74279220601

Overview

The Würth Elektronik 74279220601 is a surface-mount multilayer power suppression ferrite bead from the WE-MPSB series. It features an 0805 (2012 metric) package with dimensions of 2.00mm x 1.20mm x 1.10mm maximum height. The component provides an impedance of 600 Ohms at 100 MHz and supports a rated current of 2.1A. It has a maximum DC resistance of 80 mOhms and operates within a temperature range of -55°C to +125°C. The device is AEC-Q200 qualified for automotive applications.

Feature Summary

• Multilayer construction for high-current power line suppression
• Automotive qualification compliant with AEC-Q200 standards
• Compact 0805 surface-mount footprint for space-constrained designs

Applications

• Automotive electronic systems
• Power supply output filtering
• EMI suppression in digital circuits

Procurement Notes

Verify the specific ordering suffix and packaging configuration, such as reel or cut tape, against the manufacturer's official documentation before procurement. Confirm that the AEC-Q200 qualification status meets your project's automotive reliability requirements. Ensure the selected variant matches the required impedance tolerance and current rating specifications for your circuit design.

Selection Notes

Select this component when designing power lines requiring significant current handling capability alongside effective high-frequency noise attenuation. The 0805 package size offers a balance between thermal performance and board space efficiency. Consider the low DC resistance to minimize voltage drop and power loss in high-current paths while maintaining robust EMI suppression characteristics.

Part Context

This part belongs to the WE-MPSB series, which specializes in multilayer power suppression beads. These components are engineered to replace traditional wire-wound ferrites in applications demanding higher current capacity and smaller form factors. The series is widely used in modern electronics where space constraints and high-performance filtering are critical design parameters.

Replacement Considerations

Check for alternative parts within the same WE-MPSB family that offer different impedance values or current ratings if system requirements change. Verify pin compatibility and physical dimensions when substituting with other manufacturers' 0805 ferrite beads to ensure proper fit and function.