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Product Detailed Parameters
- Description：FERRITE BEAD 270 OHM 2220 1LN
- Series：WE-MPSA
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：270 Ohms @ 10 MHz
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：20mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：2220 (5750 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.136" (3.45mm)
- Size / Dimension：0.220" L x 0.200" W (5.59mm x 5.08mm)
- Features：-
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Overview
The Würth Elektronik part number 78279224271 is a surface-mount ferrite bead from the WE-MPSA series. It provides an impedance of 270 Ohms at 100 MHz and supports a maximum current rating of 4 Amperes. The component features a low DC resistance of 20 milliohms and conforms to the AEC-Q200 automotive qualification standard. Its physical footprint is 2220, designed for PCB mounting.
Feature Summary
- Provides high-frequency electromagnetic interference suppression through significant impedance characteristics
- Automotive-grade reliability verified by AEC-Q200 qualification standards
- Capable of handling high continuous current loads with minimal resistive power loss
Applications
- Automotive electronic circuit protection
- High-current signal line filtering
- Power supply output noise suppression
Procurement Notes
Verify the specific manufacturer datasheet for the WE-MPSA series to confirm exact dimensional tolerances and thermal derating curves. Ensure the selected package size aligns with the printed circuit board land pattern requirements. Confirm that the operating temperature range meets the specific environmental conditions of the target assembly.
Selection Notes
Select this component when high current capacity is required alongside effective high-frequency noise attenuation. The low DC resistance minimizes voltage drop in power paths. Verify that the 270 Ohm impedance profile matches the noise spectrum of the application. Consider the 2220 package size for available board space constraints.
Part Context
This component belongs to the WE-MPSA series of surface-mount ferrite beads manufactured by Würth Elektronik. These components are engineered for robust EMI suppression in demanding environments. The series emphasizes high current handling capabilities suitable for modern power distribution networks.
Replacement Considerations
Cross-reference with other AEC-Q200 qualified ferrite beads offering similar 270 Ohm impedance and 4 Ampere ratings. Verify that any substitute maintains the same 2220 footprint and DC resistance specifications to ensure electrical compatibility.
