MMZ2012S181ATD25

Overview

The TDK MMZ2012S181ATD25 is a ferrite bead chip component designed for signal line noise suppression. It features an 0805 (2012 metric) surface-mount package with dimensions of 2.00mm length and 1.25mm width. The device provides an impedance of 180 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 600mA and has a maximum DC resistance of 150 milliohms. The component operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Feature Summary

• Provides high-impedance noise attenuation for single signal lines in the 100 MHz frequency range.
• Engineered for automotive reliability with AEC-Q200 certification.
• Utilizes a compact 0805 surface-mount footprint for space-constrained PCB layouts.

Applications

• Noise suppression on high-speed digital signal lines
• Automotive electronic circuit protection
• Power supply filtering for sensitive ICs

Procurement Notes

Verify component status as this part is classified as Not Recommended for New Designs (NRND). Confirm availability of qualified substitutes before finalizing designs. Ensure sourcing channels provide original manufacturer documentation to validate authenticity and lot traceability.

Selection Notes

Select this component when a 0805 footprint is required with specific 180 Ohm impedance characteristics. Consider the 600mA current rating against circuit load requirements. Evaluate thermal performance within the specified operating temperature range for the target application environment.

Part Context

This component belongs to the TDK MMZ series, which specializes in ferrite beads for electromagnetic interference suppression. The MMZ series is widely utilized in consumer electronics and automotive systems for its consistent electrical performance and robust construction standards across various package sizes.

Replacement Considerations

The MMZ1608S181ATD25 is a documented substitute offering identical electrical specifications in a smaller 0603 package. Verify footprint compatibility and reflow soldering profiles when transitioning from the 0805 to the 0603 form factor.

FAQ

What is the test frequency for the impedance specification?

The impedance value of 180 Ohms is measured at a test frequency of 100 MHz.

Is this component suitable for automotive applications?

Yes, the MMZ2012S181ATD25 is qualified under the AEC-Q200 standard for passive components used in automotive environments.