ACH3218-220-TD01

Overview

The ACH3218-220-TD01 is a third-order LC (T-type) EMI filter manufactured by TDK Corporation. Designed for surface-mount applications, it features a 1207 package and supports a current rating of 1.5 A. The component operates within a minimum temperature range of -25°C and provides a cutoff frequency of 650 MHz. It utilizes a capacitance value of 22 pF to achieve effective low-pass filtering characteristics in general-purpose circuits.

Feature Summary

• Third-order LC T-type circuit topology for enhanced attenuation
• Surface-mount design suitable for automated assembly
• Optimized for use with stable ground connections

Applications

• General-purpose electronic equipment
• Low-pass filtering in high-current circuits
• EMI suppression in data processing systems

Procurement Notes

Verify the specific datasheet version and environmental certifications such as RoHS and REACH compliance before procurement. Confirm that the 1207 package dimensions and termination style match your PCB layout requirements. Ensure the operating temperature range meets your system's thermal specifications.

Selection Notes

Select this component when a third-order attenuation profile is required for EMI reduction. It is suitable for circuits where a stable ground reference is available to maximize performance. Consider the 1.5 A current rating and 650 MHz cutoff frequency against your signal integrity needs.

Part Context

This part belongs to the ACH3218 series of three-terminal filters from TDK. These components are engineered for EMC applications, offering superior noise suppression compared to standard two-terminal filters when integrated into circuits with proper grounding schemes.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation.