KMZ1608RHR121ATD25

Chip Ferrite Bead Overview

The KMZ1608RHR121ATD25 is a single-line ferrite chip bead manufactured by TDK, designed for surface-mount assembly in the 0603 (1608 metric) package. It provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 500 mA and exhibits a maximum DC resistance of 180 mOhms. It operates within a temperature range of -55°C to +150°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Soft termination construction to enhance mechanical shock resistance
• AEC-Q200 qualified for automotive electronic applications
• High-temperature operation capability up to 150°C

Chip Ferrite Bead Applications

• Automotive signal line noise suppression
• EMI filtering in high-temperature environments
• Compact surface-mount circuit protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'HR' confirms soft termination features when sourcing. Ensure the 0603 footprint matches the target PCB design. Confirm AEC-Q200 compliance requirements against project specifications. Check RoHS status for environmental compliance needs. Validate the 180 mOhm DCR limit against power loss constraints.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring robust mechanical performance due to its soft termination structure. The 120 Ohm impedance at 100 MHz suits general signal line filtering. The 500 mA current rating must align with the circuit's operational limits. Consider the extended temperature range for harsh environment deployments.

Chip Ferrite Bead Part Context

This part belongs to the KMZ-HR series of ferrite beads from TDK. The series is characterized by soft termination technology, which reduces stress on electrodes during board flexing. It serves as a specialized variant within the broader ferrite bead portfolio, targeting automotive and industrial sectors demanding high reliability.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative ferrite beads based on impedance curves and physical dimensions if substitution is required.

Chip Ferrite Bead FAQ

What is the significance of the 'HR' designation in the model number?

The 'HR' indicates that the component features soft termination, providing enhanced resistance to mechanical shock and board flexing compared to standard terminations.

Is this component suitable for automotive applications?

Yes, the KMZ1608RHR121ATD25 is AEC-Q200 qualified, making it suitable for use in automotive electronic systems.