MH2029-471Y

Overview

The MH2029-471Y 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 470 Ohms with a tolerance of ±25% at a test frequency of 100 MHz. The component supports a maximum DC current rating of 1 A and features a maximum DC resistance of 200 mOhms. It operates within a temperature range of -55°C to +125°C and has physical dimensions of 2.0 mm length, 1.2 mm width, and 0.9 mm height.

Feature Summary

• High current handling capability suitable for power line filtering
• Compact 0805 surface mount footprint for space-constrained designs
• Low DC resistance to minimize signal attenuation

Applications

• Power supply output filtering
• Data line noise suppression
• EMI/RFI mitigation in consumer electronics

Procurement Notes

Verify RoHS compliance status through official manufacturer documentation prior to integration. Confirm that the specific ordering suffix matches the required impedance and current ratings. Ensure the procurement source provides valid traceability data. Cross-reference the datasheet version to confirm no recent process changes affect performance specifications or material composition.

Selection Notes

Select this component when a 0805 ferrite bead requires a 1 A current rating with 470 Ohm impedance at 100 MHz. The low DCR of 200 mOhms makes it suitable for sensitive power rails where voltage drop must be minimized. The wide operating temperature range supports industrial and automotive environments requiring robust thermal stability.

Part Context

This part belongs to the Bourns MH series of high-current chip ferrite beads. The series offers various impedance values in standard SMD packages to address different EMI suppression needs. The MH2029-471Y specifically targets applications requiring higher current capacity than standard ferrite beads while maintaining a compact form factor.

Replacement Considerations

Direct substitutes include MU2029-471Y from Bourns Inc. The Taiyo Yuden BK2125HM471-T is listed as a discontinued alternative; verify compatibility carefully as its current rating differs.