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Product Detailed Parameters
- Description：FERRITE BEAD 100 OHM 2220 1LN
- Series：WE-CBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：100 Ohms @ 100 MHz
- Current Rating (Max)：7A
- DC Resistance (DCR) (Max)：5mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：2220 (5750 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.081" (2.05mm)
- Size / Dimension：0.220" L x 0.200" W (5.59mm x 5.08mm)
- Features：Automotive
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Overview
The Würth Elektronik part number 7427928101 is a surface-mount ferrite bead belonging to the WE-CBF series. It features a 2220 (5750 Metric) package and provides an impedance of 100 Ohms at 100 MHz. The component supports a DC current rating of 7 A with a maximum DC resistance of 5 mOhms. Designed for signal line filtering, it offers a tolerance of ±25% on impedance values.
Feature Summary
- Surface-mount design in a 2220 package
- High current handling capability up to 7 A
- Low DC resistance for minimal power loss
- Impedance specification of 100 Ohms at 100 MHz
Applications
- Signal line noise suppression
- EMI filtering in high-current circuits
- Power integrity management in compact designs
Procurement Notes
Verify the exact impedance tolerance and DC resistance specifications against the official datasheet before integration. Confirm that the 2220 package dimensions align with your PCB footprint requirements. Ensure the 7 A current rating meets the operational demands of your specific circuit application to prevent saturation or overheating issues during long-term use.
Selection Notes
Select this component when a surface-mount ferrite bead capable of handling high continuous currents is required. The 2220 package allows for efficient space utilization on dense PCBs. Consider the 100 Ohm impedance at 100 MHz for effective attenuation of high-frequency noise while maintaining low insertion loss due to the 5 mOhm DC resistance.
Part Context
This component is part of the WE-CBF series from Würth Elektronik, which specializes in surface-mount ferrite beads. The series is designed for applications requiring robust EMI suppression in compact form factors. The 2220 package size balances current handling capacity with board space efficiency, making it suitable for modern electronic devices.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult manufacturer catalogs for equivalent WE-CBF series components with matching impedance and current ratings if replacement is necessary.
FAQ
What is the DC resistance of the 7427928101?
The maximum DC resistance is 5 mOhms.
What is the current rating for this ferrite bead?
The component has a DC current rating of 7 A.
What is the impedance value at 100 MHz?
The impedance is 100 Ohms at 100 MHz.
