MMZ1005S102ETD25

Overview

The MMZ1005S102ETD25 is a single-line ferrite chip bead manufactured by TDK Corporation, designed for signal line noise suppression. It features an impedance of 1 kOhms measured at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 250 mA and has a maximum DC resistance of 1 Ohm. It is housed in a compact 0402 (1005 metric) surface-mount package with dimensions of 1 mm length, 0.5 mm width, and 0.5 mm height. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Feature Summary

• AEC-Q200 qualified for automotive electronic applications
• Compact 0402 surface-mount footprint for space-constrained designs
• Single-line configuration for signal path noise filtering

Applications

• Automotive electronics signal lines
• High-speed digital circuit noise suppression
• Portable device signal integrity management

Procurement Notes

Verify the specific suffix TD25 against official TDK documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the procurement order explicitly references the full part number MMZ1005S102ETD25 to distinguish it from other MMZ series variants with different current ratings or impedance values. Cross-reference the manufacturer's latest datasheet to confirm compliance with RoHS directives and availability status before finalizing purchase orders.

Selection Notes

Select this component when designing circuits requiring high impedance at 100 MHz for signal lines rather than power rails. The 250 mA current rating limits its use to low-current signal paths; higher current applications require alternative models such as the MPZ series. Verify that the 1 Ohm DC resistance meets the voltage drop requirements of the specific signal line being protected.

Part Context

This component belongs to the MMZ-E Auto series, which is specifically engineered for automotive-grade reliability. The MMZ1005S102ETD25 shares the standard 0402 mechanical outline with other parts in the broader MMZ family but is distinguished by its specific 1 kOhm impedance and AEC-Q200 certification. It serves as a specialized solution for electromagnetic interference suppression in automotive environments.

Replacement Considerations

Direct substitutes include other TDK ferrite beads with identical 0402 footprints and AEC-Q200 qualification, such as the MMZ1005S601ETD25 for lower impedance needs. Non-TDK equivalents must match the 1 kOhm @ 100 MHz impedance, 250 mA current rating, and physical dimensions to ensure compatibility.