78279226101

Overview

The Würth Elektronik WE-MPSA series component, part number 78279226101, is a surface-mount power line ferrite bead designed for electromagnetic interference (EMI) suppression. It features an 1812 (4532 Metric) package and utilizes AEC-Q200 qualification for automotive reliability. The device exhibits a nominal impedance of 100 Ohms at 100 MHz and supports a maximum DC current of 8 Amperes. Its low DC resistance is specified at 6 milliohms with a tolerance of ±25%.

Feature Summary

• Provides effective EMI noise suppression on power lines
• Qualified to AEC-Q200 automotive standards
• Capable of handling high continuous DC currents

Applications

• Automotive electronic circuits
• Power supply input filtering
• General EMI suppression in compact designs

Procurement Notes

Verify the specific suffix against official datasheets to confirm exact electrical tolerances and packaging configurations. Ensure the selected variant meets the required current ratings and impedance specifications for the target application environment.

Selection Notes

Select this component when high current capacity is required alongside significant impedance at 100 MHz. The 1812 footprint offers a balance between thermal performance and board space efficiency for power line applications.

Part Context

This part belongs to the WE-MPSA series from Würth Elektronik, which specializes in high-current ferrite beads. The series is engineered for robust performance in demanding environments, distinguishing itself through AEC-Q200 certification and low DC resistance characteristics suitable for power integrity.

Replacement Considerations

Consult manufacturer cross-reference lists for verified substitutes. Ensure any alternative maintains the 1812 footprint, 8A current rating, and 100 Ohm impedance at 100 MHz.