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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0201 1LN
- Series：WE-CBA
- 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)：250mA
- DC Resistance (DCR) (Max)：290mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0201 (0603 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.013" (0.33mm)
- Size / Dimension：0.024" L x 0.012" W (0.60mm x 0.30mm)
- Features：Automotive
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Overview
The Würth Elektronik 782219121 is a surface-mount ferrite bead from the WE-CBA series, designed for high-frequency noise suppression in compact electronic assemblies. It features a 0201 (0603 metric) package with dimensions of 0.60mm length and 0.30mm width. The component provides an impedance of 120 Ohms at 100 MHz with a tolerance of ±25%. It supports a maximum DC current rating of 250mA and has a maximum DC resistance of 0.29 Ohms. The device is AEC-Q200 qualified for automotive applications.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- Compact 0201 surface-mount footprint for space-constrained designs
- High impedance performance at 100 MHz for effective EMI filtering
Applications
- Automotive electronics signal line filtering
- Portable device power supply noise suppression
- High-speed data line EMI protection
Procurement Notes
Verify the specific manufacturing date code and lot traceability upon order confirmation to ensure compliance with project requirements. Confirm that the delivered components match the AEC-Q200 qualification status specified in the official datasheet. Ensure storage conditions adhere to moisture sensitivity level guidelines to maintain solderability and electrical integrity before assembly.
Selection Notes
Select this component when board real estate is limited due to its small 0201 package size. Choose based on the required 120 Ohm impedance at 100 MHz for target frequency noise attenuation. Ensure the circuit current does not exceed the 250mA rating to prevent saturation or excessive heating. Verify compatibility with standard reflow soldering profiles for SMD components.
Part Context
This part belongs to the WE-CBA series of chip ferrite beads manufactured by Würth Elektronik. The series is engineered for general-purpose and automotive applications requiring reliable electromagnetic interference suppression. The 782219121 variant specifically targets applications needing low profile and high current handling within a minimal footprint.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching impedance curves, current ratings, and package dimensions with alternative manufacturers' offerings.
FAQ
Is the 782219121 suitable for automotive applications?
Yes, the component is AEC-Q200 qualified, indicating it meets automotive reliability standards.
What is the maximum DC current rating for this ferrite bead?
The maximum DC current rating is 250mA.
