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Product Detailed Parameters
- Description：FERRITE BEAD 600 OHM 0805 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：600 Ohms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：400mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.043" (1.10mm)
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Features：-
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Overview
The Würth Elektronik WE-CBF 742792041 is a surface-mount ferrite chip bead designed for electromagnetic interference suppression. It features an 0805 (2012 metric) package with dimensions of 2 mm length, 1.2 mm width, and 0.9 mm height. The component provides an impedance of 600 ohms at a test frequency of 100 MHz, with a tolerance of ±25%. It supports a maximum DC current of 200 mA and has a maximum DC resistance of 400 milliohms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Provides high impedance for effective attenuation of high-frequency noise signals in electronic circuits.
- AEC-Q200 qualified for reliability in automotive applications.
- Compact 0805 surface-mount footprint suitable for space-constrained designs.
Applications
- Automotive electronics systems requiring EMI suppression
- General-purpose electronic circuit noise filtering
- High-frequency signal line protection
Procurement Notes
Verify the specific impedance value against the official datasheet, as distributor listings may show variations such as 700 ohms or 600 ohms. Confirm the AEC-Q200 certification status directly from manufacturer documentation. Ensure the selected package size matches the PCB layout requirements. Check for any product change notifications that might affect specifications.
Selection Notes
Select this component when a compact ferrite bead with AEC-Q200 qualification is required for automotive or high-reliability applications. The 200 mA current rating limits suitability for high-power lines. Compare impedance characteristics at the target noise frequency against alternative part numbers in the WE-CBF series to ensure optimal filtering performance.
Part Context
This part belongs to the Würth Elektronik WE-CBF series of ferrite chip beads. The series offers various impedance values and current ratings in standard SMD packages. The 742792041 specifically targets applications needing moderate current handling with significant high-frequency attenuation in a small form factor.
Replacement Considerations
Check for other WE-CBF series parts with similar impedance and current ratings. Verify package compatibility before substituting. Ensure replacement parts meet the same AEC-Q200 standards if used in automotive contexts.
FAQ
What is the test frequency for the specified impedance?
The impedance specification is measured at a test frequency of 100 MHz.
Is this component suitable for automotive use?
Yes, the component is AEC-Q200 qualified, indicating it meets automotive reliability standards.
