MH2029-400Y

Overview

The MH2029-400Y is a high current chip ferrite bead from the Bourns MH Series, designed for surface mount applications in the 0805 (2012 Metric) package. It provides an impedance of 40 ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current rating of 5A and features a maximum DC resistance of 0.02 ohms. It operates within a temperature range of -55°C to 125°C.

Feature Summary

• Engineered for high current handling capabilities up to 5A
• Provides effective noise suppression with 40 ohm impedance at 100 MHz
• Designed for surface mount integration in compact PCB layouts

Applications

• High current power line filtering
• Noise suppression in portable electronic devices
• Signal integrity protection in consumer electronics

Procurement Notes

Verify the specific part number MH2029-400Y against official Bourns documentation to confirm impedance and current ratings. Ensure compatibility with 0805 footprint requirements and operating temperature ranges. Confirm RoHS compliance status through the manufacturer datasheet before procurement.

Selection Notes

Select this component when high current capacity is required alongside moderate noise filtering. The 0805 package offers a balance between current handling and board space efficiency. Verify that the 40 ohm impedance meets the target frequency noise suppression requirements for the specific circuit application.

Part Context

This component belongs to the Bourns MH Series of high current chip ferrite beads. The series is characterized by its ability to handle significant DC currents while maintaining low DC resistance. The MH2029-400Y specifically targets applications requiring robust EMI suppression in power-sensitive environments.

Replacement Considerations

MG2029-400Y is listed as a direct substitute. Both components share similar specifications including 40 ohm impedance and 5A current rating. Verify pinout and mechanical dimensions match the existing design before substitution.