery Management Systems
Providing noise isolation in charging circuits where current levels reach up to 3A.

Key Specifications

Filter Type Signal Line
Height (Max) 0.039" (1.00mm)
Mounting Type Surface Mount
Package / Case 0603 (1608 Metric)
Number of Lines 1
Size / Dimension 0.063" L x 0.031" W (1.60mm x 0.80mm)
Current Rating (Max) 3A
Impedance @ Frequency 30 Ohms @ 100 MHz
Operating Temperature -55degC ~ 125degC
DC Resistance (DCR) (Max) 40mOhm
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