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Product Detailed Parameters
- Description：FERRITE BEAD 2.2 KOHM 0805 1LN
- Series：WE-CBA
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：2.2 kOhms @ 100 MHz
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：450mOhm
- Ratings：AEC-Q200
- 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 782851202 is a WE-CBA series surface-mount ferrite bead designed for EMI suppression in single signal lines. It features an 0805 (2012 Metric) package with dimensions of 2.00mm x 1.20mm and a maximum height of 1.10mm. The component provides an impedance of 2.2 kOhms at 100 MHz and supports a maximum DC current of 200mA. Its maximum DC resistance (DCR) is 450 milliohms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Provides effective electromagnetic interference (EMI) suppression for high-frequency noise filtering in compact designs.
- Qualified for automotive applications under the AEC-Q200 standard, ensuring reliability in demanding environments.
- Utilizes a robust 0805 surface-mount footprint suitable for automated assembly processes.
Applications
- Automotive electronic systems requiring AEC-Q200 compliant components
- High-speed data line protection against electromagnetic interference
- Portable device power supply input filtering
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, such as tape and reel or cut tape, as these affect handling but not electrical performance. Confirm RoHS compliance status and origin country details during sourcing. Ensure the procurement channel provides valid traceability documentation for automotive-grade parts.
Selection Notes
Select this component when space constraints require an 0805 footprint while needing significant impedance at 100 MHz. The low DCR of 450 milliohms minimizes voltage drop in sensitive signal paths. Consider the 200mA current rating to ensure the component does not saturate under peak operating conditions.
Part Context
This part belongs to the WE-CBA series from Würth Elektronik, specialized for SMD EMI suppression. The series offers various impedance values and current ratings in standardized packages. The 782851202 specifically targets applications requiring high attenuation in a small form factor.
Replacement Considerations
Check datasheets for equivalent impedance curves and current ratings. Verify package compatibility and thermal characteristics before substitution. Ensure any alternative meets the same AEC-Q200 qualification if used in automotive contexts.
