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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0603 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：350mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0603 (1608 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.039" (1.00mm)
- Size / Dimension：0.063" L x 0.032" W (1.60mm x 0.80mm)
- Features：-
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Overview
The Würth Elektronik 742792606 is a surface-mount ferrite bead from the WE-CBF series, designed for EMI suppression in compact electronic assemblies. Housed in a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height, it provides an impedance of 120 Ohms at 100 MHz. The component supports a maximum DC current of 200 mA and features a maximum DC resistance of 350 mOhms. It is qualified to AEC-Q200 standards for automotive reliability.
Feature Summary
- Provides effective electromagnetic interference suppression through high impedance characteristics at target frequencies.
- Automotive-grade qualification ensures reliability under rigorous environmental and operational stress conditions.
- Compact surface-mount footprint enables integration into space-constrained printed circuit board layouts.
Applications
- High-speed data line filtering in automotive infotainment systems
- Power supply noise attenuation in compact mobile device circuits
- Signal integrity enhancement on communication interfaces requiring small form factors
Procurement Notes
Verify the specific impedance tolerance and DC resistance values against the official manufacturer datasheet prior to finalizing procurement orders. Confirm that the AEC-Q200 qualification status aligns with your project's reliability requirements. Ensure the 0603 package dimensions are compatible with your PCB fabrication capabilities and soldering processes to prevent assembly defects.
Selection Notes
Select this component when design constraints require a small 0603 footprint combined with moderate current handling capability. The 120 Ohm impedance at 100 MHz makes it suitable for suppressing noise in digital signal lines where lower current ratings are acceptable. Consider the 350 mOhms DC resistance impact on voltage drop if used in power delivery paths.
Part Context
This part belongs to the WE-CBF family of chip beads, which are engineered for general-purpose EMI suppression. The series offers various impedance and current ratings across multiple standard packages. The 742792606 specifically targets applications needing balanced performance between size reduction and noise attenuation in low-current signal environments.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Engineers should consult the manufacturer for cross-reference recommendations or evaluate alternative parts based on matching impedance curves, current ratings, and package dimensions.
FAQ
What is the impedance value of the 742792606 at 100 MHz?
The impedance is 120 Ohms at a test frequency of 100 MHz.
Is the 742792606 suitable for automotive applications?
Yes, the component is qualified to the AEC-Q200 standard, indicating suitability for automotive use.
What is the maximum DC current rating for this ferrite bead?
The maximum DC current rating is 200 mA.
