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Product Detailed Parameters
- Description：FERRITE BEAD 220 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：220 Ohms @ 100 MHz
- Current Rating (Max)：2A
- DC Resistance (DCR) (Max)：50mOhm
- 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 742792022 is a surface-mount EMI suppression ferrite bead from the WE-CBF series, housed in an 0805 (2012 metric) package with dimensions of 2mm length, 1.2mm width, and 0.9mm height. It exhibits an impedance of 220Ω at 100MHz and supports a rated DC current of 2A. The component features a maximum DC resistance of 50mΩ and operates within a temperature range of -55°C to +125°C. It is AEC-Q200 qualified for automotive applications.
Feature Summary
- Provides effective electromagnetic interference suppression through high-impedance characteristics at target frequencies.
- Designed for surface-mount assembly to facilitate automated PCB manufacturing processes.
- Qualified for automotive environments ensuring reliability under specified thermal and electrical conditions.
Applications
- Automotive electronic circuit noise filtering
- Power supply line EMI suppression
- High-speed signal line interference reduction
Procurement Notes
Verify the specific part number against official Wurth Elektronik documentation to confirm impedance and current ratings. Ensure compatibility with your PCB footprint and thermal management requirements. Check for RoHS compliance status in the latest datasheet before integration into production designs.
Selection Notes
Select this component when a compact 0805 footprint is required for circuits carrying up to 2A. The 220Ω impedance at 100MHz makes it suitable for suppressing noise in that frequency band. Consider the low DC resistance to minimize voltage drop and power loss in the signal path.
Part Context
This component belongs to the WE-CBF series of chip ferrite beads. These parts are engineered for general-purpose EMI suppression in both consumer and automotive electronics. The series offers various impedance and current combinations within standard industrial packages.
Replacement Considerations
Consult official Wurth Elektronik substitution guides or distributor cross-reference tools for verified alternatives. Ensure any substitute matches the 0805 package, 220Ω impedance, and 2A current rating specifications.
