MFBM1V2012-221-R

Overview

The MFBM1V2012-221-R is a multilayer ferrite chip bead designed for EMI suppression in surface-mount applications. It exhibits an impedance of 220 Ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum current rating of 2.5 Amperes and features a maximum DC resistance of 80 milliohms. It operates within a temperature range of -40°C to +85°C and is housed in an 0805 package.

Feature Summary

• Multilayer ferrite construction for effective electromagnetic interference suppression
• High current handling capability suitable for power line filtering
• Surface-mount design optimized for automated PCB assembly processes

Applications

• EMI suppression on high-current signal lines
• Power supply input/output filtering
• Digital circuit noise attenuation

Procurement Notes

Verify the specific suffix and impedance value against the official Eaton Electronics datasheet to ensure compatibility with the target circuit requirements. Confirm that the 2.5A current rating meets the operational load conditions. Check RoHS compliance status if required by the manufacturing environment. Ensure the 0805 footprint matches the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a compact solution is needed for suppressing high-frequency noise on lines carrying up to 2.5 Amperes. The 220 Ohm impedance at 100 MHz provides targeted attenuation for common EMI frequencies. Consider the low DC resistance to minimize voltage drop and power loss in the circuit path compared to higher resistance alternatives.

Part Context

This part belongs to the MFBM1V series of multilayer ferrite beads from Eaton Electronics. These components are engineered for robust EMI suppression in space-constrained electronic designs. The series offers various impedance values and current ratings to suit different filtering needs while maintaining a consistent small form factor for widespread SMT integration.

Replacement Considerations

Cross-reference with other 0805 ferrite beads offering similar 220 Ohm impedance and 2.5A current ratings. Verify that any substitute maintains the same thermal characteristics and mounting dimensions to ensure seamless replacement without redesigning the PCB footprint or thermal management strategy.