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Product Detailed Parameters
- Description：FERRITE BEAD 80 OHM 0805 1LN
- Series：WE-MPSA
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：80 Ohms @ 100 MHz
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：18mOhm
- 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 78279220800 is a surface-mount ferrite bead from the WE-MPSA series, designed for electromagnetic interference suppression in power lines. It features an 0805 (2012 metric) package with dimensions of 2.0 mm length and 0.9 mm height. The component exhibits a nominal impedance of 80 Ohms at high frequencies, a maximum DC resistance of 18 mOhms, and supports a current rating of 4 Amperes. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Surface-mount design for automated assembly
- High current handling capability
- Low DC resistance for minimal power loss
- Automotive-grade reliability certification
Applications
- Power line filtering in automotive electronics
- EMI suppression in DC power distribution networks
- Noise reduction in industrial control systems
Procurement Notes
Verify the specific ordering code against the manufacturer's official datasheet to ensure correct impedance and current ratings. Confirm that the AEC-Q200 qualification status meets your project's automotive or industrial requirements. Check for any specific packaging variations such as MouseReel if required by your pick-and-place equipment. Ensure compatibility with your reflow soldering profile based on the thermal specifications provided in the official documentation.
Selection Notes
Select this component when low DC resistance and high current capacity are critical for power integrity. The 0805 footprint offers a balance between current handling and board space efficiency. Consider the 80 Ohm impedance characteristic for the target noise frequency spectrum. Verify that the operating temperature range covers the environmental conditions of the final application.
Part Context
This part belongs to the WE-MPSA series of surface-mount ferrite beads from Würth Elektronik. The series is engineered for robust EMI suppression in demanding environments. The 78279220800 variant specifically targets applications requiring high current tolerance alongside effective noise attenuation in compact form factors.
Replacement Considerations
Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference impedance curves and current ratings carefully when evaluating generic equivalents.
FAQ
What is the maximum DC resistance of the 78279220800?
The maximum DC resistance is 18 mOhms.
Is this component qualified for automotive applications?
Yes, it holds AEC-Q200 qualification.
