MMZ2012S400AT000

Overview

The MMZ2012S400AT000 is a ferrite bead from the MMZ series, manufactured by TDK Corporation. It features a 0805 (2012 Metric) surface-mount package with an impedance of 40 ohms at 100 MHz. The component supports a maximum current rating of 1 A and exhibits a low DC resistance of 0.1 ohms with a tolerance of ±25%. Designed for single-line signal filtering, it effectively suppresses high-frequency noise in electronic circuits while maintaining signal integrity.

Feature Summary

• Provides effective suppression of high-frequency electromagnetic interference in single-line applications
• Utilizes a compact 0805 surface-mount footprint for space-constrained designs
• Maintains low DC resistance to minimize signal loss during operation

Applications

• High-speed data line filtering
• Power supply noise suppression
• Signal integrity enhancement in digital circuits

Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status as required by project specifications. Check for obsolescence notices since this part may be discontinued. Ensure substitute parts meet electrical requirements if availability is limited. Validate packaging details against manufacturing standards.

Selection Notes

Select based on impedance characteristics at target frequencies. Consider current handling capabilities for power lines. Evaluate package size constraints for PCB layout. Compare DC resistance values for signal loss tolerance. Assess thermal performance under operating conditions.

Part Context

This ferrite bead belongs to TDK's MMZ series, designed for general-purpose noise suppression. The 0805 package offers a balance between performance and board space efficiency. It serves as a passive component in EMI/RFI mitigation strategies across various consumer and industrial electronics.

Replacement Considerations

MMZ1608S400ATA00 is listed as a recommended substitute by the manufacturer.