MMZ1005D121CTD25

Overview

The MMZ1005D121CTD25 is a single-line ferrite chip bead from the MMZ Auto series, manufactured by TDK. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.0 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 350 mA and has a maximum DC resistance of 600 mOhms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive applications.

Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Designed for high-speed signal line filtering
• Compact 0402 surface-mount form factor

Applications

• Automotive electronic circuits
• High-speed signal line noise suppression
• EMI suppression in compact devices

Procurement Notes

Verify the specific suffix 'CTD25' against official TDK documentation to confirm packaging details and tape-and-reel specifications. Ensure the selected variant matches the required current rating and impedance tolerance for the target circuit design. Cross-reference the datasheet for any recent product change notices affecting this part number.

Selection Notes

Select this component when space-constrained designs require a 0402 footprint with specific 120 Ohm attenuation characteristics. Consider the 350 mA current limit and 600 mOhm DCR for power integrity analysis. Verify that the AEC-Q200 certification aligns with automotive system requirements compared to commercial-grade alternatives.

Part Context

This part belongs to the MMZ Auto series, which is TDK's line of ferrite beads specifically engineered for automotive electronics. The series emphasizes reliability under harsh environmental conditions and compliance with strict automotive quality standards, distinguishing it from general-purpose industrial components.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.