MH2029-221Y

Overview

The MH2029-221Y is a high-current ferrite chip bead manufactured by Bourns, designed for electromagnetic interference (EMI) suppression in surface-mount applications. It features an impedance of 220 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 2 A and exhibits a maximum DC resistance of 100 mOhms. Housed in a standard 0805 (2012 metric) package measuring 2 mm x 1.2 mm x 0.9 mm, it operates within a temperature range of -55°C to +125°C.

Feature Summary

• High current handling capability rated at 2 A for power line stability
• Optimized EMI noise attenuation with 220 Ohm impedance at 100 MHz
• Low DC resistance of 100 mOhms to minimize signal loss
• Robust thermal performance suitable for environments up to 125°C

Applications

• Power supply input filtering
• Signal line noise suppression
• General EMI mitigation in compact electronics

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compliance with required packaging formats and tape-and-reel specifications. Confirm that the selected variant matches the intended impedance tolerance and current rating requirements for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when circuit designs require effective high-frequency noise filtering combined with significant DC current carrying capacity. The 0805 footprint provides a balance between size constraints and thermal dissipation capabilities. Ensure the application environment remains within the specified -55°C to +125°C operating range to maintain reliable performance characteristics.

Part Context

This part belongs to the MH series of high-current ferrite beads from Bourns Electronic Solutions. The series is engineered for surface-mount technology integration, offering standardized dimensions compatible with automated assembly processes. These components are widely utilized in consumer electronics and industrial equipment requiring robust passive filtering solutions.

Replacement Considerations

Consult the official Bourns datasheet for verified alternative part numbers within the MH series or other manufacturers' high-current ferrite bead lines. Ensure any substitute maintains identical impedance values, current ratings, and physical dimensions to guarantee mechanical and electrical compatibility.